A/B
Global Mixed-mode Technology Inc.
G2620
High Efficiency, Constant Current 36V, 1A LED
Driver with Internal Switch
Feature
Operating Voltage: 7V to 36V
Output driving current up to 1A (1
×
LED)
Internal PWM filter
Shutdown Current <20μA (Typ)
Digital Dimming Control
Thermal Overload Protection
Open/Shorted LED Protection
SOP-8, SOT-23-5 and SOT-89-5 Package
Description
The G2620 is a step-down converter, designed for
driving high-brightness LED. The device operates over a
7V to 36V input voltage and driving current from few
milliamps up to 1A.
The device built-in Overload Protection to prevent
operating fails condition.
Application
GPS Navigation System
Compact Back Light Module
Constant Current Source
LED Module
Ordering Information
ORDER
NUMBER
G2620P11U
G2620T11U
G2620TE1U
Note: P1: SOP-8
T1: SOT23-5
1: Bonding Code
U: Tape & Reel
MARKING
G2620
2620x
2620
TE:SOT-89-5
TEMP.
RANGE
-40°C to +105°C
-40°C to +105°C
-40°C to +105°C
PACKAGE
(Green)
SOP-8
SOT-23-5
SOT-89-5
Pin Configuration
G2620
SENSE
AGND
NC
VIN
1
2
3
4
8
7
6
5
SHDN
PGND
LX
LX
Typical Application Circuit
D1
C
S
=0.1µF
(Option)
R
S
=0.1Ω
VIN=7V~36V
L1=47µH
SOP-8
G2620
G2620
LX
1
5
VIN
VIN
5
SENSE
4
VIN
C
IN
=4.7µF
C
DC
=0.1µF
SENSE
LX
SHDN
GND
GND
SHDN
2
3
4
SENSE
1
2
GND
3
SHDN
*The PCB layout of G2610 must be carefully designed, otherwise the SENSE pin would be disturbed.
An optioned 0.1µF decoupling capacitor(Cs) between VIN and SENSE is suggested, please place it
as closely to VIN and SENSE as possible.
SOT-23-5
LX
SOT-89-5
Ver: 0.1
May 17, 2011
TEL: 886-3-5788833
http://www.gmt.com.tw
1
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
