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AAT3111 Datasheet(PDF) 4 Page - Advanced Analog Technology, Inc.

Part # AAT3111
Description  MicroPower??Regulated Charge Pump
PDF  16 Pages
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT3111 Datasheet(HTML) 4 Page - Advanced Analog Technology, Inc.

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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
Conditions
Min
Typ
Max
Units
AAT3111-3.3
VIN
Input Voltage
VOUT = 3.3V
1.8
VOUT
V
IQ
No Load Supply Current1
1.8V < VIN < 3.3V, IOUT = 0mA, SHDN = VIN
20
30
µA
VOUT
Output Voltage
1.8V < VIN < 3.3V, IOUT = 20mA
3.17
3.30
3.43
V
2.5V < VIN < 3.3V, IOUT = 100mA
3.17
3.30
3.43
ISHDN
Shutdown Supply Current
1.8V < VIN < 3.3V, IOUT = 0mA, VSHDN = 0
0.01
1
µA
VRIPPLE
Ripple Voltage
VIN = 2.0V, IOUT = 50mA
20
mVP-P
η
Efficiency
VIN = 1.8V, IOUT = 25mA
91
%
fOSC
Frequency
Oscillator Free Running
750
kHz
VIH
SHDN Input Threshold High
1.4
V
VIL
SHDN Input Threshold Low
0.3
V
IIH
SHDN Input Current High
SHDN = VIN
-1
1
µA
IIL
SHDN Input Current Low
SHDN = GND
-1
1
µA
tON
VOUT Turn-On Time
VIN = 1.8V, IOUT = 0mA
0.2
ms
ISC
Short-Circuit Current2
VIN = 1.8V, VOUT = GND, SHDN = 3V
300
mA
AAT3111-3.6
VIN
Input Voltage
VOUT = 3.6V
1.8
VOUT
V
IQ
No Load Supply Current1
1.8V < VIN < 3.6V, IOUT = 0mA, SHDN = VIN
20
30
µA
VOUT
Output Voltage
2.0V < VIN < 3.6V, IOUT ≤ 20mA
3.46
3.6
3.74
V
3.0V < VIN < 3.6V, IOUT ≤ 100mA
3.46
3.6
3.74
ISHDN
Shutdown Supply Current
1.8V < VIN < 3.6V, IOUT = 0mA, VSHDN = 0
0.01
1
µA
VRIPPLE
Ripple Voltage
VIN = 2.5V, IOUT = 50mA
25
mVP-P
VIN = 3V, IOUT = 100mA
30
η
Efficiency
VIN = 2.0V, IOUT = 20mA
90
%
fOSC
Frequency
Oscillator Free Running
750
kHz
VIH
SHDN Input Threshold High
1.4
V
VIL
SHDN Input Threshold Low
0.3
V
IIH
SHDN Input Current High
SHDN = VIN
-1
1
µA
IIL
SHDN Input Current Low
SHDN = GND
-1
1
µA
tON
VOUT Turn-On Time
VIN = 1.8V, IOUT = 0mA
0.2
ms
ISC
Short-Circuit Current2
VIN = 1.8V, VOUT = GND, SHDN = 3V
300
mA
AAT3111
MicroPower™ Regulated Charge Pump
4
3111.2006.06.1.3
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.



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