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FAN5232

Features: • Three outputs: Adjustable Buck, 3.3V-Always, 5V-Always• Adjustable synchronous switcher, 5V 80% Vin • 1% internal reference precision • Current mode with voltage feed-forward • Precision current limit option• Charge pump works at all loads• No...

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SeekIC No. : 004340404 Detail

FAN5232: Features: • Three outputs: Adjustable Buck, 3.3V-Always, 5V-Always• Adjustable synchronous switcher, 5V 80% Vin • 1% internal reference precision • Current mode with voltage...

FAN5232 Data Sheet

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Part Number:
FAN5232
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Three outputs: Adjustable Buck, 3.3V-Always, 5V-Always
• Adjustable synchronous switcher, 5V 80% Vin
• 1% internal reference precision
• Current mode with voltage feed-forward
• Precision current limit option
• Charge pump works at all loads
• No shoot-through current
• Independent shutdown pins for ACPI
• Power Good, input UVLO, output OV
• 5.6V to 24V input voltage range


Application

• LCD PCs
• Notebook PCs and PDAs
• Hand-held portable instruments


Pinout

Connection Diagram


Specifications

Parameter Conditions Min. Typ. Max. Units
VBATT Pin   -0.3   29 V
PHASE, IFB, SDWN Pins   5   29 V
CPUMP, HSD Pins   -0.3   34 V
All Other Pins   -0.3   6.5 V
Thermal Resistance, J-A
J-C		     100
32		   °C/W
°C/W
°C/W
Junction Temperature       150 °C
Storage Temperature   -65   150 °C
Lead Temperature, Soldering 10 sec.       300 °C



Description

The FAN5232 is a high efficiency and high precision DC/DC controller for PCs. It has a synchronous switcher whoseoutput can be adjusted from 5V up to 80% of Vin. It also has two linear regulators for standby, 3.3V and 5V. The PWMutilizes both input and output voltage feedback in acurrent-mode control, allowing for fast and stable loop response over a wide range of input and output variations.  Synchronous switching provides best efficiency over a wide ange of loads. Current sense based on MOSFET RDS,on gives maximum efficiency, while also permitting use of an optional sense resistor for high precision.

The FAN5232 is available in a 14 pin TSSOP package.




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