HA16108P Renesas Electronics Corporation., HA16108P Datasheet
HA16108P
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HA16108P Summary of contents
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Cautions Keep safety first in your circuit designs! 1. Renesas Technology Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may ...
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... HA16107P/FP, HA16108P/FP PWM Switching Regulator for High-performance Voltage Mode Control Description The IC products in this series are primary control switching regulator control IC’s appropriate for obtaining stabilized DC voltages from commercial AC power. These IC’s can directly drive power MOS FET’s, they have a timer function built in to the secondary overcurrent protection, and they can perform intermittent operation or delayed latched shutdown as protection operations in unusual conditions ...
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... HA16107P/FP, HA16108P/FP Features • Operating frequencies high 600 kHz • Built-in pre-driver circuit for driving power MOS FET • Built-in timer latch over-current protection function (HA16107) • The OCL enables intermittent operation by an ON/OFF timer for prevention of secondary overcurrent. (HA16108) • The UVL function (under voltage lockout) is applied to both Vin and Vref. ...
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... V IN OUT CL(+) V E CL(− Notes the SOP package models (HA16107FP and HA16108FP) pins 4, 5, and 13 are connected inside the IC. However, all must be connected to the system ground. 2. Pin (HA16107), ON/OFF (HA16108). Pin Functions • HA16107P, HA16108P Pin No. Symbol OUT 3 CL (+) (– ...
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... HA16107P/FP, HA16108P/FP • HA16107FP, HA16108FP Pin No. Symbol OUT 3 CL (+) 4 GND 5 GND Vref (+) 12 GND 13 GND 14 IN (–) 15 E/O 16 TL, ON/OFF Rev.3, Jul. 2002, page Pin Functions Input voltage Pulse output Current limiter Ground Ground Timing resistor (rising time) Timing capacitor Timing resistor (falling time) ...
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... QCLM OUT OUT IN • HA16108P/FP ON/OFF 16 140 µA 16 µA 4 µ − PWM Comparator QCLM OUT OUT IN Note: Dotted lines apply to the SOP package model (pins 4, 5, and 13: ground) HA16107P/FP, HA16108P/FP E/O IN (−) NC GND − EA Error amp UVL1 6. zener type L UVL2 Ref ...
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... HA16107P/FP, HA16108P/FP Function and Timing Chart Triangle Waveform and PWM Output • Timing chart (during normal operation E RT2 OUT • Oscillator equivalent circuit × × × The 2s are transistors whose emitter area is doubled. Vref − Vref − Note: When f is high, the actual value will differ from that given by the formula due to the delay time. ...
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... R , the maximum ON-duty is 50%, and ≈ 0.25 µ × 0.25 µ OSC 0 0.75 µ 0 This approximation is fairly close, but it should be checked in-circuit. HA16107P/FP, HA16108P/FP that is bounded above by the triangle wave − REF 0.25 µ 1 (Hz 0.25 µ T2 (Hz) . PWM ON and error output V ...
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... HA16107P/FP, HA16108P/FP 3. Programming of Maximum ON-Duty (Du Max) The preceding equations should be used to program the deadband or maximum ON-duty. The following table gives a summary. Condition R > Triangle waveform Du max Less than 50% Note primary-control switching regulator, Du Max > 50% is dangerous because the transformer will saturate. Soft Start and Quick Shutdown One purpose of the soft-start function is to protect the switching controller and power MOS FET from surges at power-up ...
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... Vref 2 OUT (PWM pulse Vref Note: The soft-start time constant is determined by HA16107P/FP, HA16108P/FP Level determined by transformer V IN Vref Soft start Vref + Zener + diode 3.8 V − 10 µA E/O 15 and the constant-current value (typically 10 µA discharge E/O Quick shutdown ...
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... HA16107P/FP, HA16108P/FP Vref Protection Functions: Overvoltage and Undervoltage Vref overvoltage and undervoltage conditions are detected by the overvoltage detection circuit and UVL2 circuit. PWM output shuts down when Vref ≥ UVL2 detects undervoltage with hysteresis between approximately 4 V and 5 V. PWM output also shuts down below these voltages. It follows that PWM ...
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... UVL1 (V and Vref Vref • UVL2 (Vref and PWM output) Vref OUT PWM output shut-down region • UVL1 and UVL2 V (UVL1) IN Vref (UVL2) PWM OUT Standby mode Note: Double circles indicate standby mode. HA16107P/FP, HA16108P Operating region OUT IN Notes: 1 ...
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... HA16107P/FP, HA16108P/FP Timer Latch and ON/OFF Timer The HA16107 has a built-in timer-latch function. The HA16108 has a built-in ON/OFF timer function. The timer-latch function is an overvoltage protection function that combines latched shutdown of PWM output with a timer function to vary the time until latched shutdown occurs according to the overcurrent value ...
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... If the timer goes off during soft start or in the undervoltage lockout region, after recovery, output will come on after the soft-start time or after the rise time to the undervoltage lockout release point, which is determined by the time constant. HA16107P/FP, HA16108P/FP 16 µA from CML ION ...
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... HA16107P/FP, HA16108P/FP Absolute Maximum Ratings (Ta = 25°C) Item Supply voltage Output current (DC) Output current (peak) Current limiter voltage Error amp input voltage E/O output voltage R pin current T1 R pin current T2 Power dissipation Operating temperature range Storage temperature range Notes: 1. For the “FP” products (SOP package), this value is when mounted 1.6 mm glass epoxy substrate. However, this value must be derated by 8.3 mW/° ...
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... Differential threshold ∆V Deadband width initial accuracy Deadband width voltage stability Deadband width temperature stability Error amp Input offset voltage Input bias current Input sink current Output source current Iosource 80 HA16107P/FP, HA16108P/FP Symbol Min Typ Max Unit Vref 6.10 6.45 6.80 V Line — ...
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... Threshold differential voltage Under Vref high level thre- voltage shold voltage lockout 2 Vref low level thre- shold voltage Notes: 1. Only applies to the HA16107P, HA16108P 2. The terminal should not be applied under –1.0 V. Rev.3, Jul. 2002, page Symbol Min Typ Max V Vref – — ...
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... Rising time Falling time Total Standby current Operation current Operation current ON/OFF latch current V – GND Zener IN voltage Notes: 1. Only applies to the HA16108P/FP. 2. Timer latch: HA16107P/FP. ON/OFF timer: HA16108P/FP. HA16107P/FP, HA16108P/FP Symbol Min Typ Max V 6.5 7.0 7.5 THH V 6 ...
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... HA16107P/FP, HA16108P/FP Note on Standby Current In the test circuit shown in figure 1, the operating current at the start of PWM pulse output is the standby current. If the resistance connected externally to the Vref pin (including R the apparent standby current will increase. Rev.3, Jul. 2002, page ↑ V Ist ...
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... If the IC power supply consists of an activation resistance and backup coil AC/DC converter, The rise speed is usually around 1 V/100 µs, and there is no risk of this phenomenon occurring Input V IN Figure 2 Example of Circuit with Fast V Input Time constant µF C HA16107P/FP, HA16108P/ HA16107 Series GND R 51Ω circuit V IN HA16107 Series GND Figure 3 Sample Remedial Circuit rises quickly (10 V/100 µ ...
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... HA16107P/FP, HA16108P/FP Characteristic Curves 25° OSC 2 25° 1.5 f OSC 1.0 0.5 0 Rev.3, Jul. 2002, page Operating Current vs. Power Supply Voltage = kΩ 470 pF = 100 kHz 10 20 Power supply voltage (V) Latch Current vs. Power Supply Voltage = kΩ T2 =470 pF = 100 kHz 10 20 Power supply voltage (V) ...
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... Standby Current vs. Power Supply Voltage 400 Ta = 25°C Ω =470 pF T 300 f = 100 kHz OSC 200 100 Power supply voltage (V) Output 25° 470 Vref UVL Voltage Reference voltage (V) HA16107P/FP, HA16108P/ vs. Reference Voltage Vref OVP Voltage 6 8 Rev.3, Jul. 2002, page ...
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... HA16107P/FP, HA16108P/ 25° =470 100 kHz OSC 400 Ta = 25° =470 100 kHz OSC 300 200 100 0 Rev.3, Jul. 2002, page Reference Voltage vs. Power Supply Voltage = 27 kΩ 10 Power supply voltage (V) Output OFF Time vs kΩ T2 0.2 0 100 unloaded L 0.4 ...
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... Output ON Duty vs. Error Input Voltage Error input voltage (V) HA16107P/FP, HA16108P/ 25° =470 100 kHz OSC Rev.3, Jul. 2002, page kΩ 5 ...
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... HA16107P/FP, HA16108P/ Rev.3, Jul. 2002, page Reference Voltage and PWM Out vs. C 0.1 0.2 0.3 0.1 0.2 0.3 C (+) L Reference Voltage and PWM Out vs. C −0.1 −0.2 −0.3 −0.1 −0.2 −0.3 C (−) L (+) L 0.4 3.0 0.4 3.0 (−) L −0.4 −1.0 −0.4 ...
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... Timing Resistance vs. Deadband Duty 18V 25° 470 pF T ≈ 100 kHz f OSC Deadband duty (%) Temperature Fluctuation vs. Ambient Temperature 2000 1000 0 −1000 −2000 −20 0 HA16107P/FP, HA16108P/ 18V kΩ 470 100 kHz OSC 25 50 Ambient temperature (°C) Rev.3, Jul. 2002, page ...
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... HA16107P/FP, HA16108P/ OSC 0 −5 −10 − OSC 0 −5 −10 −20 Rev.3, Jul. 2002, page Frequency Variance vs. Ambient Temperature 18V = R 27 kΩ T2 470 pF 100 kHz 0 25 Ambient temperature (°C) Frequency Variance vs. Ambient Temperature 18V = R 27 kΩ T2 120 kHz 0 25 Ambient temperature (°C) ...
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... Frequency Variance vs. Ambient Temperature 18V kΩ 120 600 kHz OSC 0 −5 −10 −20 0 Output ON Duty Variance vs. Ambient Temperature 18V −5 −10 −20 0 HA16107P/FP, HA16108P/ Ambient temperature (° Ambient temperature (° 100 kHz = f 300 kHz = f 600 kHz 75 85 Rev.3, Jul. 2002, page ...
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... HA16107P/FP, HA16108P/FP 600 500 300 100 Rev.3, Jul. 2002, page Oscillator Frequency vs. Timing Resistance Timing resistance 25° 100 ) (kΩ) T2 ...
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... Vout Output Rising Waveform 500 0 −500 Vout Output Falling Waveform 500 0 −500 HA16107P/FP, HA16108P/FP Test circuit V Current probe 1000 pF 27 kΩ 470 pF * Current probe: Tektronix AM503 200 ns/div 200 ns/div Rev.3, Jul. 2002, page 25° kΩ 470 100 kHz IN OSC µF ...
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... HA16107P/FP, HA16108P/FP Operating waveform at the TL pin When overcurrent is input at the point where the duty cycle is 0 OFF Output pulse shutdown region OFF When overcurrent is input at the point where the duty cycle is 30 Output pulse shutdown region OFF Rev.3, Jul. 2002, page ...
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... Output pulse shutdown region OFF When overcurrent is input at the point where the duty cycle is 30 OFF Output pulse shutdown region OFF HA16107P/FP, HA16108P/FP Test circuit C L 1000 pF 27 k½ Triangle wave CL(+) when input at a 0.5 sec/div duty CL(+) when OFF ON OFF input at a duty of 30% V ...
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... HA16107P/FP, HA16108P/FP Error Amplifier Characteristic Examples of Drooping Characteristics of Power Supplies Using these ICs 5.0 Normal operation Latch state here 2.5 OFF 0 5.0 2.5 0 HA16108 (Intermittent operation by means of ON/OFF timer) Rev.3, Jul. 2002, page φ 100 k 300 Input signal frequency f (Hz (DC) (A) ...
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... Sense 51 Ω V L.P.F. E 4700 pF CL(−) 27 kΩ 470 pF C fosc = 100 kHz, T Dumax = 50 Frequency, 27 kΩ Max, Duty Setting HA16107P/FP, HA16108P/FP El-30 140 V Trans former 40T 2SK1567 51 Ω 1.5 Ω 23T 3 W Current Sense + µF HA16107P/FP Schottky barrier diode HRP 470 µ ...
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... HA16107P/FP, HA16108P/FP • Forward Transformer Application Example Rev.3, Jul. 2002, page ...
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... When OVP signal is inserted at CL(+) pin When the OVP detection Zener diode turns on, latch shutdown of the output is performed after the elapse of the time determined by the capacitance connected the TL pin. HA16107P/FP, HA16108P/ OVP detector V IN OUT CL(+) µF Rev.3, Jul. 2002, page ...
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... HA16107P/FP, HA16108P/FP Application 1. Use of Error Amplifier for Flyback Transformer Primary-Side Control In this example, the fact that the transformer winding ratio and voltage ratio in Figure 1.1 are mutually proportional is made use flyback transformer type AC-DC converter. As fluctuation of output voltage V also appears in IC power supply voltage V 2 error amplifier ...
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... In the above IC models, which incorporate a current detection function, a low-pass filter such as shown in Figure 2.1 must be inserted between switch element current detection resistance R detection pin of the IC. Input voltage Floating capacitance To current detection pin HA16107P/FP, HA16108P/FP , thus preventing hunting (a system instability AC should be set to a value that is substantially smaller than f 2 140V ...
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... HA16107P/FP, HA16108P/FP The reason for this is that, when the switch element each cycle, there is an impulse current associated with charging of transformer floating capacitance C Figure 2.2). Figure 2.2 Current Detection Waveform <Setting Numeric Values> If the switch element current to be detected is designated I the following equation is satisfied using the parameters in Figure 2.1. ...
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... There are the following three purposes in connecting a gate resistance, and the circuit is generally of the kind shown in Figure 4.1. (1) To suppress peak current due to gate charging (2) To protect IC output pins (3) To provide drive appropriate to power MOS FET input characteristics HA16107P/FP, HA16108P/ transformer Power ...
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... HA16107P/FP, HA16108P/FP This gate resistance R is given by the following equation. G × – (V )/Qg Gate input peak current Gate drive voltage wave high value (equal to power supply voltage of IC Power MOS FET turn-on time Power MOS FET turn-off time OFF Qg : Gate charge according to Figure 4.2 Figure 4 ...
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... Max 2.54 ± 0.25 10.5 Max 16 1 0.80 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 *Dimension including the plating thickness Base material dimension HA16107P/FP, HA16108P/FP 19.20 20.00 Max 9 8 1.3 0.48 ± 0.10 Hitachi Code JEDEC JEITA Mass (reference value) 10 ...
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... HA16107P/FP, HA16108P/FP Disclaimer 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document ...