Datasheet Details
- Part number
- FAN5234
- Manufacturer
- Fairchild Semiconductor
- File Size
- 138.82 KB
- Datasheet
- FAN5234_FairchildSemiconductor.pdf
- Description
- Mobile-Friendly PWM/PFM Controller
FAN5234 Description
www.fairchildsemi.com FAN5234 Mobile-Friendly PWM/PFM Controller .
The FAN5234 PWM controller provides high efficiency and regulation with an adjustable output from 0.
FAN5234 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
FAN5234 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
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