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STCS2A Datasheet

  • STCS2A

  • 2 A max constant current LED driver

  • 18頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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STCS2A
2 A max constant current LED driver
Features
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Up to 40 V input voltage
Less than 0.5 V voltage overhead
Up to 2 A output current
PWM dimming pin
Shutdown pin
LED disconnection diagnostic
Slope control with external cap
10
1
PowerSO-10
Applications
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LED constant current supplying for varying
input voltages
Low voltage lighting
Small appliances LED lighting
Car LED lights
solution for driving LEDs in low voltage
applications such as 5 V, 12 V or 24 V giving
benefits in terms of precision, integration and
reliability.
The current is set with external resistor up to 2 A
with a 鹵 10 % precision; a dedicated pin allows
implementing PWM dimming. An external
capacitor allows setting the slope for the current
rise from tens of microseconds to tens of
milliseconds allowing reduction of EMI.
An open-drain pin output provides information on
load disconnection condition.
Description
The STCS2A 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
Table 1.
Device summary
Order code
STCS2ASPR
Package
PowerSO-10
Packaging
600 parts per reel
July 2008
Rev 3
1/18
www.st.com
18

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