FAN5234 Datasheet - Fairchild Semiconductor

FAN5234, Mobile-Friendly PWM/PFM Controller

www.fairchildsemi.com FAN5234 Mobile-Friendly PWM/PFM Controller .
The FAN5234 PWM controller provides high efﬁciency and regulation with an adjustable output from 0.

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Datasheet Details

Part number:

FAN5234

Manufacturer:

Fairchild Semiconductor

File Size:

138.82 KB

Description:

Mobile-Friendly PWM/PFM Controller

Features

* Wide input voltage range (2 to 24V) for Mobile systems
* Excellent dynamic response with Voltage Feed-Forward and Average Current Mode control
* Lossless current sensing on low-side MOSFET or precision over-current using sense resistor
* VCC Under-voltage Lockout

Applications

* Mobile PC regulator
* Hand-Held PC power Typical Application VIN (BATTERY) = 2 to 24V 1 VCC VIN BOOT C1 D1 +5 C5 L1 Q1B 10 9 12 LDRV PGND ISNS VSEN VOUT 15 C2 +5 C4 11 FAN5234 R5 14 ILIM EN SS1 4 3 7 16 8 6 2 5 13 SW Q1A HDRV 1.8V@3.5A C6 R1 R3 C3 +5 R4 FPWM AGND PGOOD R

FAN5234 Distributors

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FAN5234 Mobile-Friendly PWM PFM Controller Fairchild Semiconductor

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