AME, Inc.
AME7730
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.
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 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 -40
O
C to 85
O
C.
100mA Regulated Charge Pump
n
Functional Block Diagram
V
IN
φ2
C-
C+
φ1
φ1
φ2
V
OUT
φ1
φ2
EA
EN
Control
GND
n
Features
l
l
l
l
l
l
l
l
Input Voltage Range: 2.7V to 5V
Accurate to with ±4%
Output Current: 100mA with V
IN
>= 3.0V
50mA with V
IN
>= 2.7V
1MHz Switching Frequency
Shutdown Mode < 1µA
Short Circuit Protection
Over Temperature Protection
All AME's Lead Free Product Meet RoHS
Standards
n
Typical Application
C+
C
FLY
= 1µF
3.0V to 5V
V
IN
V
IN
V
OUT
5V / 100mA
V
OUT
C
OUT
=10µF
AME
7730
GND
C
IN
=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, Inc.
AME7730
n
Pin Configuration
SOT-26 / TSOT-26
Front View
6
5
4
100mA Regulated Charg Pump
AME7730AEEY
1. OUT
2. GND
3. EN
4. C-
5. IN
6. C+
*
Die Attach:
Conductive Epoxy
AME7730
1
2
3
n
Pin Description
Pin Number
1
2
3
4
5
6
Pin Name
OUT
GND
EN
C-
IN
C+
Description
Regulator Output Pin.
V
OUT
should be bypassed with a 10
µ
F low ESR ceramic capacitor
Ground Pin Connection
Enable Input.
Active Low disable the regulator
Pump Capacitor Negative Terminal
Input Supply Pin.
V
IN
should be bypassed with a 10
µ
F low ESR ceramic capacitor
Pump Capacitor Positive Terminal
2
Rev.A.01
AME, Inc.
AME7730
n
Ordering Information
AME7730 x x x x xxx x
Special Feature
Output Voltage
Number of Pins
Package Type
Operating Ambient Temperature Range
Pin Configuration
Number
of
Pins
Y: 6
100mA Regulated Charge Pump
Pin
Configuration
Operating Ambient
Temperature Range
Package
Type
Output
Voltage
Special Feature
A
(SOT-26)
(TSOT-26)
1. OUT
2. GND
3. EN
4. C-
5. IN
6. C+
E: -40
O
C to 85
O
C
E: SOT-2X
500: V = 5V
Z: Lead free
Y: Lead free & Low profile
n
Ordering Information
Part Number
AME7730AEEY500Y
AME7730AEEY500Z
Marking*
BCAww
BCAww
Output Voltage
5V
5V
Package
TSOT-26
SOT-26
Operating Ambient
Temperature Range
- 40
o
C to 85
o
C
- 40
o
C to 85
o
C
Note: ww represents date code and pls refer Date Code Rule on Package Dimension.
* A line on top of the first letter represents lead free plating such as BCA
Please consult AME sales office or authorized Rep./Distributor for the availability of output voltage and package type.
Rev.A.01
3
AME, Inc.
AME7730
n
Absolute Maximum Ratings
Parameter
Input Voltage, Output Voltage, C-, C+
EN
ESD Classification
100mA Regulated Charg Pump
Maximum
-0.3 to 5.5
Unit
V
-0.3 to V
IN
+ 0.3
B*
Note : Caution: Stress above the listed in absolute maximum ratings may cause permanent damage to the device.
* HBM B: 2000V ~ 3999V
n
Recommended Operating Conditions
Parameter
Ambient Temperature Range
Junction Temperature Range
Storage Temperature Range
Symbol
T
A
T
J
T
STG
Rating
- 40 to 85
- 40 to 125
- 65 to 150
Unit
o
C
C
C
o
o
n
Thermal Information
Parameter
Thermal Resistance*
(Junction to Case)
Thermal Resistance
(Junction to Ambient)
Internal Power Dissipation
Solder Iron (10 Sec)**
SOT-26
TSOT-26
Conductive Epoxy
Package
Die Attach
Symbol
θ
JC
θ
JA
Maximum
81
Unit
o
C/W
260
P
D
400
350
mW
o
C
* Measure
θ
JC
on center of molding compound if IC has no tab.
** MIL-STD-202G 210F
4
Rev.A.01
AME, Inc.
AME7730
n
Electrical Characteristics
V
IN
= V
EN
= 3V, C
pump
= 1µF, C
IN
= 10µF, C
OUT
= 10µF, Typical values are at T
A
= 25
o
C, unless otherwise noted.
Parameter
Input Voltage
Symbol
V
IN
Test Conditions
V
OUT
= 5.0V
I
OUT
<= 50mA, 2.7V < V
IN
< 5V
Output Voltage
V
OUT
I
OUT
<= 100mA, 3.0V < V
IN
< 5V
Quiescent Current
I
Q
2.7V < V
IN
< 5V, I
OUT
= 0mA, V
EN
= V
IN
2.7V < V
IN
< 3.6V, I
OUT
= 0mA, V
EN
= 0
Shutdown Current
I
SHDN
3.6V < V
IN
< 5V, I
OUT
= 0mA, V
EN
= 0
Short Circuit Current Limit
I
SC
V
IN
= V
EN
= 3V, V
OUT
= GND
V
IN
= 2.7V, I
OUT
= 50mA, V
OUT
= 5V
Ripple Voltage
1
100mA Regulated Charge Pump
Min
2.7
4.8
4.8
Typ
Max
5
Units
V
5
5
60
0.01
5.2
V
5.2
100
1
µ
A
2.5
µ
A
300
25
mA
V
RIPPLE
V
IN
= 3V, I
OUT
= 100mA, V
OUT
= 5V
30
90
1.0
1.3
0.6
V
EN
= V
IN,
V
EN
= GND
160
20
0.1
η
f
OSC
V
EH
V
EL
I
EN
OTS
OTH
mVp-p
Efficiency
Frequency
EN Input Threshold High
EN Input Threshold Low
EN Input Current
Over Temperature Shutdown
Over Temperature Hysterisis
V
IN
= 2.7V, I
OUT
= 50mA, V
OUT
= 5V
Oscillator Free Running
%
MHz
V
V
µ
A
o
C
C
o
Note 1: Effective series resistance (ESR) of capacitors is < 0.1Ω.
Rev.A.01
5
微控制器 MCU
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
