DataSheetWiki


G5126 fiches techniques PDF

Global Mixed-mode Technology - Boost DC/DC White-LEDs Drive

Numéro de référence G5126
Description Boost DC/DC White-LEDs Drive
Fabricant Global Mixed-mode Technology 
Logo Global Mixed-mode Technology 





1 Page

No Preview Available !





G5126 fiche technique
Global Mixed-mode Technology
G5126
High Efficiency, Constant Current, Boost DC/DC
White-LEDs Drive
Features
„ Operating Voltage2.7V to 5.5V
„ High Operating Frequency1MHz
„ High Output Voltage28V
„ Shutdown Current<1µA
„ Over-Voltage Protection
„ Digital Dimming Control
„ Built-in Cycle-by-Cycle Current-Limiting
„ Soft-Start Function
„ 0.2V Low Reference Voltage
„ SOT-23-6 & TDFN2X2-8 Package
Applications
„ LED Module
„ Compact Back Light Module
„ Constant Current Source
General Description
The G5126 boost converter contains a 0.7Ω internal
switch. The IC operates at constant frequency 1MHz,
allowing the use of tiny, low cost and low height in-
ductors and capacitors. The IC operates from a 2.7V
to 5.5V supply voltage. High inrush current at start-up
is eliminated using the soft-start function. Constant
frequency current mode PWM architecture results in
low, predictable output noise. The G5126 includes
cycle-by-cycle 850mA current limiting to maximum
inductor current and over-temperature protection cir-
cuit. The over-voltage protection will be enabled when
VOUT exceeds 28V. The current of LED is set by a
resistor connected between FB and GND. The G5126
is available in SOT-23-6 & TDFN2X2-8 package.
Ordering Information
ORDER
NUMBER
G5126TB1U
G5126RC1U
Note: TB: SOT-23-6 RC: TDFN2X2-8
1 : Bonding Code
U: Tape & Reel
MARKING
5126x
5126
TEMP.
RANGE
-40°C to 85°C
-40°C to 85°C
PACKAGE
(Green)
SOT-23-6
TDFN2X2-8
Pin Configuration
Typical Application Circuit
LX 1
G5126
GND 2
FB 3
G963
6 IN
VCC
NC
5 OVP
OVP
4 EN
EN
1
2
3
4
G5126
Thermal
Pad
8 LX
7 PGND
6 VSS
5 FB
SOT-23-6
TDFN2X2-8
Note: Recommend connecting the Thermal Pad to
the Ground for excellent power dissipation.
VIN=2.7V to 5.5V
CIN
4.7µF
10µH
IN LX
OVP
G5126
PWM Dimming
EN FB
GND
I=20mA
10
R1
COUT
1µF
Ver: 0.7
Mar 01, 2013
TEL: 886-3-5788833
http://www.gmt.com.tw
1

PagesPages 1
Télécharger [ G5126 ]


Fiche technique recommandé

No Description détaillée Fabricant
G5121 Fixed Frequency White LED Step-Up Converter Global Mixed-mode Technology
Global Mixed-mode Technology
G5126 Boost DC/DC White-LEDs Drive Global Mixed-mode Technology
Global Mixed-mode Technology

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche