FAN5009 Fairchild Semiconductor, FAN5009 Datasheet
FAN5009
Manufacturer Part Number
FAN5009
Description
Dual Bootstrapped 12V MOSFET Driver
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN5009.pdf
(13 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
FAN5009ECI
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Part Number:
FAN5009M
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Company:
Part Number:
FAN5009M-C1
Manufacturer:
TI
Quantity:
340
Part Number:
FAN5009MX
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Company:
Part Number:
FAN5009MX/M/
Manufacturer:
perkinElmer
Quantity:
312
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Features
• Drives N-channel High-Side and Low-Side MOSFETs in
• 12V High-Side and 12V Low-Side Drive
• Internal Adaptive “Shoot-Through” Protection
• Integrated Bootstrap Diode for High-Side Drive
• Fast rise and fall times
• Switching Frequency Up to 500kHz
• OD input for Output Disable – allows for synchronization
• SOIC-8 Package
• Available in low thermal resistance MLP package
Applications
• Multi-phase VRM/VRD regulators for Microprocessor
• High Current/High Frequency DC/DC Converters
• High Power Modular Supplies
Typical Application
FAN5009
Dual Bootstrapped 12V MOSFET Driver
a synchronous buck configuration
with PWM controller
Power
OD
PWM
2
3
PROTECTION
OVERLAP
CIRCUIT
FAN5009
Figure 1. Typical Application.
VCC
General Description
The FAN5009 is a dual, high frequency MOSFET driver,
specifically designed to drive N-Channel power MOSFETs
in a synchronous-rectified buck converter. These drivers,
combined with a Fairchild Multi-Phase PWM controller and
power MOSFETs, form a complete core voltage regulator
solution for advanced microprocessors.
The FAN5009 drives the upper and lower MOSFET gates of
a synchronous buck regulator to 12V
drive includes an integrated boot diode and requires only an
external bootstrap capacitor (C
the FAN5009 have the capacity to efficiently switch power
MOSFETs at frequencies up to 500kHz. The circuit’s
adaptive shoot-through protection prevents the MOSFETs
from conducting simultaneously.
The FAN5009 is rated for operation from 0°C to +85°C and
is available in low-cost SOIC-8 or MLP packages.
4
1
8
7
5
6
VCC
BOOT
HDRV
SW
LDRV
PGND
Q1
Q2
12V
C
C
BOOT
VCC
L1
www.fairchildsemi.com
BOOT
). The output drivers in
GS
V
C
. The upper gate
OUT
OUT
REV. 1.0.5 7/22/04
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