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PDF FAN2013 Data sheet ( Hoja de datos )
| Número de pieza | FAN2013 | |
| Descripción | Low-Voltage Current-Mode Synchronous PWM Buck Regulator | |
| Fabricantes | Fairchild Semiconductor | |
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Hay una vista previa y un enlace de descarga de FAN2013 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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FAN2013
2A Low-Voltage Current-Mode Synchronous
PWM Buck Regulator
November 2006
Features
Description
■ 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
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-
Applications
■ Hard Disk Drive
■ Set-Top Box
ponents, reducing space and cost.
Protection features include input under-voltage lockout,
short-circuit protection, and thermal shutdown. Soft-start
limitswww.DataSheet4U.com in-rush current during start-up conditions.
■ Point-of-Load Power
The device is available in a 3x3mm 6-lead MLP.
■ Notebook Computer
■ Communications Equipment
Typical Application
+5V
PG
6
VIN 5
PVIN 4
10µF
P1
(AGND)
1 FB
10K
PGND
R2
2
SW L1
3
2.2µH
R1
VOUT
40µF
Figure 1. Typical Application
Ordering Information
Part Number
FAN2013MPX
Output Voltage
0.8V - VIN
Pb-Free
Yes
Package Type
MLP-6 3x3mm
Packing Method
Tape and Reel
© 2006 Fairchild Semiconductor Corporation
FAN2013 Rev. 1.0.0
www.fairchildsemi.com
1 page  
Typical Performance Characteristics
TA = 25°C, CIN = 10µF, COUT = 40µF, L = 2.2µH, VIN = 5V, VOUT = 1.2V unless otherwise noted.
Figure 4. Start-up with 100mA Resistive Load
Figure 5. Start-up with 2A Resistive Load
Figure 6. Load Transient Response 1.5A to 100mA
Figure 7. Load Transient Response 100mA to 1.5A
Figure 8. Output Voltage Regulation
© 2006 Fairchild Semiconductor Corporation
FAN2013 Rev. 1.0.0
5
Figure 9. Power Efficiency
www.fairchildsemi.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet FAN2013.PDF ] | |
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