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LP3905SD-A3 /NOPB
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LP3905SD-A3 /NOPB数据手册
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LP3905
www.ti.com
SNVS374D JUNE 2006REVISED MAY 2013
PIN DESCRIPTIONS
Pin No. Name Description
1 EN2 Enable Pin for Buck2
2 TGND Ground Pin
3 LDO2 LDO2 Output Pin
4 VIN2 Input Power Terminal to LDO1 and 2
5 LDO1 LDO1 Output Pin
6 GND LDO1 and 2 Ground Pin
7 EN1 Enable Pin for Buck1 and LDO1 and 2
8 FB1 Buck1 Feedback Pin
9 GND_B1 Buck1 Ground Pin
10 SW1 Buck1 Switch Pin
11 VIN1 Input Power Terminal to Buck1 and 2
12 SW2 Buck2 Switch Pin
13 GND_B2 Buck2 Ground Pin
14 FB2 Buck2 Feedback Pin
DAP SGND Die Attach Pad (DAP)
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 3
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LP3905SD-A3 /NOPB 数据手册

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