AAT3190
Positive/Negative Charge Pump for Voltage Bias
Typical Characteristics
Quiescent Current vs. Temperature
350
1000
Switching Frequency vs. Temperature
Quiescent Current (µA)
310
290
270
250
-40
-15
10
35
60
85
Frequency (kHz)
330
V
FBP
= 1.5V
V
FBN
= -0.2V
950
900
850
800
-40
-15
10
35
60
85
Temperature (°C)
Temperature (°C)
°
Reference Voltage vs. Temperature
1.22
Maximum V
OUT
vs. V
IN
(I
OUT
= 5mA and 15mA)
15
12.5
10
7.5
5
2.5
0
-2.5
-5
-7.5
-10
-12.5
-15
2.5
Reference Voltage (V)
1.21
Output Voltage (V)
I
OP
= 5mA
I
OP
= 15mA
I
ON
= 15mA
I
ON
= 5mA
3
3.5
4
4.5
5
5.5
1.2
1.19
1.18
-40
-15
10
35
60
85
Temperature (°C)
Input Voltage (V)
Positive Output Voltage vs. Load Current
(T
A
= 25°C)
°
12.4
12.2
Negative Output Voltage vs. Load Current
(T
A
= 25°C)
°
-6.5
-6.75
V
IN
= 5.0V
V
IN
= 5.0V
V
POS
(V)
12
11.8
11.6
11.4
0
5
10
15
20
25
30
35
40
V
NEG
(V)
-7
-7.25
-7.5
-7.75
-8
0
10
20
30
40
I
POS
(mA)
I
NEG
(mA)
3190.2006.01.1.2
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
