STCS2SPR STMicroelectronics, STCS2SPR Datasheet
STCS2SPR
Specifications of STCS2SPR
STCS2SPR
Available stocks
Related parts for STCS2SPR
STCS2SPR Summary of contents
Page 1
... LEDs in low voltage applications such giving benefits in terms of precision, integration and reliability. Table 1. Device summary Order code STCS2SPR July 2008 2 A max constant current LED driver 10 PowerSO-10 The current is set with external resistor with a ± precision; a dedicated pin allows implementing PWM dimming ...
Page 2
Contents 1 Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
Application diagram Figure 1. Typical application diagram for 2 A LED current 4. 40V 4. 40V R R 0.1µF 0.1µF OFF OFF OFF OFF Load disconnection Load disconnection (Open Drain output) ...
Page 4
Pin configuration Figure 2. Pin connections (top view) Table 2. Pin description Pin n° Symbol 1 V Supply voltage CC 2 PWM PWM dimming input 3 EN Shutdown 4 N.C. Not connected 5 DRAIN Internal N-MOSFET drain Internal N-MOSFET ...
Page 5
Maximum ratings Table 3. Absolute maximum ratings Symbol V DC supply voltage CC DRAIN Drain pin SOURCE Source pin PWM, EN, DISC Logic pins FB Configuration pins ESD Human body model (all pins) (1) T Junction temperature J T ...
Page 6
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 ...
Page 7
Timing Figure 3. PWM and output current timing PWM PWM Current Current Figure 4. Block diagram High Voltage High Voltage Preregulator Preregulator 3 Enable Enable Input ...
Page 8
Typical performance characteristics Figure DRAIN CC A Figure temperature DRAIN Figure temperature CC 8/ °C Figure 6. 1000 1000 100 100 ...
Page 9
Detail description The STCS2 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 ...
Page 10
Application information 8.1 Reverse polarity protection STCS2 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 ...
Page 11
thJA D A typical application could be: – Input Voltage – 3 ...
Page 12
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 ...
Page 13
PowerSO-10 mechanical data mm. Dim. Min. Typ 3.40 A3 1.25 b 0.40 c 0.35 D 9.40 D1 7.40 E 13.80 E1 9.30 E2 7.20 E3 5.90 e 1.27 L 0.95 0° inch. Max. Min. Typ. 3.70 0.10 ...
Page 14
Tape & reel PowerSO-10 mechanical data Dim. Min 12 14.9 Bo 9.9 Ko 4.15 Po 3.9 P 23.9 W 23.7 14/16 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 30.4 15.1 ...
Page 15
Revision history Table 6. Document revision history Date Revision 03-Oct-2007 1 15-Feb-2008 2 05-May-2008 3 02-Jul-2008 4 Changes Initial release. Modified: Figure 1 on page 3, Figure 4 on page Modified: Table 2 on page 4, pin 9 description. ...
Page 16
... 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. ...