AIC3643 Datasheet - Analog Integrations

AIC3643, Built-in OVP White LED Step-Up Converter

AIC3643 Built-in OVP White LED Step-Up Converter .
AIC3643 is a current-mode pulse-widthmodulation (PWM), step-up DC/DC converter designed to drive white LEDs with a constant current to provide backlig.

datasheet Preview Page 1 from Datasheet4u.com

AIC3643_AnalogIntegrations.pdf

AIC3643 Datasheet Preview — Preview of AIC3643 PDF

Datasheet Details

Part number:

AIC3643

Manufacturer:

Analog Integrations

File Size:

326.66 KB

Description:

Built-in OVP White LED Step-Up Converter

Features

* Built-In Open Circuit Protection Over Voltage Protection Efficiency Up to 83% at VIN=4.2V, 3LEDs, ILED=20mA 1.2MHz Fixed Switching Frequency Drives Up to 5LEDs in series 2.5V to 5.5V Input Voltage Low Supply Current: 150μA Matches LED Current Requires Tiny Inductor and Capacitors TSOT-23-6, and SOT-

Applications

* Cellular Phones PDAs DSCs Handheld Devices White LED Display Backlighting TYPICAL APPLICATION CIRCUIT 3.0~4.2V C1 1μF L 6.8μH VIN SW D1 C2 3.3μF Efficiency (%) 90 85 VIN=4.2V VIN=3.6V 80 SHDN OVP GND FB RFB 5Ω 20mA 75 VIN=3V AIC3643 L1: GTSD31-6R8M, GOTREND D1: SS0540, PAN JIT C1: JMK107BJ1

AIC3643 Distributors

📁 Related Datasheet

AIC3412 AIC3413 AIC3415 AIC3417 AIC3842 AIC-010

📌 All Tags

AIC3643 Built-in OVP White LED Step-Up Converter Analog Integrations

Analog Integrations AIC3643-like datasheet