zxld1352 Zetex Semiconductors plc., zxld1352 Datasheet - Page 4

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zxld1352

Manufacturer Part Number
zxld1352
Description
350ma Led Driver With Internal Switch And Enhanced Pwm Dimming Range
Manufacturer
Zetex Semiconductors plc.
Datasheet

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Block diagram
Issue 1 - August 2008
© Diodes Incorporated 2008
V
IN
C1
GND
ADJ
Vref
Voltage
regulator
V
50k
IN
1.25V
600KHz
5V
Shutdown
circuit
4
V
R1
R2
R3
IN
Current sense circuit
Comparator
+
-
R
D1
S
+
-
I
SENSE
ZXLD1352
www.diodes.com
www.zetex.com
LX
L1
MN

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