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LTM8042/LTM8042-1
TYPICAL APPLICATION
Boost Operation, Driving 9 Red LEDs at 350mA with Analog Dimming
UP TO 28V
V IN
7V TO 24.8V
V CC
LTM8042
RUN
BSTIN/BKLED –
LED +
TG
PWM
SYNC
TGEN
BSTOUT/BKIN
350mA
2.2μF
SS
CTL GND RT
ANALOG
CONTROL
VOLTAGE
19.6k
f SW = 850kHz
2.2μF
80421 TA06
RELATED PARTS
PART NUMBER
LTM8040
LTM8032
LTM4607
DESCRIPTION
36V, 1A, μModule LED Driver and Current Source
EMC 36V, 2A, μModule Regulator
Buck-Boost μModule Regulator
COMMENTS
4V ≤ V IN ≤ 36V; Open LED and Short-Circuit Protection,
9mm × 15mm × 4.32mm LGA Package
EN55022 Class B Compliant; 0.8V ≤ V OUT ≤ 10V
4.5V ≤ V IN ≤ 36V; 0.8V ≤ V OUT ≤ 25V, 15mm × 15mm × 2.8mm
80421fa
32 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
●
LT 0111 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2010
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