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SC441AEVB 数据表(PDF) 11 Page - Semtech Corporation

部件名 SC441AEVB
功能描述  High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
PDF  20 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC441AEVB 数据表(HTML) 11 Page - Semtech Corporation

Back Button SC441AEVB Datasheet HTML 7Page - Semtech Corporation SC441AEVB Datasheet HTML 8Page - Semtech Corporation SC441AEVB Datasheet HTML 9Page - Semtech Corporation SC441AEVB Datasheet HTML 10Page - Semtech Corporation SC441AEVB Datasheet HTML 11Page - Semtech Corporation SC441AEVB Datasheet HTML 12Page - Semtech Corporation SC441AEVB Datasheet HTML 13Page - Semtech Corporation SC441AEVB Datasheet HTML 14Page - Semtech Corporation SC441AEVB Datasheet HTML 15Page - Semtech Corporation Next Button
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SC441A

© 2009 Semtech Corporation
www.semtech.com
Block Diagram
Figure 1. SC441A Block Diagram
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FAULT-1
TSD
HICCUP
OVP
UVLO
HICCUP
HICCUP
Fault
SS
3V3
Fault
CONTROL
LOGIC
VOUT
DISABLE1
EN
PWM
VIN
SW
AGND
COMP
OSC
ISENSE
Bandgap
IO1
OVPRTN
ILIM
PGND
SS
ONE IO CHANNEL SHOWN
IOSET
FFLAG
HICCUP
IOGND
UVLO & TSD
PGND
LED OPEN/SHORT/OVERSHOOT
CIRCUIT PROTECTION
CURRENT
SOURCE
OVPIN
SW
LED CURRENT
SETTING
OVP
Detect
DISABLE2
4.5uA
4.5uA
S
R
Q
0.9mA
0.9mA
1uA
1uA



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