Ver: 0.2

Aug 06, 2015

TEL: 886-3-5788833

http://www.gmt.com.tw

1

G2620

Global Mixed-mode Technology

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 <20

μA (Typ)

Digital Dimming Control

Thermal Overload Protection

Open/Shorted LED Protection

SOP-8, SOT-23-5 and SOT-89-5 Package

Application

GPS Navigation System

Compact Back Light Module

Constant Current Source

LED Module

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.

Ordering Information

ORDER

NUMBER

MARKING

TEMP.

RANGE

PACKAGE

(Green)

G2620P11U

2620

-30°C to +105°C

SOP-8

G2620T11U

2620x

-30°C to +105°C

SOT-23-5

G2620TE1U

2620

-30°C to +105°C

SOT-89-5

Note: P1: SOP-8

T1: SOT23-5

TE: SOT-89-5

1: Bonding Code

U: Tape & Reel

Green : Lead Free / Halogen Free

Pin Configuration

Typical Application Circuit

VIN=7V~36V

D1

(Option)

L1=47µH

LX

VIN

GND

SHDN

SENSE

*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.

SENSE

SOT-23-5

5

4

1

2

3

GND

SHDN

VIN

LX

G2620

VIN

NC

8

6

5

1

2

3

4

SENSE

AGND

SHDN

PGND

LX

LX

SOP-8

G2620

7

SHDN

SOT-89-5

G2620

1

23

5

4

GND

SENSE

VIN

LX

VIN=7V~36V

D1

(Option)

L1=47µH

LX

VIN

GND

SHDN

SENSE

*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.

SENSE

SOT-23-5

5

4

1

2

3

GND

SHDN

VIN

LX

G2620

VIN

NC

8

6

5

1

2

3

4

SENSE

AGND

SHDN

PGND

LX

LX

SOP-8

G2620

7

SHDN

SOT-89-5

G2620

1

23

5

4

GND

SENSE

VIN

LX