EUP7903
Absolute Maximum Ratings (1)
VIN,VEN --------------------------------------------------------------------------------------------
VOUT -------------------------------------------------------------------------------------- -0.3V to (VIN+0.3V)
Junction Temperature -------------------------------------------------------------------------------- +150℃
-0.3V to 6V
Storage Temperature Range ----------------------------------------------------------------- -65℃ to +150℃
Lead Temperature -----------------------------------------------------------------------------------
Thermal Resistance θJA (SOT23-5) ---------------------------------------------------------------
ESD Rating
+260℃
220℃/W
Human Body Model -------------------------------------------------------------------------
2kV
Recommend Operating Conditions (2)
VIN ------------------------------------------------------------------------------------------------ 2.5V to 5.5V
VEN ------------------------------------------------------------------------------------------------ 0V to 5.5V
Operating Temperature Range --------------------------------------------------------------- -40℃ to +85℃
Note (1): Stress beyond those listed under “Absolute Maximum Ratings” may damage the device.
Note (2): The device is not guaranteed to function outside the recommended operating conditions.
Electrical Characteristics
TA=25℃, VIN=VOUT+1V, or VIN=2.5V for VOUT<1.5V unless otherwise specified.
EUP7903
Min. Typ. Max.
Symbol
Parameter
Conditions
Unit
Input Voltage
VIN
IQ
Input Voltage
Quiescent Current
2.5
5.5
130
1
V
µA
µA
VEN=3.5V, IOUT=0mA
90
ISHDN Shutdown Current
VEN=0V
0.1
Power Supply Ripple
VIN=VNOM+1VP-P,f=100Hz,
ILOAD=10mA
PSRR
75
dB
V
Rejection
VFB FB Pin Voltage
Enable
VENH Enable High Voltage
VENL Disable Low Voltage
1.225
1.5
1.25
1.275
Over temperature range
Over temperature range
VIN=3.5V, VEN=3.5V or 0V
VIN=3.5V, VOUT=2.5V
V
V
µA
µs
0.4
1
IEN
TST
EN Input Current
Start-up Time
-1
0.2
40
Output voltage
VIN=VOUT+1V, IOUT=10mA
VIN=VOUT+1V, IOUT=10mA,
TA =-40℃ to +85℃
-2
-3
+2
+3
0.1
16
%
%
VOUT Output Voltage Accuracy
VLNR Output Line Regulation
VLDR Output Load Regulation
VOUT+0.5V<VIN<5.5V, IOUT=10mA
1mA < IOUT <300mA,
0.01
10
%/V
mV
VIN=VNOM+1.0V
Dropout Voltage (3)
VDROP
IOUT=300mA
180
240
mV
mA
(Applied for VOUT≥2.3V)
IOUTMAX Maximum Output Current
Protection
300
330
ILIMIT Current Limit
500
155
30
mA
℃
TSD Thermal Shutdown Temperature No Load, VIN=VEN=5V
TSDHYS Thermal Shutdown Hysteresis
No Load, VIN=VEN=5V
℃
Note (3): Dropout is defined as VIN-VOUT when VOUT is 2% below the value of VOUT for VIN=VOUT+0.5V.
DS7903 Ver 1.0 Nov. 2008
5
EUTECH [ EUTECH MICROELECTRONICS INC ]
