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LT3492EUFD Datasheet(PDF) 7 Page - Linear Technology

Part # LT3492EUFD
Description  Triple Output LED Driver with 3000:1 PWM Dimming
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3492EUFD Datasheet(HTML) 7 Page - Linear Technology

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LT3492
7
3492f
–
+
–
+
+
EAMP
A1
–
+ V1
PWM1
VC
1V
PWM
COMPARATOR
SLOPE
R1 2k
–
+
VSENSE
ILED
LED ARRAY
M1
RSENSE
A8
CTRL
BUFFER
Q3
1V
CTRL1
VC1
Q1
GND
R2
20k
R6
R5
A3
SR LATCH
ISENSE
REPLICATED FOR EACH CHANNEL
SHARED COMPONENTS
S
RQ
A2
A9
A6
NPN
DRIVER
–
+
A10
A4
A7
MOSFET
DRIVER
A5
VIN
VREF
FADJ
3492 BD
SHDN
OVP1
R3
R4
RC
PWM1
TG1
ISN1
ISP1
SW1
D1
L1
VIN
C2
C1
CC
VIN
VIN
C3
C4
INTERNAL
REGULATOR
AND UVLO
2V
REFERENCE
RAMP
GENERATOR
OSCILLATOR
Q2
VIN
200μA
Figure 1. LT3492 Block Diagram Working in Boost Configuration
BLOCK DIAGRAM



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