TM
MP1543 — 1.5A, 500KHZ SYNCHRONOUS RECTIFIED STEP-UP CONVERTER
VIN
2.5V - 4.2V
D1
4
P1
SW
3
OUT
5
EN
EN MP1543
GND
2
1
FB
VOUT
5V
400mA
MP1543_F03
Figure 4—5V Typical Application Circuit with External Schottky Diode and Output Disconnect
Required
MP1543 Rev. 1.0
www.MonolithicPower.com
8
1/11/2006
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