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B120 View Datasheet(PDF) - Linear Technology

Part Name
Description
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B120
Linear
Linear Technology Linear
B120 Datasheet PDF : 20 Pages
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BLOCK DIAGRAM
VIN
CIN
VIN
4
SHDN INT REG
10
AND
UVLO
SLOPE
COMP
RT
9
RT
OSC
FREQUENCY
FOLDBACK
+
2V
REF
11
PWM
14
VADJ
13
LT3474/LT3474-1
BIAS 7
RQ
C1
SQ
1.25V
BOOST
6
DRIVER
Q1
SW
5
C1
L1
D1
100Ω
gm
OUT
2
0.1Ω
LED
3
DLED1
C2
PWM
Q2
1.25k
GND 8
VC 12
USE WITH
PWM DIMMING
CC1
CC2
RC
3474 BD
Figure 1. Block Diagram
3474fd
7
 

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