AME8848 Datasheet, PDF (5/11 Pages) AMETHERM Circuit Protection Thermistors – 1A CMOS LDO

AME
AME8848
1A CMOS LDO
n Electrical Specifications
T_A = 25^OC unless otherwise noted.
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
V_IN
Note 1
7
V
Output Voltage Accuracy
V_OUT
I_OUT=1mA
-1.5
1.5 %
Dropout Voltage
V_DROP
I_OUT=1A
V_OUT=V_OUT(NOM) - 2.0%
1.8V<=V_OUT(NOM)<=2.0V
2.0V<V_OUT(NOM)<=2.8V
2.8V<V_OUT(NOM)
1700
See
chart ^{1200 mV}
1000
Output Current
I_OUT
V_OUT>=1.8V
1000
mA
Output Current Limit
I_LIM
V_OUT>=1.8V
1100
mA
Output Short Circuit Current
I_SC
V_OUT<0.8V
400 800 mA
Quiescent Current
I_Q
I_OUT=0mA
30 50 µA
Ground Pin Current
I_GND
I_OUT=1mA to 1000mA
35
µA
Output Voltage Line
Regulation
REG_LINE
I_OUT=1mA
V_IN=V_OUT+1 to
V_OUT+2
1.8V<=V_OUT<=2.0V -0.15
0.15
2.0V<V_OUT<4.0V -0.1 0.02 0.1 %
VOUT>=4.0V
-0.4 0.2 0.4
Output Voltage Load
Regulation
REG_LOAD
I_OUT = 1mA to 1000mA
0.4 1.2 %
Thermal Shutdown
Temperature
Temperature Hysterisis
Output Voltage Temperature
Coefficient
T_SHDN
T_{H Y S}
T_C
150
o_C
30
o_C
30
ppm/^oC
Power Supply Ripple
Rejection
PSRR
I_OUT=100mA
C_OUT=2.2µF
f =100Hz
f =1KHz
f =10KHz
60
50
dB
20
Output Voltage Noise
e_N
f =10Hz to 100KHz
I_OUT=10mA
C_OUT=2.2µF
30
µVrms
Note1: V_IN(MIN) = V_OUT + V_DROP
Note2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be
applied before a current source load is applied.
Rev.A.04
5