鈥?/div>
> 85% Peak Ef鏗乧iency
Low EMI
Low Ripple
Output Voltage 1.3V/1.8V
Input Voltage Range: 2.2V to 5.5V
Output Current: Up to 250mA
鹵2.5% Output Voltage Accuracy
30
碌
A Operating Current
I
CC
< 1
碌
A in Shutdown Mode
2MHz Operating Frequency
Shutdown Isolates Output from Input
Soft-Start Limits Inrush Current
Short Circuit and Over Temperature Protection
Minimum External Component Count
6-Lead 3x3mm MLP Package
Description
The FAN5601 is an advanced third generation switched
capacitor step down DC/DC converter utilizing Fairchild鈥檚
proprietary ScalarPump鈩?technology. This innovative archi-
tecture utilizes scalar switch re-con鏗乬uration and fractional
switching techniques to produce low output ripple, low ESR
spikes and improve ef鏗乧iency over a wide load range.
The FAN5601 produces a 鏗亁ed regulated output from 2.2V
to 5V input voltage. Customized output voltages are avail-
able in 100mV increments from 1V to 1.8V. Contact market-
ing for customized outputs.
In order to maximize ef鏗乧iency, the FAN5601 achieves
regulation by skipping pulses. Depending upon load current,
the size of the switches is scaled dynamically, consequently,
current spikes and EMI are minimized. An internal soft start
circuitry prevents excessive current drawn from the supply.
The device is internally protected against short circuit and
over temperature conditions.
The FAN5601 is available in 6-lead 3x3mm MLP.
ScalarPump
鈩?/div>
is a registered trademark of Fairchild Semiconductor Corporation.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Cell Phones
Handheld Computers
Portable Electronic Equipment
Core Supply to Next Generation Processors
Low Voltage DC Bus
Digital Cameras
DSP Supplies
Typical Application
C
B
= 1碌F
V
IN
C
IN
= 10碌F
FAN5601
INPUT 2.2V to 5.5V
C+
C-
V
OUT
OUTPUT 1.0V t o 1.8V
ENABLE GND
C
OUT
= 10碌F
REV. 1.0.4 4/4/05
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