AAT3110
MicroPower™ Regulated Charge Pump
Electrical Characteristics
T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= 25°C, C
FLY
= 1µF, C
IN
= 10µF, C
OUT
= 10µF.
Symbol
Description
Conditions
V
OUT
= 5.0V
2.7V < V
IN
< 5V, I
OUT
= 0mA, SHDN = V
IN
2.7V < V
IN
< 5V, I
OUT
≤
50mA
3.0V < V
IN
< 5V, I
OUT
≤
100mA
2.7V < V
IN
< 3.6V, I
OUT
= 0mA, V
SHDN
= 0
3.6V < V
IN
< 5V, I
OUT
= 0mA, V
SHDN
= 0
V
IN
= 2.7V, I
OUT
= 50mA
V
IN
= 3V, I
OUT
= 100mA
V
IN
= 2.7V, I
OUT
= 50mA
Oscillator Free Running
Min
2.7
4.8
4.8
Typ
Max
V
OUT
30
5.2
5.2
1
2.5
Units
V
µA
V
µA
mV
P-P
%
kHz
V
V
µA
µA
ms
mA
V
µA
V
µA
mV
P-P
%
kHz
V
V
µA
µA
ms
mA
AAT3110-5
V
IN
Input Voltage
I
Q
No Load Supply Current
1
V
OUT
I
SHDN
V
RIPPLE
η
Output Voltage
Shutdown Supply Current
Ripple Voltage
13
5.0
5.0
0.01
25
30
92
750
Efficiency
f
OSC
Frequency
V
IH
SHDN Input Threshold High
V
IL
SHDN Input Threshold Low
I
IH
SHDN Input Current High
I
IL
SHDN Input Current Low
t
ON
V
OUT
Turn-On Time
I
SC
Short-Circuit Current
2
AAT3110-4.5
V
IN
Input Voltage
I
Q
No Load Supply Current
3
V
OUT
I
SHDN
V
RIPPLE
η
f
OSC
V
IH
V
IL
I
IH
I
IL
t
ON
I
SC
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
2
1.4
SHDN = V
IN
SHDN = GND
V
IN
= 3V, I
OUT
= 0mA
V
IN
= 3V, V
OUT
= GND, SHDN = 3V
V
OUT
= 4.5V
2.7V < V
IN
< 4.5V, I
OUT
= 0mA, SHDN = V
IN
2.7V < V
IN
< 4.5V, I
OUT
≤
50mA
3.0V < V
IN
< 4.5V, I
OUT
≤
100mA
2.7V < V
IN
< 3.6V, I
OUT
= 0mA, V
SHDN
= 0
3.6V < V
IN
< 4.5V, I
OUT
= 0mA, V
SHDN
= 0
V
IN
= 2.7V, I
OUT
= 50mA
V
IN
= 3V, I
OUT
= 100mA
V
IN
= 2.7V, I
OUT
= 50mA
Oscillator Free Running
-1
-1
0.2
300
2.7
4.32
4.32
13
4.5
4.5
0.01
25
30
83
750
1.4
SHDN = V
IN
SHDN = GND
V
IN
= 3V, I
OUT
= 0mA
V
IN
= 3V, V
OUT
= GND, SHDN = 3V
-1
-1
0.2
300
0.3
1
1
V
OUT
30
4.68
4.68
1
2.5
0.3
1
1
1. V
OUT
is pulled up to 5.5V to prevent switching.
2. Under short-circuit conditions, the device may enter over-temperature protection mode.
3. V
OUT
is pulled up to 5.0V to prevent switching.
4
3110.2005.11.1.4
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
