STCS1PUR STMicroelectronics, STCS1PUR Datasheet
STCS1PUR
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STCS1PUR Summary of contents
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... LEDs in low voltage applications such giving benefits in terms of precision, integration and reliability. Table 1. Device summary Order codes STCS1PUR STCS1PHR July 2008 1.5 A max constant current LED driver DFN8 (3x3 mm) The current is set with external resistor up to 1.5 A with a ± precision; a dedicated pin allows implementing PWM dimming ...
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Contents 1 Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Application diagram Figure 1. Typical application diagram for 0.5 A LED current 4.5V to 40V 4.5V to 40V BAT46ZFILM BAT46ZFILM R R 100 ohm 100 ohm IN IN OFF OFF OFF OFF C C BYP ...
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Pin configuration Figure 2. Pin connections (top view) DFN8 Table 2. Pin description Pin n° Symbol 1 V Supply voltage CC 2 PWM PWM dimming input 3 EN Shutdown pin 4 DRAIN Internal N-MOSFET drain Feedback input. The control ...
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Maximum ratings Table 3. Absolute maximum ratings Symbol V DC supply voltage CC DRAIN Drain pin PWM, EN, DISC Logic pins FB Configuration pins ESD Human body model (all pins) (1) T Junction temperature J T Storage temperature range ...
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Electrical characteristics Table 5. Electrical characteristics ( 100 mA typical values are at T Symbol Parameter V Supply voltage range CC Output current range I Output current O Regulation (percentage ...
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Timing Figure 3. PWM and output current timing PWM PWM Current Current Figure 4. Block diagram High Voltage High Voltage Preregulator Preregulator 3.3 V 3.3 V Enable Enable EN EN Input ...
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Typical performance characteristics Figure DRAIN CC A Figure temperature DRAIN Figure temperature CC 8/ °C Figure 6. Figure 8. Figure 10 ...
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Detail description The STCS1 is a BiCMOS constant current source designed to provide a precise constant current starting from a varying input voltage source. The main target is to replace discrete components solution for driving LEDs in low voltage ...
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Application information 8.1 Reverse polarity protection STCS1 must be protected from reverse connection of the supply voltage. Since the current sunk from V pin is in the range of 450 µA a small diode connected protect ...
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Package: DFN8 3x3 mm; – ° this case V DRAIN P = (1.2 - 0. The junction temperature will be 37.6 x 0.556 ...
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Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner ...
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DFN8 (3x3 mm) mechanical data mm. Dim. Min. Typ. A 0.80 0.90 A1 0.02 A2 0.70 A3 0.20 b 0.18 0.23 D 3.00 D2 2.23 2.38 E 3.00 E2 1.49 1.64 e 0.50 L 0.30 0.40 mils. Max. Min. Typ. ...
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PowerSO-8 mechanical data Dim. Min 0.00 A2 1.25 b 0.31 c 0.17 D 4.80 D1 2.24 E 5.80 E1 3. 0.25 L 0.40 k 0° ccc 14/17 mm. Typ. Max. Min. 1.70 0.15 0.00 ...
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Tape & reel QFNxx/DFNxx (3x3) mechanical data mm. Dim. Min. Typ 12 3.3 Bo 3 Max. Min. 180 13.2 0.504 0.795 2.362 14 inch. Typ. Max. ...
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Revision history Table 6. Document revision history Date Revision 10-Apr-2007 1 07-May-2007 2 24-May-2007 3 27-Sep-2007 4 02-Oct-2007 5 15-Feb-2008 6 05-May-2008 7 02-Jul-2008 8 16/17 Changes Initial release. PowerSO-8 mechanical data has been updated and the R value ...
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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...