AAT3190
Positive/Negative Charge Pump for Voltage Bias
Electrical Characteristics
V
IN
= 5.0V, C
REF
= 0.1µF, T
A
= -40°C to +85°C. Unless otherwise noted, typical values are at T
A
= 25°C.
Symbol
V
IN
UVLO
I
IN
Description
Input Supply Range
Input Under-Voltage Threshold
Input Quiescent Supply Current
Conditions
V
IN
Rising
V
IN
Falling, 40mV Hysteresis (typ)
V
FBP
= 1.5V, V
FBN
= -0.2V,
No Load on DRVN and DRVP
V
EN
= 0 V
Min
2.7
Typ
1.8
1.6
400
0.1
1.0
0
1.5
1.0
20
Max
5.5
Units
V
V
800
1.0
1.2
+100
+100
5.0
5.0
µA
µA
MHz
mV
nA
Ω
Ω
kΩ
V
nA
Ω
Ω
kΩ
V
V
I
SD
Shutdown Supply Current
F
OSC
Operating Frequency
Negative Low-Power Charge Pump
V
FBN
FBN Regulation Voltage
I
FBN
FBN Input Bias Current
R
DSNCHN
DRVN NCH On-Resistance
R
DSPCHMIN
MIN DRVN PCH On-Resistance
R
DSPCHMAX
MAX DRVN PCH On-Resistance
Positive Low-Power Charge Pump
V
FBP
FBP Regulation Voltage
I
FBP
FBP Input Bias Current
R
DSPCHP
DRVP PCH On-Resistance
R
DSNCHMIN
MIN DRVP NCH On-Resistance
R
DSNCHMIN
MAX DRVP NCH On-Resistance
Reference
Reference Voltage
V
REF
Reference Under-Voltage
Threshold
Logic Signals
V
IL
Input Low Voltage
V
IH
Input High Voltage
I
IL
Enable Input Low Current
I
IH
Enable Input High Current
Thermal Limit
T
SD
Over-Temperature Shutdown
Threshold
T
HYST
Over-Temperature Shutdown
Hysteresis
0.8
-100
-100
V
FBN
= -50mV
V
FBN
= 100mV, V
IN
= 4V
V
FBN
= -100mV, V
IN
= 4V
V
FBP
= 1.5V
V
FBP
= 1.15V, V
IN
= 4V
V
FBP
= 1.25V, V
IN
= 4V
-2.0 µA < I
REF
< 50 µA
V
REF
Rising
1.15
-60
1.2
1.0
3
20
1.25
+100
5.0
15
1.18
1.2
0.8
1.22
0.5
1.5
V
IN
= 5.0V, F
BP
= 1.5V, F
BN
= -0.2V
V
IN
= 5.0V, F
BP
= 1.5V, F
BN
= -0.2V
140
15
1
1
V
V
µA
µA
°C
°C
4
3190.2005.03.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
