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| AME7720 Datasheet, PDF (6/16 Pages) Asahi Kasei Microsystems – Step-Up/Step-Down 60mA Regulated Charge Pump | |||
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AME, Inc.
AME7720 / 7721
Step-Up/Step-Down
60mA Regulated Charge Pump
n Electrical Specifications(AME7720)
TA=-40OC to +85OC, VIN = VOUT/2+0.75V, IOUT = 5mA , CIN = COUT=2.2µF , CPUMP = 0.22 µF, VEN=1.3V
Typical Values are at TA=25OC.
Parameter
Symbol
Test Conditions
Min Typ Max Units
Input Voltage
Output Voltage
Quiescent Current
Output Current
Short Circuit Current Limit
Ripple Voltage1
Efficiency
Frequency
EN Input Threshold High
EN Input Threshold Low
EN Input Current High
EN Input Current Low
VOUT Turn-on time
Over Temperature Shutdown
Over Temperature Hysterisis
VIN
VOUT
IQ
IOUT
ISC
VRIPPLE
η
fOSC
VIH
VIL
IIH
II L
tON
OTS
OTH
VOUT = 5V
VOUT = 3.3V
IOUT <= 15mA, 2.7V < VIN < 5.5V
IOUT <= 60mA, 3.0V < VIN < 5.5V
IOUT <= 15mA, 1.8V < VIN < 5.5V
IOUT <= 60mA, 2.2V < VIN < 5.5V
1.8V < VIN < 5.5V,
IOUT = 0mA
1.8V < VIN < 5.5V,
EN = GND
TA=-40~+85oC
VOUT = 5V
VOUT = GND
VIN = 3V,
IOUT = 60mA
IOUT = 15mA,
VIN = 2.7V
Oscillator Free
Running
TA=25oC
EN = VIN
EN = GND
VIN = 3V,
IOUT = 60mA
TA=25oC
2.7
1.8
4.75 5
3.14 3.3
60
0.01
60
80
50
90
1.0
1.3
0.15
160
20
5.5
5.5
5.25
3.46
100
0.1
0.6
0.1
0.1
V
V
µA
mA
mA
mVp-p
%
MHz
V
V
µA
µA
ms
oC
Note 1: Effective series resistance (ESR) of capacitors is < 0.1â¦.
6
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