AAT3111
MicroPower™ Regulated Charge Pump
Electrical Characteristics (TA = -40 to 85°C unless otherwise noted. Typical values are at TA=25°C,
CFLY=1µF, CIN=10µF, COUT=10µF)
AAT3111-3.6
Symbol Description
Conditions
Min
Typ Max Units
VIN
IQ
Input Voltage
VOUT=3.6V
1.8
VOUT
30
V
µA
V
5
No Load Supply Current
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
20
3.6
3.6
0.01
25
3.46
3.46
3.74
3.74
1
VOUT
ISHDN
Output Voltage
V
Shutdown Supply Current
Ripple Voltage
µA
VIN = 2.5V, IOUT = 50mA
VRIPPLE
mVP-P
VIN = 3V, IOUT = 100mA
VIN = 2.0V, IOUT = 20mA
Oscillator Free Running
30
η
Efficiency
90
ꢀ
kHz
V
fOSC
VIH
VIL
IIH
Frequency
750
SHDN Input Threshold High
SHDN Input Threshold Low
SHDN Input Current High
SHDN Input Current Low
VOUT Turn-on time
1.4
0.3
1
V
SHDN = VIN
-1
-1
µA
µA
ms
mA
IIL
SHDN = GND
1
tON
ISC
VIN = 1.8V, IOUT = 0mA
VIN = 1.8V, VOUT = GND, SHDN = 3V
0.2
4
Short-circuit current
300
Note 4: Under short-circuit conditions, the device may enter overtemperature protection mode.
Note 5: IQ = IVIN + IVOUT. VOUT is pulled up to 4.1V to prevent switching.
4
3111.2002.3.0.91
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
