cat37tdi-t3 Catalyst Semiconductor, cat37tdi-t3 Datasheet - Page 2

• Manufacturer Part Number: cat37tdi-t3
• Description: Cmos White Led Driver Boost Converter
• Manufacturer: Catalyst Semiconductor

CAT37
ORDERING INFORMATION
PIN CONFIGURATION
PIN DESCRIPTION
Notes:
(1) Matte-Tin Plated Finish (RoHS-compliant).
(2) NiPdAu Plated Finish (RoHS-compliant).
Doc. No. MD-5005 Rev. T
Pin Number
CAT37TDI-GT3
CAT37TDI-T3
Part Number
1
2
3
4
5
GND
SW
FB
1mm maximum height
θ
JA
¯¯¯¯¯
SHDN
Name
TSOT-23 5-Lead
1
2
3
GND
= 250ºC/W [free air]
VIN
SW
FB
Top View
TSOT-23 5-lead
TSOT-23 5-lead
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.
Package
5
4
VIN
SHDN
(1)
(2)
Quantity per Reel
2
3,000
3,000
Package Marking
LM
UL
Characteristics subject to change without notice
©
Catalyst Semiconductor, Inc.