AAT3111
MicroPower™ Regulated Charge Pump
Electrical Characteristics
(T
A
= -40 to 85°C unless otherwise noted.
C
FLY
=1µF, C
IN
=10µF, C
OUT
=10µF)
AAT3111-3.6
Symbol
V
IN
I
Q
V
OUT
I
SHDN
V
RIPPLE
η
f
OSC
V
IH
V
IL
I
IH
I
IL
t
ON
I
SC
Typical values are at T
A
=25°C,
Description
Input Voltage
No Load Supply Current
Output Voltage
Shutdown Supply Current
Ripple Voltage
Efficiency
Frequency
SHDN Input Threshold High
SHDN Input Threshold Low
SHDN Input Current High
SHDN Input Current Low
V
OUT
Turn-on time
Short-circuit current
4
5
Conditions
V
OUT
=3.6V
1.8V < V
IN
< 3.6V, I
OUT
=0mA, SHDN=V
IN
2.0V < V
IN
< 3.6V, I
OUT
≤
20mA
3.0V < V
IN
< 3.6V, I
OUT
≤
100mA
1.8V < V
IN
< 3.6V, I
OUT
=0mA, V
SHDN
=0
V
IN
= 2.5V, I
OUT
= 50mA
V
IN
= 3V, I
OUT
= 100mA
V
IN
= 2.0V, I
OUT
= 20mA
Oscillator Free Running
Min
1.8
3.46
3.46
Typ
20
3.6
3.6
0.01
25
30
90
750
Max
V
OUT
30
3.74
3.74
1
Units
V
µA
V
V
µA
mV
P-P
%
kHz
V
V
µA
µA
ms
mA
1.4
SHDN = V
IN
SHDN = GND
V
IN
= 1.8V, I
OUT
= 0mA
V
IN
= 1.8V, V
OUT
= GND, SHDN = 3V
-1
-1
0.2
300
0.3
1
1
Note 4: Under short-circuit conditions, the device may enter overtemperature protection mode.
Note 5: I
Q
= I
VIN
+ I
VOUT
. V
OUT
is pulled up to 4.1V to prevent switching.
4
3111.2002.3.0.91
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
