FAN5069

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PWM and ULDO Controller Combo

General Description

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).

Product Status/Pricing/Packing

Product Product Status Eco Status *Pricing Package Type Leads Packing Method Package Drawing **Package Marking Convention RoHS IPC1752 RoHS/REACH/JIG Certificate of Compliance
FAN5069EMTCX Full Production Green as of Jul 2011 $0.84 TSSOP 16 TAPE REEL PDF Line 1:$Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code) &K
Line 2:5069E
Line 3:C1
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FAN5069MTCX Full Production Green as of Jun 2011 $0.81 TSSOP 16 TAPE REEL PDF Line 1:$Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code) &K
Line 2:5069
Line 3:C1
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Features

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

Applications

  • TBA

Application Notes

Multilanguage - Chinese Multilanguage - English Multilanguage - Japanese Multilanguage - Korean