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FAN53525UC96X датащи(PDF) 1 Page - Fairchild Semiconductor

номер детали FAN53525UC96X
подробное описание детали  3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
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производитель  FAIRCHILD [Fairchild Semiconductor]
домашняя страница  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN53525UC96X датащи(HTML) 1 Page - Fairchild Semiconductor

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July 2014
© 2012 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN53525 • Rev. 1.0.1
FAN53525
3.0A, 2.4MHz, Digitally Programmable TinyBuck® Regulator
Features
Fixed-Frequency Operation: 2.4 MHz
Best-in-Class Load Transient
Continuous Output Current Capability: 3.0 A
2.5 V to 5.5 V Input Voltage Range
Digitally Programmable Output Voltage:
- 0.600 V to 1.39375 V in 6.25 mV Steps
Programmable Slew Rate for Voltage Transitions
I2C-Compatible Interface Up to 3.4 Mbps
PFM Mode for High Efficiency in Light Load
Quiescent Current in PFM Mode: 50 µA (Typical)
Input Under-Voltage Lockout (UVLO)
Thermal Shutdown and Overload Protection
15-Bump Wafer-Level Chip Scale Package (WLCSP)
Applications
Application, Graphic, and DSP Processors
-
ARM™, Tegra™, OMAP™, NovaThor™,
ARMADA™, Krait™, etc.
Hard Disk Drives, LPDDR3
Tablets, Netbooks, Ultra-Mobile PCs
Smart Phones
Gaming Devices
All trademarks are the property of their respective owners.
Description
The FAN53525 is a step-down switching voltage regulator
that delivers a digitally programmable output from an input
voltage supply of 2.5 V to 5.5 V. The output voltage is
programmed through an I
2C interface capable of operating
up to 3.4 MHz.
Using
a
proprietary
architecture
with
synchronous
rectification, the FAN53525 is capable of delivering 3.0 A
continuous at over 80% efficiency, maintaining that efficiency
at load currents as low as 10 mA. The regulator operates at
a nominal fixed frequency of 2.4 MHz, which reduces the
value of the external components to 330 nH for the output
inductor and as low as 20 µF for the output capacitor.
Additional output capacitance can be added to improve
regulation during load transients without affecting stability,
allowing inductance up to 1.2 µH to be used.
At moderate and light loads, Pulse Frequency Modulation
(PFM) is used to operate in Power-Save Mode with a typical
quiescent current of 50 µA at room temperature. 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 2.4 MHz. In Shutdown Mode, the supply current
drops below 1 µA, reducing power consumption. PFM Mode
can be disabled if fixed frequency is desired. The FAN53525
is available in a 15-bump, 1.310 mm x 2.015 mm, 0.4 mm
ball pitch WLCSP.
Figure 1.
Typical Application


Аналогичный номер детали - FAN53525UC96X

производительномер деталидатащиподробное описание детали
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ON Semiconductor
FAN53525UC96X ONSEMI-FAN53525UC96X Datasheet
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   3.0A, 2.4MHz, Digitally Programmable TinyBuck Regulator
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Аналогичное описание - FAN53525UC96X

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