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G5116T1UF, G5117T1U, G5118

Table of contents:
Info of G5116T1UF
Info of G5117T1U
Info of G5118

G5116T1UF, G5117T1U, G5118 Selling Leads, Datasheet

MFG:GMT Package Cooled:SOT23-5 D/C:09+

G5116T1UF, G5117T1U, G5118 Datasheet download

Five Points

Part Number: G5116T1UF

MFG: GMT

Package Cooled: SOT23-5

D/C: 09+

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G5118 General Description

The G5114/G5116/G5118 are high efficiency boost converters with constant current output that drives up to 8 white LEDs. The continuous LED current is set with the FB pin regulated voltage across an external sense resistor (Rs) connected from that pin to ground. A dimming PWM waveform to SHDN pin controls LED average current proportional to its duty makes the brightness of LEDs also proportional to the duty.

Low FB regulation voltage and low switch turned on resistance result in high converting efficiency from wide battery voltage range to high LED series voltage.

An over-voltage protection prevents device damage while LEDs is open. It is easy to release protection state by just put the load path closed.

G5118 Maximum Ratings

SW, OVP to GND................-0.3V to +35V
V_CC, SHDN to GND.............................-0.3V to +7V
FB to GND..............................................-0.3V to V_CC
Operating Temperature............-40 to 85
Junction Temperature...........................................125
Storage Temperature................65 to 150
Reflow Temperature (soldering, 10sec)........260
Stress beyond those listed under "Absolute Maximum Rating" may cause permanent damage to the device.

G5118 Features

Driving Up to 8 LEDs
Auto Trigger/Release OVP Function
(G5114/G5118)
Input Voltage Range: 1.7V ~ 6.5V
Precise Dimming Control Using PWM Signal
50A No Switching Current
Internal 30V Switch With 0.8 Rds(on)
Soft Start Function Included
Up to 85% Efficiency

G5118 Typical Application

White LED Backlight Display for PDA
Pocket PC
Smart Phones
Handheld Devices
Cellular Phones

G5118 Connection Diagram

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