SC446TETRT Semtech, SC446TETRT Datasheet - Page 2

• Manufacturer Part Number: SC446TETRT
• Description: IC LED DRVR WHT BCKLGT TSSOP-16
• Manufacturer: Semtech
• Type: Backlight, White LEDr

Specifications of SC446TETRT

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 3
• Internal Driver: Yes
• Type - Primary: Backlight
• Frequency: 700kHz
• Voltage - Supply: 4.5 V ~ 27 V
• Voltage - Output: 36V
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Current - Output / Channel: 100mA
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Other names: SC446TETR

Pin Configuration
Marking Information
© 2010 Semtech Corporation
D
C
B
A
Marking for the TSSOP-EP 16 Lead package:
COMP
IOSET
5
AGND
5
VOUT
PWM
nnnnn = Part Number (Example: SC446)
yyww = Date (Example: 0952)
xxxx = Semtech Lot # (Example: E901)
IO1
SS
EN
(TSSOP-16 EDP)
4
4
1
8
θ
Top Mark
JA
= 39º C/W
3
3
9
16
2
2
IO2
IO3
PGND
SW
PGND
OVPIN
OVPRTN
VIN
1
1
D
C
B
A
Ordering Information
Notes:
(1) Available in tape and reel only. A reel contains 2,500 devices.
(2) Available in lead-free package only. This product is fully WEEE/RoHS
compliant, Pb free and Halogen free.
SC446TETRT
SC446EVB
Device
(1,2)
Evaluation Board
TSSOP-16 EDP
Package
www.semtech.com
SC446
2