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CS51033GD8 数据表(PDF) 4 Page - ON Semiconductor |
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CS51033GD8 数据表(HTML) 4 Page - ON Semiconductor |
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4 / 10 page ![]() CS51033 http://onsemi.com 4 PACKAGE PIN DESCRIPTION Pin Number Pin Symbol Function 1 VGATE Driver pin to gate of external P−Ch FET. 2 PGND Output power stage ground connection. 3 COSC Oscillator frequency programming capacitor. 4 GND Logic ground. 5 VFB Feedback voltage input. 6 VCC Logic supply voltage. 7 CS Soft−Start and fault timing capacitor. 8 VC Driver supply voltage. RG VC VGATE PGND Q Q R S F2 VGATE Flip−Flop G2 + − VFB Comparator A6 VFB 1.25 V G1 0.7 V Hold Off Comp Fault Comp 1.15 V A4 CS Charge Sense Comparator Q Q R S F1 Slow Discharge Flip−Flop GND G4 G5 − + A3 Slow Discharge Comparator 2.3 V 2.4 V + − A2 CS Comparator 2.5 V 1.5 V IT 55 IT 5 IT CS G3 COSC 2.5 V 1.5 V A1 VCC Oscillator Comparator VCC VCC IC 7IC Figure 2. Block Diagram |
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