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FAN2013 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. FAN2013
Description  2A Low-Voltage Current-Mode Synchronous PWM Buck Regulator
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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FAN2013 Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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November 2006
© 2006 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN2013 Rev. 1.0.0
FAN2013
2A Low-Voltage Current-Mode Synchronous
PWM Buck Regulator
Features
95% Efficiency, Synchronous Operation
Adjustable Output Voltage from 0.8V to VIN
4.5V to 5.5V Input Voltage Range
Up to 2A Output Current
Fixed-Frequency 1.3MHz PWM Operation
100% Duty Cycle, Low-Dropout Operation
Soft-Start Function
Excellent Load Transient Response
Power-Good Flag
Over-Voltage, Under-Voltage Lockout, Short-Circuit,
and Thermal Shutdown Protections
3x3mm 6-lead MLP Package
Applications
Hard Disk Drive
Set-Top Box
Point-of-Load Power
Notebook Computer
Communications Equipment
Description
The FAN2013 is a high-efficiency, low-noise synchro-
nous PWM current mode DC-DC converter designed for
low-voltage applications. It provides up to 2A continuous
load current from the 4.5V to 5.5V input. The output volt-
age is adjustable over a wide range of 0.8V to VIN by
means of an external voltage divider.
The FAN2013 is enabled when the input voltage on the
VIN pin exceeds the UVLO threshold.
A current-mode control loop with a fast transient
response ensures excellent line and load regulation. The
fixed 1.3MHz switching frequency enables designers to
choose a small, inexpensive external inductor and
capacitor. Filtering can be accomplished with small com-
ponents, reducing space and cost.
Protection features include input under-voltage lockout,
short-circuit protection, and thermal shutdown. Soft-start
limits in-rush current during start-up conditions.
The device is available in a 3x3mm 6-lead MLP.
Typical Application
Figure 1. Typical Application
Ordering Information
1
2
3
6
5
4
FB
PGND
SW
PVIN
VIN
PG
P1
(AGND)
L1
R2
R1
+5V
VOUT
40µF
2.2µH
10µF
10K
Part Number
Output Voltage
Pb-Free
Package Type
Packing Method
FAN2013MPX
0.8V - VIN
Yes
MLP-6 3x3mm
Tape and Reel


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