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SC4524BEVB Datasheet(PDF) 6 Page - Semtech Corporation |
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SC4524BEVB Datasheet(HTML) 6 Page - Semtech Corporation |
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6 / 18 page  SC4524B 6 Block Diagram IN 2 ROSC 3 TRANSISTOR R Q S POWER SLOPE COMP + - ISEN ILIM + - 20mV 6.1mW + + S BST REFERENCE & THERMAL SHUTDOWN 1V FAULT SOFT-START AND OVERLOAD HICCUP CONTROL 1.9V R 8 SW 1 FB 7 SS/EN 5 COMP 6 OSCILLATOR CLK EA PWM + - + 1.23V - FREQUENCY FOLDBACK GND 4 + + - R OC A1 V1 IN 2 ROSC 3 TRANSISTOR R Q S POWER SLOPE COMP + - ISEN ILIM + - 20mV 6.1mW + + S BST REFERENCE & THERMAL SHUTDOWN 1V FAULT SOFT-START AND OVERLOAD HICCUP CONTROL 1.9V R 8 SW 1 FB 7 SS/EN 5 COMP 6 OSCILLATOR CLK EA PWM + - + 1.23V - FREQUENCY FOLDBACK GND 4 + + - R OC A1 V1 12 12 FAULT SS/EN OVERLOAD 1V/2.15V S Q R + 2mA 3.5mA 1.9V - S R OC PWM Q _ B1 B2 B3 B4 IC ID 12 12 FAULT SS/EN OVERLOAD 1V/2.15V S Q R + 2mA 3.5mA 1.9V - S R OC PWM Q _ B1 B2 B3 B4 IC ID Figure 2. SC4524B Block Diagram Figure 3. Soft-start and Overload Hiccup Control Circuit |
Similar Part No. - SC4524BEVB |
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Similar Description - SC4524BEVB |
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