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BD9876AEFJ Datasheet(PDF) 2 Page - Rohm |
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BD9876AEFJ Datasheet(HTML) 2 Page - Rohm |
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2 / 24 page  2/21 Datasheet Datasheet BD9876AEFJ TSZ02201-0Q1Q0AJ00170-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 28.JAN.2014 Rev.003 www.rohm.com TSZ22111・15・001 ●Pin Configuration ●Pin Description Pin No. Pin Name Description 1 Lx Terminal for inductor 2 GND Ground pin 3 VC Error amplifier output 4 FB Inverting node of the trans conductance error amplifier 5 SYNC Input pin of an external signal for the device synchronized by external signal 6 EN Stand-by ON/OFF pin 7 BST Voltage Supply pin for High Side FET Driver 8 VCC Voltage input pin - Thermal Pad PAD for enhance the radiation of heat. Connect to GND absolutely. ●Block Diagram 1 23 4 87 65 Thermal Pad Figure 2. Pin Configuration (TOP VIEW) E 1.0V Error VC LX Reference UVLO VREF REG 200m Ω Soft Start ON/OF GN + - + F BS TSD Shutdown 10 Ω V R Q S Current Comparator VOU T SYN Oscillator 300kH Σ + - Current Sense AMP Figure 3. Block Diagram |
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