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KAC3301QN - 1X/1. 5X Fractional Charge Pump for White LED Driver

General Description

Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Name EN DIM NC NC ISET VOUT VIN C1P C1N C2N C2P GND D1 D2 D3 D4 Reference current set.(Connecting a resistor to gorund) Analog Dimming Control Charge pump output Power Supply Voltage Input Positive terminal of switched capacitor1 Negative terminal of switc

Key Features

  • 1x/1.5x dual charge pump modes with auto detection. Excellent Power Efficiency. (more than 92% of PMAX) LED current matching of 2%. Power-down current below 1uA. (max. ) Up to 30mA/LED current capability. [VIN > 3.1V] Up to 20mA/LED current capability. [VIN > 2.7V] Strong to ESD. [MM:>200V, HBM:>2000V] Low input ripple and EMI. PWM or Analog dimming control. 2.7V to 5.5V input voltage range. Output over-voltage protection. Thermal shutdown protection. Output over-current protection. Soft start lim.

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Datasheet Details

Part number KAC3301QN
Manufacturer KEC
File Size 157.60 KB
Description 1X/1. 5X Fractional Charge Pump for White LED Driver
Datasheet download datasheet KAC3301QN Datasheet

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Full PDF Text Transcription (Reference)

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SEMICONDUCTOR TECHNICAL DATA 1X/1. 5X Fractional Charge Pump for White LED Driver with Dimming Control KAC3301QN Analog CMOS Integrated Circuits www.DataSheet4U.com E Pin 1 D 13 16 The KAC3301 is low noise constant frequency charge pump DC/DC converter specially designed to drive up to four white LEDs with constant current from Li-ion cell. Dual (1x/1.5x) Modes and low dropout voltage of LED driver maximize efficiency for the white LED application over full Li-ion battery input range. The LED current is set by the external resistor. PWM(Pulse Width Modulation) signal can be used to control LED brightness over wide frequency range. Various kinds of protection circuits protect your system from every undesirable output condition. Features 1x/1.