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SC4505 Datasheet(PDF) 4 Page - Semtech Corporation

Part # SC4505
Description  High Efficiency Boost Converter for Backlight/Flash LED Driver
Download  15 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4505 Datasheet(HTML) 4 Page - Semtech Corporation

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 2006 Semtech Corp.
www.semtech.com
SC4505
POWER MANAGEMENT
Pin Configurations
Ordering Information
TOP VIEW
(16 Pin - MLPQ)
e
c
i
v
e
D
)
2
(
)
1
(
e
g
a
k
c
a
PT
(
e
g
n
a
R
.
p
m
e
T
A)
T
R
T
L
M
5
0
5
4
C
S6
1
-
Q
P
L
MC
°
5
8
o
t
0
4
-
B
V
E
5
0
5
4
C
SD
R
A
O
B
N
O
I
T
A
U
L
A
V
E
Notes:
(1) Only available in tape and reel packaging. A reel
contains 3000 devices.
(2) Lead free product. This product is fully WEEE and
RoHS compliant.
Block Diagram
EN_BL
Rsense-
5mOhm
Sense
Amp
Q
COMP
OSC
R
S
BL Setpoint
FL Setpoint
RO2SET
EN_FL
FL_TRB
Error signal selection
and summation
IO2SET
RO1SET
IO1SET
ADJ1
ADJ2
IO1
IO2
Reference&
Internal Regulator
UVLO
Thermal
Shutdown
VO
OVP
Comparator
VCC
VOUT
PGND
AGND


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