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FAN53600AUC33X 数据手册 - Fairchild（飞兆/仙童）
制造商:
Fairchild（飞兆/仙童）
分类:
DC/DC转换器
封装:
WLCSP-6
描述:
Fairchild Semiconductor### 非隔离直流/直流转换器，Fairchild Semiconductor
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FAN53600AUC33X数据手册
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March 2016
© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN53600 / FAN53610 • Rev. 1.4
FAN53600 / FAN53610 — 3MHz, 600mA / 1A Synchronous Buck Regulator
FAN53600 / FAN53610
3 MHz, 600 mA / 1A Synchronous Buck Regulator
Features
600 mA or 1 A Output Current Capability
26 µA Typical Quiescent Current
3 MHz Fixed-Frequency Operation
Best-in-Class Load Transient Response
Best-in-Class Efficiency
2.3 V to 5.5 V Input Voltage Range
Low Ripple Light-Load PFM Mode
Forced PWM and External Clock Synchronization
Internal Soft-Start
Input Under-Voltage Lockout (UVLO)
Thermal Shutdown and Overload Protection
Optional Output Discharge
6-Bump WLCSP, 0.4 mm Pitch
Applications
3G, 4G, WiFi
®
, WiMAX™, and WiBro
®
Data Cards
Tablets
DSC, DVC
Netbooks
®
, Ultra-Mobile PCs
All trademarks are the property of their respective owners.
Description
The FAN53600/10 is a 3 MHz step-down switching voltage
regulator, available in 600 mA or 1 A options, that delivers a
fixed output from an input voltage supply of 2.3 V to 5.5 V.
Using a proprietary architecture with synchronous
rectification, the FAN53600/10 is capable of delivering a
peak efficiency of 97%.
The regulator operates at a nominal fixed frequency of
3 MHz, which reduces the value of the external components
to as low as 1 µH for the output inductor and 10 µF for the
output capacitor. In addition, the Pulse-Width Modulation
(PWM) modulator can be synchronized to an external
frequency source.
At moderate and light-loads, Pulse Frequency Modulation
(PFM) is used to operate the device in Power-Save Mode
with a typical quiescent current of 26 µA. Even with such a
low quiescent current, the part exhibits excellent transient
response during large load swings. At higher loads, the
system automatically switches to fixed-frequency control,
operating at 3 MHz. In Shutdown Mode, the supply current
drops below 1 µA, reducing power consumption. For
applications that require minimum ripple or fixed frequency,
PFM Mode can be disabled using the MODE pin.
The FAN53600/10 is available in 6-bump, 0.4 mm pitch,
Wafer-Level Chip-Scale Package (WLCSP).
Figure 1. Typical Application
Ordering Information
Part Number
Output
Voltage
(1)
Max. Output
Current
Active
Discharge
(2)
Package
Temperature
Range
Packing
FAN53600AUC28X
2.8 V
600 mA
Yes
WLCSP-6,
0.4 mm Pitch
–40 to +85°C
Tape and
Reel
FAN53610AUC29X
2.9 V
1 A
Yes
FAN53610AUC30X
3.0 V
1 A
Yes
FAN53600AUC33X
3.3 V
600 mA
Yes
FAN53610AUC33X
3.3 V
1 A
Yes
Notes:
1. Other voltage options available on request. Contact a Fairchild representative.
2. All voltage and output current options are available with or without active discharge. Contact a Fairchild representative.
SW
MODE
GND
EN
L
1
C
IN
2
.
2
F
C
2
B
2
A
2
C
1
B
1
A
1
FB
F
C
OUT
VIN
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