AAT3190
Positive/Negative Charge Pump for Voltage Bias
Typical Characteristics
Switching Frequency vs. Temperature
Quiescent Current vs. Temperature
1000
950
900
850
800
350
VFBP = 1.5V
VFBN = -0.2V
330
310
290
270
250
-40
-15
10
35
60
85
-40
-15
10
35
60
85
Temperature (°C)
Temperature (°°C)
Reference Voltage vs. Temperature
Maximum VOUT vs. VIN
(IOUT = 5mA and 15mA)
1.22
15
12.5
10
IOP = 5mA
1.21
1.2
7.5
5
IOP = 15mA
2.5
0
-2.5
-5
ION = 15mA
1.19
1.18
-7.5
-10
-12.5
-15
ION = 5mA
2.5
3
3.5
4
4.5
5
5.5
-40
-15
10
35
60
85
Input Voltage (V)
Temperature (°C)
Positive Output Voltage vs. Load Current
(TA = 25°°C)
Negative Output Voltage vs. Load Current
(TA = 25°C)
12.4
-6.5
VIN = 5.0V
VIN = 5.0V
-6.75
-7
12.2
12
-7.25
-7.5
-7.75
-8
11.8
11.6
11.4
0
5
10
15
20
25
30
35
40
0
10
20
30
40
IPOS (mA)
INEG (mA)
3190.2005.03.1.0
5
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
