an8013sh Panasonic Corporation of North America, an8013sh Datasheet
an8013sh
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an8013sh Summary of contents
Page 1
... It features a wide operating supply voltage range, low power, and a built-in overcurrent protection circuit to protect the switching transistor from damage or destruction. The AN8013SH is provided in a 0.5 mm pitch 10-pin surface mounting package and is optimal for use in miniature high-efficiency portable power supplies. Features Wide operating supply voltage range (3 ...
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... AN8013SH Block Diagram 0 REF 6 FB Error amp. 7 S.C.P. comp. IN 0.75 V Absolute Maximum Ratings at T Parameter Supply voltage CLM pin allowable application voltage Error amplifier allowable input voltage DTC pin allowable input voltage Out pin allowable application voltage Collector output current Power dissipation (Ta = 85°C) ...
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... C 120 pF OUT(max 200 kHz, dV OUT V 3 200 kHz, dT1 OUT 200 kHz, dT2 OUT AN8013SH Min Typ Max Unit 2.8 3.1 3.4 V 100 200 300 mV 0.72 0.75 0. 500 25 nA 2 ...
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... AN8013SH Electrical Characteristics at T Parameter Short-circuit protection circuit block Input threshold voltage Input standby voltage Input latch voltage Charge current Comparator threshold voltage Overcurrent Protection Block Input threshold voltage Delay time Whole device Total consumption current 1 Total consumption current 2 Note pF, unless otherwise specified ...
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... the current will be about [ determined by the DTC , and sample-to-sample and the current will be about [A] R 3.6 T AN8013SH Internal equivalent circuit V REF I CHG Latch S Q U.V.L.O. 0. REF PWM I DTC CT U.V.L. REF ...
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... AN8013SH Terminal Equivalent Circuits (continued) Pin No. Pin I/O 9 Out O Open-collector (darlington) output The absolute maximum rating for the output current is 100 mA. Use with a constant output current under 50 mA Power supply connection CC Provide the operating supply voltage in the range 3 Application Notes ...
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... Timing resistance Total consumption current line regulation 4 3.5 3.0 2.5 2 Timing resistance 0. 0.84 0.83 0.82 0.81 0. AN8013SH 5 Supply voltage Output saturation voltage ...
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... AN8013SH Application Notes [2] Function descriptions 1. Reference voltage block The reference voltage block is based on a band gap circuit, and outputs a temperature corrected reference voltage of 2.5 V. This reference voltage is stabilized once the supply voltage exceeds 3.6 V, and is used as the power supply for the IC itself. ...
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... The AN8013SH detects the current by connecting a resistor with a low resistance between the main switching device and the V pin and monitoring the voltage drop across this resistor at the CLM pin (pin 1). When the main ...
Page 10
... It is possible to use the circuit in the recommended operating range of 20 kHz to 500 kHz of the oscillator frequency. As the AN8013SH is used at increasingly higher frequencies, the amount of overshoot and undershoot due to the operation delay in the triangular wave oscillator comparator increases, and discrepancies between the values calculated as described previously and the actual values may occur. See the timing capacitance - oscillator frequency relationship in the " ...
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... OSC V CTH V CTL 1 [V] 3.6 Figure 4. Setting the dead-time and the capacitor C in parallel implements a soft start function that causes DTC DTC with the reference voltage of 1.90 V all the time. FB AN8013SH [A] DTC R 3.6 T PWM DTC 200 kHz ( 150 pF) 1 ...
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... AN8013SH Application Notes (continued) [5] Setting the time constant of the timer latch short-circuit protection circuit (continued the constant current determined by the oscillation timing resistor R CHG temperature are small expressed in the following equation : CHO [A] CHG about 0.5 V and I becomes about 1 ...
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... DT Error amplifier output (FB) Triangular wave(CT) Output transistor collector waveform (Out) S.C.P. pin voltage Short-circuit protection comparator output Figure 7. Short-circuit protection operation waveform ( DTC pin voltage Soft start operation Maximum duty t AN8013SH 3.6 V 2.5 V 1.90 V 1.40 V 0.40 V 0.03 V High Low 2.5 V 1.90 V 1.40 V 0.40 V High Low 0.75 V 0.03 V ...
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... AN8013SH Application Circuit Examples 1. Step-down circuit Step-up circuit SBD 11 k 100 k 0.001 F 150 pF 0.01 F 0.033 F SBD 150 100 k 0.001 F 150 pF 0.01 F 0.033 F Voltage Regulators Out 200 kHz Du 80% max R 110 k DTC 110 k Out 200 kHz ...
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... V (pin 10) rise time is at least SBD I CC C10 Q3 SBD I CC C10 rise time may become excessively steep and the IC internal latch circuit CC AN8013SH V O Standby current Standby current 0 A pin (pin 10) as shown in on/off circuit CC 15 ...