CL525 Supertex, Inc., CL525 Datasheet

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CL525

Manufacturer Part Number
CL525
Description
Linear, Fixed Constant Current Led Driver
Manufacturer
Supertex, Inc.
Datasheet
Features
Applications
Typical Application Circuit
25mA ±10% constant current drive
1.0V dropout
90V rating for transient immunity
Temperature compensated
4.75 - 90V supply range
Specialty lighting
Low voltage signage
4.75 – 90V
V
Linear, Fixed Constant Current
IN
1235 Bordeaux Drive, Sunnyvale, CA 94089
100nF
LED Driver
Control
General Description
The CL525 is a fixed, linear current regulator designed for driving
LEDs at 25mA. With a maximum rating of 90V, it is able to withstand
transients without the need for additional transient protection
circuitry. It is ideally suited for applications employing single or
multiple LEDs.
The minimum dropout voltage of 1.0V accomodates extra LEDs,
permits lower supply voltages, and provides more efficient
operation.
The CL525 is offered in TO-252(D-PAK) and TO-92 packages.
VDD
25mA
25mA
GND
OUT
Tel: 408-222-8888
www.supertex.com
CL525

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CL525 Summary of contents

Page 1

... LED Driver General Description The CL525 is a fixed, linear current regulator designed for driving LEDs at 25mA. With a maximum rating of 90V able to withstand transients without the need for additional transient protection circuitry ideally suited for applications employing single or multiple LEDs ...

Page 2

... Packaging TO-252 (D-PAK) (K4 Year Sealed Week Sealed = “Green” Packaging TO-92 (N3) Typ Max Units Conditions - 90 V --- - 90 V --- - 125 C --- --- Typ Max Units Conditions 30 - --- C/W O N/A - --- 81 - --- C/W O 132 - --- ● Tel: 408-222-8888 ● www.supertex.com CL525 GND OUT ...

Page 3

... Typ Max Units Conditions - 1.0 mA --- 25 27.5 1.0V < V OUT mA - 27.5 V <1.0V OUT - 10 µ open < 10µA OUT - 100 µs --- - 100 µs --- V = 90V, 100ms OUT V =1V OUT 120 100 150 .) OUT VDD 25mA Control GND ● Tel: 408-222-8888 ● www.supertex.com CL525 < 90V ...

Page 4

... OUT 25mA V + 4.75V ≤ V LED GND + I OUT DD Description Supply voltage for the CL525. Bypass locally with a 100nF capacitor to VDD ground. OUT Constant current output (sink). GND Circuit common. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 4 ≤ 90V IN LED ● Tel: 408-222-8888 ● ...

Page 5

... A θ View B b Side View A1 Seating Plane .370 .055 .035 .025* .090 .108 .020 - .060 - - BSC REF BSC .410 .070 .050 .040 ● Tel: 408-222-8888 ● www.supertex.com CL525 c2 H θ θ1 L5 .045 .060 ...

Page 6

... No responsibility is assumed for possible omissions and inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications refer to the Supertex inc. website: http//www.supertex.com. ©2008 All rights reserved. Unauthorized use or reproduction is prohibited. Doc.# DSFP-CL525 A120908 D 1 ...

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