EUP7981
Electrical Characteristics
Conditions: VIN=VOUT+0.5V or 2.5V whichever is greater,VEN=VIN,CIN=1uF,COUT=1uF,TA=-40~85℃
,Unless otherwise specified.
EUP7981
Symbol
Parameter
Conditions
Unit
Min
2.5
-2
Typ
Max.
5.5
Input Voltage
V
%
%
IOUT=1mA,TA=25℃
OUT=1mA,TA=-40℃ to 85℃
2
3
∆VOUT Output Voltage Accuracy
I
-3
IOUTMAX Maximum Output Current
ILIMIT Current Limit
VDROP Dropout Voltage (Note1)
TA>0℃
150
150
mA
mA
mV
µA
VOUT=VOUT(nom) 90%, T >0℃
IOUT=150mA
IOUT=1mA
220
140
70
400
240
160
×
A
IQ
Quiescent Current
VIN=(VOUT+0.5V) to 5.5V,
IOUT=1mA
VLNR Line Regulation
0.02
0.25
%/V
VLDR Load Regulation
ISHDN Shutdown Supply Current
1mA I
150mA
0.002
0.013
1
%/mA
µA
≤
≤
OUT
VEN=0,TA=25℃
VIN=(VOUT+1V)DC+0.5VP-P
PSRR Power Supply Ripple Rejection
75
dB
f=1kHz, ILOAD=10mA
Output Noise Voltage (Bypass) f=10Hz~100kHz, ILOAD=10mA
50
239
µV
µV
µs
Output Noise Voltage (ADJ)
Turn-on Time (Note2)
f=10Hz~100kHz, ILOAD=10mA
RLOAD=50Ω,TA=25℃
200
0.4
VENL (Maximum Low Level
VENL
VENH
VIN=2.5V to 5.5V
V
Input Voltage at EN)
VENH (Minimum high Level
Input Voltage at EN)
VEN Input Bias Current
VIN=2.5V to 5.5V
VIN=5.5V, VEN=0 or 5.5V
VIN=5.5V, VFB=1.3V
TA=25℃
1.5
V
1
1
nA
nA
FB Input Bias Current (ADJ
Version)
VFB
TSD
FB Pin Voltage (ADJ Version)
Thermal Shutdown Temperature
1.176
1.2
155
15
1.224
V
℃
∆TSD Thermal Shutdown Hysteresis
℃
Note 1: Dropout is defined as VIN-VOUT when VOUT is 100mV below the value of VOUT for VIN=VOUT+0.6V
Note 2: Test time needed for VOUT to reach 90% of final value.
DS7981 Ver1.0 Jan. 2008
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
