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| LP28400 Datasheet, PDF (6/17 Pages) Lowpower Semiconductor inc – Programmable Charge Current Up to 3000mA | |||
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Function Block Diagram
Preliminary Datasheet
LP28400
VDD
1
SHORT
CIRCUIT
COMP.
EN1
SHUTDOWN
CIRCUITRY
UVLO
10KΩ~100KΩ
2.5A~0.5A
ISET
1
ADJUSTABLE
CURRENT
LIMIT
10μA
OVP
Error
Amp.
FB
SOFT
START
OTP
PWM
COMP.
CONTROL
AND DRIVER
LOGIC
OSCILLATOR
SLOPE
COMPENSASION
CURRENT
SENSE
AMP.
LX
VSS
VDD
2
EN2
GATE
DRIVER
CURRENT
LIMIT
OUT
2
ISET
2
UVLO
TSD
REF
VSS
LP28400-00 Version 1.0 May.-2013 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 6 of 17
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