CL25

CL25 SUTEX | Alldatasheet

Document overview

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Technical content

Features

5.0V to 90V operating range (VA-B) 25mA ±10% at 5-90V 0.01% / °C typical temperature coeffi cient No external components (two terminal device) Can be paralleled for higher current

Applications

Industrial lamp indicators Accent lighting General Description The Supertex CL25 is a high voltage, temperature compensated, constant current source. The device is trimmed to provide a constant current of 25mA ± 10% at an input voltage of 5-90V. No external components are required. The device can be used as a two terminal constant current source or constant current sink. A typical application for the CL25 is to drive LEDs with a constant current of 25mA. They can also be used in parallel to provide higher currents such as 50mA, 75mA or 100mA. The device is available in TO-92 and TO-243AA (SOT-89) packaging. Typical Application Circuit Simple 90V, 25mA, Temperature Compensated, Constant Current, LED Driver IC ILED 25mA VA VB Up to 90V + VLED(total) VLED(total) VA Control Circuit and Temperature Compensation VB Functional Circuit Diagram CL25

Ordering Information

TO-92 TO-243AA (SOT-89) CL25 CL25N3-G CL25N8-G -G indicates package is RoHS compliant (‘Green’) Absolute Maximum Ratings Parameter Value Operating voltage, VA-B 100V Operating junction temperature, TJ -40°C to +125°C Storage temperature, TS -55°C to +150°C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. Continuous operation of the device at the absolute rating level may affect device reliability. All voltages are referenced to device ground. Thermal Characteristics Package Power Dissipation @TA = 25OC θJC OC/W θJA OC/W TO-92 0.6W 125 170 TO-243AA (SOT-89) 1.3W* 15 78* Pin Confi guration * Mounted on FR4 board; 25mm x 25mm x 1.57mm Symbol Parameter Min Typ Max Units Conditions VA-B Operating voltage 5 - 90 V --- IA-B Current regulation 22.5 25 27.5 mA V A-B = 5V - 90V ΔIA-B/ΔT I A-B temperature coeffi cient - 0.01 - %/ OCV A-B = 45V, TJ = -40OC to +100OC TJ Operating junction temperature -40 - 125 OC --- RA-B Dynamic resistance - 300k - Ω ---

Electrical Characteristics

(TJ=25°C unless otherwise specifi ed) Functional Circuit Diagram Equivalent Block Diagram TO-243AA (top view) VA NC VB TO-92 (front view) VA NCVB VB NC = No Connect VA Control Circuit and Temperature Compensation VB 25mA ±10% VA VB

0 1 02 03 04 05 06 07 08 09 0 1 0 0 VA-B I A-B (mA) Temperature Characteristics 0.98 0.99 1.00 1.01 1.02 -55 -35 -15 5 25 45 65 85 105 Temperature (°C) Current, normalized to 25°C 10V 30V 45V 90V

+VLED(TOTAL) VB VA CL25 ILED 75mA VB VA CL25 VLED(TOTAL) CL25 for Multiple LED Strings ILED 25mA VB VA CL25 Up to 90V +VLED(TOTAL) ILED 25mA VB VA CL25 ILED 25mA VB VA CL25 ILED 25mA VB VA CL25 VLED(TOTAL)

Doc.# DSFP-CL25 A121506 CL25 3-Lead TO-92 Package Outline (N3) 1 2 3 Seating Plane 2 3 Front View 0.175 - 0.205 0.170 - 0.210

0.500 MIN

0.014 - 0.022 0.045 - 0.055 0.095 - 0.105 0.125 - 0.165

0.135 MIN

0.080 - 0.105 0.014 - 0.022 Side View Top View Notes: All dimensions are in millimeters; all angles in degrees. Exclusion Zone No Vias/Traces in this area. Shape of pad may vary.

3.00 BSC

1.50 BSC

1.05 ± 0.15 2.45 ± 0.15 4.10 ± 0.15 1.72 ± 0.10 4.50 ± 0.10 2.21 ± 0.08 0.40 ± 0.05 1.50 ± 0.10 Notes: All dimensions are in millimeters; all angles in degrees. Top View Side View Bottom View 3-Lead TO-243AA (SOT-89) Package Outline (N8) (The package drawings in this data sheet may not refl ect the most current specifi cations. For the latest package outline information go to http://www.supertex.com/packaging.html.)