AnalogicTech's Total Power Management IC鈩?/div>
(TPMIC鈩? product family. It is a MicroPower
switched capacitor voltage converter that delivers a
regulated output. No external inductor is required
for operation. Using three small capacitors, the
AAT3110 can deliver up to 100mA to the voltage
regulated output. The AAT3110 features very low
quiescent current and high efficiency over a large
portion of its load range, making this device ideal
for battery-powered applications. Furthermore, the
combination of few external components and small
package size keeps the total converter board area
to a minimum in space-restricted applications. The
AAT3110 operates in an output regulated voltage
doubling mode. The regulator uses a pulse skip-
ping technique to provide a regulated output from a
varying input supply. The AAT3110 contains a ther-
mal management circuit to protect the device
under continuous output short-circuit conditions.
The AAT3110 is available in a Pb-free, surface-
mount 6-pin SOT23 or 8-pin SC70JW package and
is rated over the -40擄C to +85擄C temperature range.
Features
鈥?/div>
鈥?/div>
ChargePump
鈩?/div>
SmartSwitch
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Step-Up Voltage Converter
Input Voltage Range:
鈥?AAT3110-5: 2.7V to 5V
鈥?AAT3110-4.5: 2.7V to 4.5V
MicroPower Consumption: 13碌A(chǔ)
Regulated 5V, 4.5V 鹵4% Output
5V Output Current:
鈥?100mA with V
IN
鈮?/div>
3.0V
鈥?50mA with V
IN
鈮?/div>
2.7V
4.5V Output Current:
鈥?100mA with V
IN
鈮?/div>
3.0V
鈥?50mA with V
IN
鈮?/div>
2.7V
Peak Current 250mA for 100ms
High Frequency 750kHz Operation
Shutdown Mode Draws Less Than 1碌A(chǔ)
Short-Circuit/Over-Temperature Protection
2kV ESD Rating
SC70JW-8 or SOT23-6 Package
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Cellular Phones
Digital Cameras
Handheld Electronics
LED/Display Backlight Driver
LEDs for Camera Flash
PDAs
Portable Communication Devices
Typical Application
AAT3110
V
OUT
C
OUT
VOUT
C+
1碌F
10碌F
GND
VIN
V
IN
C
IN
ON/OFF
SHDN
C-
10碌F
3110.2005.11.1.4
1
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