AME, Inc.
AME7720 / 7721
n
Electrical Specifications(AME7720)
T
A
=-40
O
C to +85
O
C, V
IN
= V
OUT
/2+0.75V, I
OUT
= 5mA , C
IN
= C
OUT
=2.2µF , C
PUMP
= 0.22
µF,
V
EN
=1.3V
Typical Values are at T
A
=25
O
C.
Parameter
Input Voltage
Symbol
V
IN
Test Conditions
V
OUT
= 5V
V
OUT
= 3.3V
I
OUT
<= 15mA, 2.7V < V
IN
< 5.5V
Output Voltage
V
OUT
I
OUT
<= 60mA, 3.0V < V
IN
< 5.5V
I
OUT
<= 15mA, 1.8V < V
IN
< 5.5V
I
OUT
<= 60mA, 2.2V < V
IN
< 5.5V
1.8V < V
IN
< 5.5V,
Quiescent Current
I
Q
I
OUT
= 0mA
1.8V < V
IN
< 5.5V,
EN = GND
T
A
=-40~+85
o
C
0.01
60
80
50
T
A
=25
o
C
90
1.0
1.3
0.6
EN = V
IN
EN = GND
V
IN
= 3V,
I
OUT
= 60mA
T
A
=25
o
C
0.15
160
20
0.1
0.1
0.1
mA
mA
mVp-p
%
MHz
V
V
µA
µA
ms
o
Step-Up/Step-Down
60mA Regulated Charge Pump
Min
2.7
1.8
4.75
Typ
Max
5.5
5.5
Units
V
5
5.25
V
3.14
3.3
60
3.46
100
µA
Output Current
Short Circuit Current Limit
Ripple Voltage
1
Efficiency
Frequency
EN Input Threshold High
EN Input Threshold Low
EN Input Current High
EN Input Current Low
V
OUT
Turn-on time
Over Temperature Shutdown
Over Temperature Hysterisis
I
OUT
I
SC
V
RIPPLE
η
f
OSC
V
IH
V
IL
I
IH
I
IL
t
ON
OTS
OTH
V
OUT
= 5V
V
OUT
= GND
V
IN
= 3V,
I
OUT
= 60mA
I
OUT
= 15mA,
V
IN
= 2.7V
Oscillator Free
Running
C
Note 1: Effective series resistance (ESR) of capacitors is < 0.1Ω.
6
AKM [ ASAHI KASEI MICROSYSTEMS ]
