IR3513ZMTRPBF International Rectifier, IR3513ZMTRPBF Datasheet
IR3513ZMTRPBF
Specifications of IR3513ZMTRPBF
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IR3513ZMTRPBF Summary of contents
Page 1
... Small thermally enhanced 32L 5 x 5mm MLPQ package APPLICATION CIRCUIT VIN (8-16V) POWER STAGE VIN VOUT+ COUT VOUT- ENABLE PG MARGIN VOUT REMOTE SENSE - VOUT REMOTE SENSE + Page 1 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF Optional FUSE ROVP1 RVCCLFB1 RVCCLFB2 SCR CVCCL RVCCLDRV ROVP2 CVCC CIN 1 24 ...
Page 2
... An external capacitor to LGND programs converter startup and over current protection delay timing also used to compensate the constant output current loop during soft start. Page 2 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF Package 32 Lead MLPQ ( body) 32 Lead MLPQ body) PIN DESCRIPTION ...
Page 3
... VCC Power Input for under voltage lockout (UVLO) detection and supply for internal IC circuits Return for high-side driver and reference for GATEL non-overlap comparator. Page 3 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 4
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied. ...
Page 5
... Hysteresis Bias Current 0V ≤ V(ENABLE) ≤ 3.3V Blanking Time Noise Pulse < 100ns will not register an ENABLE state change. Note 1 Page 5 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF TEST CONDITION =50.0 KΩ OSC =24.5 KΩ OSC =7.75 KΩ OSC IR3513 ...
Page 6
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF PARAMETER Over-Current Comparator Input Offset Voltage 1V ≤ V(OCSET) ≤ 3.3V OCSET Bias Current Over-Current Delay Counter ROSC = 7.75 KΩ (PHSOUT=1.5MHz) Over-Current Delay Counter ROSC = 15.0 KΩ (PHSOUT=800kHZ) Over-Current Delay Counter ROSC = 50.0 KΩ (PHSOUT=250kHz) ...
Page 7
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF PARAMETER Soft Start and Delay Start Delay Soft Start Time PG Delay OC Delay Time V(IIN) – V(OCSET) = 500 mV SS/DEL to FB Input Offset With FB = 0V, adjust V(SS/DEL) until Voltage EAOUT drives high Charge Current ...
Page 8
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF PARAMETER Open Sense Line Detection Sense Line Detection Active Comparator Threshold Voltage Sense Line Detection Active V(VOUT) < [V(VOSEN+) – V(LGND Comparator Offset Voltage VOSEN+ Open Sense Line Compare to V(VCCL) Comparator Threshold VOSEN- Open Sense Line ...
Page 9
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF PARAMETER PWM Comparator PWM Ramp Slope Input Offset Voltage Note 1 Minimum Pulse Width Note 1 Minimum GATEH Turn-off Time Current Sense Amplifier CSIN+/- Bias Current CSIN+/- Bias Current Note 1 Mismatch Input Offset Voltage CSIN+ = CSIN- = VREF ...
Page 10
... REPLACEMENT PRODUCT – IR3513ZMTRPBF PARAMETER Synchronous Rectification Disable Comparator Threshold Voltage Negative Current Comparator Input Offset Voltage Propagation Delay Time Bootstrap Diode Forward Voltage Debug Comparator Threshold Voltage PG Output Output Voltage Leakage Current VCC PG Activation Threshold Output Under Voltage Comparator Threshold Voltage Falling ...
Page 11
... REPLACEMENT PRODUCT – IR3513ZMTRPBF SYSTEM SET POINT TEST IR3513 VREF BUFFER AMPLIFIER + ISOURCE INTERNAL VREF ISINK - CURRENT IROSC SOURCE GENERATOR Page 11 NOT RECOMMENDED FOR NEW DESIGNS ERROR AMPLIFIER + - IOCSET- IOCSET IROSC ROSC BUFFER AMPLIFIER 0. REMOTE SENSE AMPLIFIER 50K 50K + - 50K 50K ...
Page 12
... For single-phase operation, PHSOUT (pin 26) and PHSIN (pin 27) must be shorted together to prevent an Open Control Loop fault from occurring. Page 12 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF TM architecture is shown in Figure 3. Feed-forward voltage mode control with CLK ...
Page 13
... An additional advantage of the architecture is that differences in ground or input voltage at the phases have no effect on operation since the PWM ramps are referenced to VREF. Figure 5 depicts PWM operating waveforms under various conditions. Page 13 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF Figure 4 - Five Phase Oscillator Waveforms pulse. IR3513 May 11, 2008 ...
Page 14
... R was used. The mismatch of the time constants does not affect the measurement of L inductor DC current, but affects the AC component of the inductor current. Page 14 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF Figure 5 - PWM Operating Waveforms − ...
Page 15
... The current share amplifier is internally compensated so that the crossover frequency of the current share loop is much slower than that of the voltage loop and the two loops do not interact. Page 15 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF ...
Page 16
... OVP VCCL COMPARATOR - 0. DEBUG OFF (LOW=OPEN) SHARE ADJUST AMPLIFIER CALIBRATION Page 16 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF DISABLE OC after VRRDY VCCL UVLO VR READY VCC UVLO LATCH OC before VRRDY + IROSC - RESET OC DELAY PHSOUT DOMINANT COUNTER R OC RESET ...
Page 17
... SS/DEL, pull down EAOUT voltage and drive PG low. However, the latches can only be reset by cycling VCCL power. If SS/DEL pin is pulled below 0.7V, the converter can be disabled. Page 17 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 18
... If an over-current condition is again encountered during the soft start cycle, the over-current action will repeat and the converter will be in hiccup mode. Page 18 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF SOFT START PG DELAY TIME TIME Figure 8 - Start-up sequence ...
Page 19
... Figure 10 shows the stability plots for the linear regulator with 5 phases switching at 750 kHz. Figure 10 - VCCL regulator stability with 5 phases and PHSOUT equals 750 kHz Page 19 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF HICCUP OVER-CURRENT NORMAL OCP PROTECTION (OUTPUT ...
Page 20
... An external MOSFET or comparator should be used to disable the silver box, activate a crowbar, or turn off the supply source. The 1.8V threshold is used to prevent false over-voltage triggering caused by pre-charging of output capacitors. Page 20 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 21
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF OVP OVSNS THRESHOLD VREF + 85mV VCCL-800 mV IIN (ISHARE) GATEH GATEL FAULT LATCH ERROR AMPLIFIER VREF OUTPUT (EAOUT) NORMAL OPERATION Figure 11 Over-voltage protection during normal operation 12V VCC VCCL+0.7V VCCL+0.7V VCCLDRV 1.8V OVSN ...
Page 22
... OUTPUT VOLTAGE (VOSEN+) 1.73V VCCL UVLO ROSC/OVP 1.6V Figure 13 - Over-voltage protection with pre-charging converter output Vo > 1.73V Figure 14 - Over-voltage protection with pre-charging converter output VREF + 0.13V <Vo < 1.73V Page 22 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 23
... The IR3513 compares the FB pin to a voltage, V, equal to 0.897×Vref. If the FB pin is 50mV (typical) below the aforementioned V, the output voltage under-voltage monitor will trigger, pulling the PG pin low. The output voltage under-voltage monitor does not effect switching of the phases or soft start. Page 23 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 24
... OV clears SS/DEL Discharge Flags PGood Delay PHSOUT Clock Pulses Pulses Page 24 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF Fault Type Over Disable Voltage Line Resume Normal Operation when Condition Clears Yes Yes Yes Yes No No 250 ns Blank ...
Page 25
... APPLICATIONS INFORMATION Figure 15 - Scalable Master (IR3513) & Slave (IR3505) POL modules with programmable output voltage and Page 25 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF redundant OVP sense IR3513 May 11, 2008 ...
Page 26
... VR ready. These parameters can be calculated with the following equations ssdelay delay = delay Page 26 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 Frequency vs. ROSC Resistor 500 600 700 800 900 1000 1100 1200 1300 Frequency (KHz DEL SS / DEL − ...
Page 27
... The Feedback pin (FB) is connected to an external resistor divider to set the output voltage. The error amplifier has a 0.8 V reference (Typical) and the output voltage is determined by selecting resistor divider values (See Figure 1 Vout Page 27 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF are the inductor DCR value at maximum temperature (T − ∗ + ∗ − 3850 * ...
Page 28
... ISHARE. Measure the inductance L and the inductor DC resistance R follows Page 28 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF and R VCCLFB2 from (11). VCCLFB2 VCCLFB 1 − VCCL ...
Page 29
... Ccp ⋅ K Rfb Rcp ⋅ Ccp Cfb ⋅ Rfb Ccp 1 ⋅ Rcp Page 29 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF OV2 is calculated based on (16). R OV1. OV2 * − VOVSNS and Resistor R VREF VREF − 132 * 10 = SINK SR MARGIN MARGIN − ∗ ...
Page 30
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF 1 = Rfb 2 ⋅ Cfb where θ − 1 sin ⋅ θ sin θ sin ⋅ θ − 1 sin ⋅ ⋅ + ⋅ )(( = Gpwm where Gpwm is the gain of the PWM generator the gain of the feedback filter and + ⋅ ...
Page 31
... NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF Rf b2 Vout Figure 17 Voltage Loop Compensation Network Page 31 Ccp1 Cf b Ccp Rcp EAout - Vref IR3513 May 11, 2008 ...
Page 32
... Place the input ceramic capacitors close to the drain of top MOSFET and the source of bottom MOSFET. • Page 32 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF and C ) close to IC. Use Kelvin connection for the CS CS • ...
Page 33
... No PCB traces should be routed nor vias placed under any of the 4 corners of the IC package. Doing so can cause the IC to rise up from the PCB resulting in poor solder joints to the IC leads. Page 33 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 34
... The four vias in the land pad should be tented or plugged from bottom board side with solder resist. Page 34 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 35
... The maximum length and width of the land pad stencil aperture should be equal to the solder resist opening minus an annular 0.2mm pull back to decrease the incidence of shorting the center land to the lead lands when the part is pushed into the solder paste. Page 35 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF IR3513 May 11, 2008 ...
Page 36
... IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 www.irf.com Page 36 NOT RECOMMENDED FOR NEW DESIGNS REPLACEMENT PRODUCT – IR3513ZMTRPBF = 22.4 JA Data and specifications subject to change without notice. This product has been designed and qualified for the Consumer market. ...