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AME

AME7730 Datasheet Preview

AME7730 Datasheet

100mA Regulated Charge Pump

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AME, Inc.
AME7730
100mA Regulated Charge Pump
n General Description
The AME7730 is a charge pump voltage doublers that
delivers a regulated output. No external inductor is re-
quired for operation. Using three small capacitors, the
AME7730 can deliver up to 100mA to the voltage regu-
lated output. The AME7730 features very low output ripple
and high efficiency over a large portion of its load range
making this device ideal for battery-powered applications.
www.DaFtuarSthheeermt4oUr.ceo, tmhe combination of few external components
and small package size keeps the total converter board
area to a minimum in space restricted applications.
The AME7730 contains a thermal management circuit
to protect the device under continuous output short cir-
cuit conditions.
The AME7730 is available in SOT-26 / TSOT-26 pack-
age and is rated from -40OC to 85OC.
n Features
l Input Voltage Range: 2.7V to 5V
l Accurate to with ±4%
l Output Current: 100mA with V >= 3.0V
IN
50mA with V >= 2.7V
IN
l 1MHz Switching Frequency
l Shutdown Mode < 1µA
l Short Circuit Protection
l Over Temperature Protection
l All AME's Lead Free Product Meet RoHS
Standards
n Functional Block Diagram
VIN
φ2
C-
C+
φ1
φ1
φ1 φ2
EN
Control
φ2
EA
VOUT
GND
n Typical Application
CFLY = 1µF
3.0V to 5V
VIN
C+ VOUT
AME
VIN 7730 GND
5V / 100mA
VOUT
COUT=10µF
CIN=10µF
C- EN ON OFF
n Applications
l Cellular Phones
l Digital Cameras
l PDAs LCD displays
l LED / Display Back Light Driver
l LEDs for Comera Flash
Rev.A.01
1




AME

AME7730 Datasheet Preview

AME7730 Datasheet

100mA Regulated Charge Pump

No Preview Available !

AME, Inc.
AME7730
n Pin Configuration
SOT-26 / TSOT-26
Front View
6 54
AME7730
www.DataSheet4U.com
1
2
3
AME7730AEEY
1. OUT
2. GND
3. EN
4. C-
5. IN
6. C+
* Die Attach:
Conductive Epoxy
100mA Regulated Charg Pump
n Pin Description
Pin Number
1
2
3
4
5
6
Pin Name
OUT
GND
EN
C-
IN
C+
Description
Regulator Output Pin.
VOUT should be bypassed with a 10µF low ESR ceramic capacitor
Ground Pin Connection
Enable Input.
Active Low disable the regulator
Pump Capacitor Negative Terminal
Input Supply Pin.
VIN should be bypassed with a 10µF low ESR ceramic capacitor
Pump Capacitor Positive Terminal
2 Rev.A.01


Part Number AME7730
Description 100mA Regulated Charge Pump
Maker AME
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AME7730 Datasheet PDF






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