CAT37_08 Datasheet, PDF (2/13 Pages) Texas Instruments – CMOS White LED Driver Boost Converter

CAT37
ORDERING INFORMATION
Part Number
CAT37TDI-T3
CAT37TDI-GT3
Package
TSOT-23 5-lead⁽¹⁾
TSOT-23 5-lead ⁽²⁾
Quantity per Reel
3,000
3,000
Package Marking
LM
UL
PIN CONFIGURATION
TSOT-23 5-Lead
Top View
SW 1
GND 2
FB 3
5 VIN
4 SHDN
1mm maximum height
θ_JA = 250ºC/W [free air]
PIN DESCRIPTION
Pin Number
1
2
3
4
5
Name
SW
GND
FB
¯S¯H¯D¯N¯
VIN
Function
Switch pin. This is the drain of the internal power switch. For minimum EMI,
minimize the trace area connected to this pin.
Ground pin. Connect pin 2 to ground.
LED (cathode) connection pin.
Shutdown pin.
Input supply pin. This pin should be bypassed with a capacitor to ground. A 1µF
capacitor mounted close to the pin is recommended.
Notes:
(1) Matte-Tin Plated Finish (RoHS-compliant).
(2) NiPdAu Plated Finish (RoHS-compliant).
Doc. No. MD-5005 Rev. T
2
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice