MAX8627 Maxim Integrated Products, MAX8627 Datasheet - Page 8

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MAX8627

Manufacturer Part Number
MAX8627
Description
Synchronous Boost Converter
Manufacturer
Maxim Integrated Products
Datasheet

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Low V
Boost Converter with True Shutdown
Figure
Figure
8
_______________________________________________________________________________________
1. Typical Applications Circuit with an Adjustable Output Voltage and Adjustable Current Limit
2. Functional Diagram
BATT
OUTS
22μF
GND
INPUT: 1.5V TO 5.5V
C1
OFF
2.7V
22μF
R3
, 20µA IQ, 1MHz Synchronous
ON
C2
REFERENCE
+
-
ON
R4
ON
UVLO
AGND
ILIM
BATT
ON
GND
OSCILLATOR
OSCILLATOR
STARTUP
1MHz
MAX8627
1μH
ON
L1
PG
POUT
OUTS
LX
FB
CONTROL
FB
ILIM
R1
R2
MAX8627
DAMPING
SWITCH
C3
22μF
3V TO 5V, UP TO 1A
ON
ON
OUTPUT:
C4
22μF
POUT
BATT
LX
PG

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