AAT3190
Positive/Negative Charge Pump for Voltage Bias
Typical Characteristics
Quiescent Current vs. Temperature
350
1000
Switching Frequency vs. Temperature
Quiescent Current (µA)
Frequency (kHz)
10
35
60
85
330
310
290
270
250
-40
V
FBP
= 1.5V
V
FBN
= -0.2V
950
900
850
800
-15
-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
Negative Output Voltage vs. Load Current
(T
A
= 25°C)
°
-6.5
V
IN
= 5.0V
12.2
-6.75
-7
-7.25
-7.5
11.6
11.4
0
5
10
15
20
25
30
35
40
-7.75
-8
0
V
IN
= 5.0V
V
POS
(V)
12
11.8
V
NEG
(V)
10
20
30
40
I
POS
(mA)
I
NEG
(mA)
3190.2005.03.1.0
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
