PWM and ULDO Controller Combination

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Overview

The FAN5069 combines a high efficiency Pulse-Width-Modulated PWM controller and a LDO (Low DropOut) linear regulator controller. Synchronous rectification provides high efficiency over a wide range of load currents. Efficiency is further enhanced by using the low-side MOSFET's RDS(ON) to sense current.
Both the linear and PWM regulator soft-start are controlled by a single external capacitor, to limit in-rush current from the supply when the regulators are first enabled. Current limit for PWM is also programmable.
The PWM regulator employs a Summing-Current-Mode control with external compensation to achieve fast load transient response and provide system design optimization.
FAN5069 is offered in both industrial temperature grade (-40°C to +85°C) as well as commercial temperature grade (-10°C to +85°C).

  • TBA
  • General Purpose PWM Regulator and LDO Controller
  • Input Voltage Range: 3 V to 24 V
  • Output Voltage Range: 0.8V to 15V- VCC- 5V
  • Shunt Regulator for 12 V Operation
  • Support for Ceramic Cap on PWM Output
  • Programmable Current Limit for PWM Output
  • Programmable Switching Frequency (200 KHz to 600 KHz)
  • RDS(ON) Current Sensing
  • Internal Synchronous Boot Diode
  • Soft-Start for both PWM and LDO
  • Multi-Fault protection with Optional Auto-restart

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FAN5069EMTCX

Active

Pb

A

H

P

TSSOP-16

1

260

REEL

2500

N

Step-Down

-

-

-

-

-

$0.6776

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FAN5069MTCX

Active

Pb

A

H

P

TSSOP-16

1

260

REEL

2500

N

Step-Down

-

-

-

-

-

$0.708

More Details

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