AIC1189
ELECTRICAL CHARACTERISTICS
(CIN = Cout = 4.7µF, CBP = 22nF, VIN = VOUT + 1V, TJ=25°C, unless otherwise specified) (Note 1)
PARAMETER
TEST CONDITIONS
SYMBOL MIN. TYP. MAX. UNIT
Input Voltage (Note 2)
VIN
2.3
5.5
V
Output Voltage Tolerance
IOUT =1mA
VOUT
-2
2
%
Continuous Output Current
IOUT
2
A
≦ Chip Enable Low, VEN 0.4V,
Quiescent Current
IOUT = 0 mA
≧ Chip Enable High, VEN 1.6V,
IQ
80
110
µA
IOUT = 0 mA
≦ Chip Enable Low, VEN 0.4V,
GND Pin Current
IOUT = 2A
≧ Chip Enable High, VEN 1.6V,
IGND
90
120
µA
IOUT = 2A
Standby Current
= Chip Enable Low, VEN VIN
= Chip Enable High, VEN 0
ISTBY
0.01
0.5
µA
Output Current Limit
Ω RLOAD = 0.1
IIL
2.2
3.2
3.9
A
≦ IOUT = 1.5A, 0.8V VOUT<2V
1500
≦ IOUT = 2A, 0.8V VOUT<2V
1500
≦ IOUT = 1.5A, 2V VOUT<2.8V
450
600
Dropout Voltage
≦ IOUT = 2A, 2V VOUT<2.8V
VDROP
mV
600
800
≧ IOUT = 1.5A, VOUT 2.8V
330
530
≧ IOUT = 2A, VOUT 2.8V
440
700
Line Regulation
Load Regulation
Ripple Rejection
VIN = VOUT + 1V to 5.5V,
IOUT =1mA
IOUT =1mA to 2A
f=1KHz, Ripple=0.5Vp-p,
∆VLIR
∆VLOR
PSRR
2.5
10
mV
5
15
mV
70
dB
Output Noise Voltage
Temperature Coefficient
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
CBP = 22nF, f= 10~100KHz
VIN = VOUT + 1V
TC
TSD
∆TSD
24
µVrms
50
℃ ppm/
150
℃
20
℃
ADJ Pin Specifications
ADJ Pin Current
ADJ Pin Threshold
Reference Voltage
Tolerance
VADJ = VREF
IADJ
10
100
nA
VTH(ADJ) 0.05
0.1
0.2
V
VREF
0.784
0.8
0.816
V
6