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| CL6 Linear, Fixed, 100mA Constant Current LED Driver Features 100mA 5% constant current drive Built-in reverse polarity protection Dimmable via PWM supply Overtemperature protection Tab ground allows direct heatsinking to chassis 90V max rating for transient immunity General Description The CL6 is a fixed, linear current regulator designed for driving high brightness LEDs at 100mA from nominal 12V, 24V, or 48V supplies. With a maximum rating of 90V, it is able to withstand transients without the need for additional transient protection circuitry. The CL6 is offered in both D-PAK and TO-220 packages. The tab on the TO-220 is ground, allowing heatsinking directly to a chassis without the need for electrically insulating spacers. Overtemperature protection shuts off the LED current when the die temperature rises above 135C (nominal). Full LED current resumes when the die temperature falls below 105C (nominal). Applications Flashlights Specialty lighting Low voltage signage Low voltage lighting This device is not rated for automotive applications Typical Application Circuit VIN 100m A VDD OUT Control CL6 GND CL6 Ordering Information Device CL6 Package Options 3-Lead TO-220 CL6N5-G TO-252 (D-PAK) CL6K4-G -G indicates package is RoHS compliant (`Green') Absolute Maximum Ratings Supply voltage, VDD Output voltage, VOUT Operating junction temperature Storage temperature -25V to +100V -25V to +100V -40C1 -65C to +150C Pin Configurations D-PAK (TO-252) OUT GND GND VDD 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. 1. Maximum junction temperature internally limited. TO-220 OUT GND GND VDD IOUT vs Temperature IOUT (Normalized) 1.05 1.00 Pin Designation 0.95 0.90 0.85 -50 Pin VDD OUT -25 0 25 50 75 O Name VDD Output Ground Description Supply voltage for the CL6 Connect the LED between this pin and the supply voltage Circuit common 100 125 Temperature ( C) GND Thermal Characteristics Guaranteed by design - not production tested Symbol jc ja TLIM THYS Parameter Thermal resistance, junction to case Thermal resistance, junction to ambient Overtemperature limit Overtemperature hysteresis TO-220 D-PAK TO-220 D-PAK Min 120 - Typ 2.5 1.3 62 40 135 30 Max 150 - Units O Conditions ------Soldered to 2cm2 exposed copper area ----- C/W C/W O O O C C 2 CL6 Recommended Operating Conditions (all voltages with respect to GND pin) Symbol VDD VOUT Tj Parameter Supply voltage Voltage at OUT pin1 Junction temperature2 Normal Extended Normal Extended Min 6.5 6.5 4.0 4.0 -40 Typ - Max 28 90 28 90 119 Units V V o Conditions ------- C 1. Continuous operation at high VOUT voltages may result in activation of overtemperature protection. Use appropriate heatsinking. 2. Maximum junction temperature internally limited. Electrical Characteristics (Over normal recommended operating conditions unless otherwise specified. All voltages with respect to GND pin. Production tested @ 25OC.) Symbol IDD IOUT IOUT(OFF) VOFF tON tOFF Parameter Current into VDD pin Current into OUT pin1 Current into OUT pin with VDD pin open Voltage at VDD to shut off LED current VDD applied on delay VDD removed off delay Min 3.0 95 90 50 - Typ 5.0 100 100 - Max 10 105 110 120 10 1.0 100 100 Units mA mA A V s s Conditions -Normal conditions, 25C Normal conditions, full temp2 Extended conditions VDD = open IOUT < 10A ----- 1. Thermal considerations may limit current to lower values. Use appropriate heat sinking. 2. Guaranteed by design - not production tested. Application Circuits Low Current On/Off Control VIN 2-Terminal Operation VIN 107.5mA 100mA VDD Low current switch Control OUT VDD OUT Control CL6 GND CL6 GND Minimum VIN is increased by LED drop. ILED is increased by IDD 3 CL6 3-Lead TO-252 D-PAK Package Outline (K4) A c2 E E1 L3 4 1 H D D1 1 2 3 L4 L5 Detail B b2 e b Side View Front View Rear View Gauge Plane L2 L L1 A1 Seating Plane Detail B Notes: 1. 4 terminal locations are shown, only 3 are functional. Lead number 2 was removed. Symbol MIN Dimension (inches) NOM MAX A .086 .094 A1 .005 b .025 .035 b2 .030 .045 c2 .018 .035 D .235 .240 .245 D1 .205 - E .250 .265 E1 .170 - e .090 BSC H .370 .410 L .055 .060 .070 L1 .108 REF L2 .020 BSC L3 .035 .050 L4 .040 L5 .045 .060 0 O 1 0O O 10 15O JEDEC Registration TO-252, Variation AA, Issue E, June 2004. Drawings not to scale. 4 CL6 3-Lead TO-220 (Power Package) Package Outline (N5) A E E2 Q H1 4 D D1 Chamfer Optional 1 2 3 E1 D2 P A Seating Plane A1 E Thermal Pad Detail B L A2 e c A Front View Side View View A - A 1 2 3 L1 b2 b Detail B Symbol MIN Dimension (inches) NOM MAX A .140 .190 A1 .020 .055 A2 .080 .115 b .015 .027 .040 b2 .045 .057 .070 c .014 .024 D .560 .650 D1 .330 .355 D2 .480 .507 E .380 .420 E1 .270 .350 E2 .030 .100 BSC e H1 .230 .270 L .500 .580 L1 .250 Q .100 .135 P .139 .161 JEDEC Registration TO-220, Variation AB, Issue K, April 2002. Drawings not to scale. (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to http://www.supertex.com/packaging.html.) Doc.# DSFP-CL6 NR021407 5 |
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