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IL700D

Part Number	IL700D
Manufacturer	Integral
Description	HIGH VOLTAGE HIGH-FREQUENCY STEP-UP SWITCHING REGULATOR-CONTROLLER
Published	May 14, 2010
Detailed Description	IL700D HIGH VOLTAGE HIGH-FREQUENCY STEP-UP SWITCHING REGULATOR-CONTROLLER The IL700D is a monolithic high voltage switch...
Datasheet	IL700D PDF File

Overview

IL700D HIGH VOLTAGE HIGH-FREQUENCY STEP-UP SWITCHING REGULATOR-CONTROLLER The IL700D is a monolithic high voltage switching regulator-controllers with PWM/PFM control that is specifically designed to operate from a rectified 220 VAC line source.
This device contain a reference voltage source, oscillation circuit, error amplifier, phase compensation circuit, PWM control circuit, power supply 450 V MOS-transistor, 700 V DMOS power switch, and other components.
Since the oscillation frequency is a high 600 kHz, with the addition of a small external component, the IC can function as switching regulator with high efficiency.
The IL700D provides low-ripple power, high-efficiency, and excellent transient characteristics thanks to a PWM control circuit capable of varying the duty ratio linearly from 0% to 82% and optimized error amplifier, and phase compensation circuit.
The IL700D contains a PWM/PFM switching control circuit so that it operates using PWM control with a duty ratio of 27% or higher and using PFM control with a duty ratio of lower than 27% to ensure high efficiency in all load ranges.
Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Name NC VddHV NC Vdd Vz CVREF GND FB CSS SENSE NC NC NC NC SOURCE SOURCE SOURCE NC NC DRAIN Function Not used IC high power supply Not used IC internal low power supply Voltage on zener diode Reference voltage source pass capacitor connection pin Gnd pin FB for external setting type Soft-start capacitor connection pin Current limit detection pin Not used Not used Not used Not used Power switch source Power switch source Power switch source Not used Not used Power Switch Drain www.
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by IL235Z Features • Operate from a rectified 220 VAC line source.
• Oscillation frequency: 600 kHz.
• Output voltage external setting (FB) type av...

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IL700D HIGH VOLTAGE HIGH-FREQUENCY STEP-UP SWITCHING REGULATOR-CONTROLLER - Integral

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