SC4509SKTRT Semtech, SC4509SKTRT Datasheet - Page 3

• Manufacturer Part Number: SC4509SKTRT
• Description: IC LED DRVR WT/OLED BCKLT SOT236
• Manufacturer: Semtech
• Type: Backlight, OLED, White LEDr

Specifications of SC4509SKTRT

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Frequency: 1MHz ~ 1.4MHz
• Voltage - Supply: 2.7 V ~ 10 V
• Voltage - Output: 20V
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 30mA
• Internal Switch(s): Yes
• Efficiency: 81%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SC4509SKTR

Unless specifi ed: V
Note:
1. Guaranteed by design.
© 2007 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics
Parameter
EN/SS Input Low Current
EN/SS Input High Current
Output Over-Voltage Protection
Schottky Forward Drop
Schottky Leakage Current
IN
= V
EN/SS
= 3.6V; C
IN
= 1μF; C
(Cont.)
Symbol
OUT
OVP
V
= 0.22μF; L = 22μH; unless otherwise noted, T
I
f_sch
I
I
f_sch
IH
IL
V
OUT
= 25V; V
Conditions
V
I
3
EN/SS
D
= 150mA
= GND
SW
= GND
A
= +25°C for Typ, -40ºC to 85°C for Min and Max.
Min
25
Typ
0.7
1.0
60
30
Max
100
1.0
4.0
www.semtech.com
SC4509
Units
μA
μA
μA
V
V