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| AAT3111 Datasheet, PDF (4/16 Pages) Advanced Analogic Technologies – MicroPower™ Regulated Charge Pump | |||
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AAT3111
MicroPower⢠Regulated Charge Pump
Electrical Characteristics
TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C, CFLY = 1µF, CIN = 10µF,
COUT = 10µF.
Symbol Description
AAT3111-3.3
VIN
Input Voltage
IQ
No Load Supply Current1
VOUT
Output Voltage
ISHDN
VRIPPLE
η
Shutdown Supply Current
Ripple Voltage
Efficiency
fOSC
Frequency
VIH
SHDN Input Threshold High
VIL
SHDN Input Threshold Low
IIH
SHDN Input Current High
IIL
SHDN Input Current Low
tON
VOUT Turn-On Time
ISC
Short-Circuit Current2
AAT3111-3.6
VIN
Input Voltage
IQ
No Load Supply Current1
VOUT
Output Voltage
ISHDN Shutdown Supply Current
VRIPPLE Ripple Voltage
η
Efficiency
fOSC
Frequency
VIH
SHDN Input Threshold High
VIL
SHDN Input Threshold Low
IIH
SHDN Input Current High
IIL
SHDN Input Current Low
tON
VOUT Turn-On Time
ISC
Short-Circuit Current2
Conditions
VOUT = 3.3V
1.8V < VIN < 3.3V, IOUT = 0mA, SHDN = VIN
1.8V < VIN < 3.3V, IOUT = 20mA
2.5V < VIN < 3.3V, IOUT = 100mA
1.8V < VIN < 3.3V, IOUT = 0mA, VSHDN = 0
VIN = 2.0V, IOUT = 50mA
VIN = 1.8V, IOUT = 25mA
Oscillator Free Running
SHDN = VIN
SHDN = GND
VIN = 1.8V, IOUT = 0mA
VIN = 1.8V, VOUT = GND, SHDN = 3V
VOUT = 3.6V
1.8V < VIN < 3.6V, IOUT = 0mA, SHDN = VIN
2.0V < VIN < 3.6V, IOUT ⤠20mA
3.0V < VIN < 3.6V, IOUT ⤠100mA
1.8V < VIN < 3.6V, IOUT = 0mA, VSHDN = 0
VIN = 2.5V, IOUT = 50mA
VIN = 3V, IOUT = 100mA
VIN = 2.0V, IOUT = 20mA
Oscillator Free Running
SHDN = VIN
SHDN = GND
VIN = 1.8V, IOUT = 0mA
VIN = 1.8V, VOUT = GND, SHDN = 3V
Min
1.8
3.17
3.17
1.4
-1
-1
1.8
3.46
3.46
1.4
-1
-1
Typ
20
3.30
3.30
0.01
20
91
750
0.2
300
20
3.6
3.6
0.01
25
30
90
750
0.2
300
Max
VOUT
30
3.43
3.43
1
0.3
1
1
VOUT
30
3.74
3.74
1
0.3
1
1
Units
V
µA
V
µA
mVP-P
%
kHz
V
V
µA
µA
ms
mA
V
µA
V
µA
mVP-P
%
kHz
V
V
µA
µA
ms
mA
1. Under short-circuit conditions, the device may enter over-temperature protection mode.
2. IQ = IVIN + IVOUT. VOUT is pulled up to 3.8V to prevent switching.
4
3111.2006.06.1.3
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