EUP7903
Absolute Maximum Ratings (1)
V
IN
,V
EN
--------------------------------------------------------------------------------------------
-0.3V to 6V
V
OUT
-------------------------------------------------------------------------------------- -0.3V to (VIN+0.3V)
Junction Temperature --------------------------------------------------------------------------------
+150℃
Storage Temperature Range ----------------------------------------------------------------- -65℃ to +150℃
Lead Temperature -----------------------------------------------------------------------------------
+260℃
Thermal Resistance
θ
JA
(SOT23-5) ---------------------------------------------------------------
220℃/W
ESD Rating
Human Body Model -------------------------------------------------------------------------
2kV
Recommend Operating Conditions (2)
V
IN
------------------------------------------------------------------------------------------------ 2.5V to 5.5V
V
EN
------------------------------------------------------------------------------------------------
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
T
A
=25℃, V
IN
=V
OUT
+1V, or V
IN
=2.5V for V
OUT
<1.5V unless otherwise specified.
Symbol
Parameter
Conditions
EUP7903
Min. Typ. Max.
2.5
5.5
130
1
Unit
V
µA
µA
dB
Input Voltage
V
IN
Input Voltage
I
Q
Quiescent Current
I
SHDN
Shutdown Current
Power Supply Ripple
PSRR
Rejection
V
FB
FB Pin Voltage
Enable
V
ENH
Enable High Voltage
V
ENL
Disable Low Voltage
I
EN
EN Input Current
T
ST
Start-up Time
Output voltage
V
OUT
V
LNR
V
LDR
V
DROP
Output Voltage Accuracy
Output Line Regulation
Output Load Regulation
V
EN
=3.5V, I
OUT
=0mA
V
EN
=0V
V
IN
=V
NOM
+1V
P-P
,f=100Hz,
I
LOAD=
10mA
1.225
Over temperature range
Over temperature range
V
IN
=3.5V, V
EN
=3.5V or 0V
V
IN
=3.5V, V
OUT
=2.5V
V
IN
=V
OUT
+1V, I
OUT
=10mA
V
IN
=V
OUT
+1V, I
OUT
=10mA,
T
A
=-40℃ to +85℃
V
OUT
+0.5V<V
IN
<5.5V, I
OUT
=10mA
1mA < I
OUT
<300mA,
V
IN
=V
NOM
+1.0V
1.5
-1
90
0.1
75
1.25
1.275
V
V
V
µA
µs
%
%
%/V
mV
mV
mA
mA
℃
℃
0.2
40
0.4
1
-2
-3
0.01
10
+2
+3
0.1
16
240
Dropout Voltage (3)
180
I
OUT
=300mA
(Applied for V
OUT
≥2.3V)
I
OUTMAX
Maximum Output Current
300
Protection
IL
IMIT
Current Limit
330
500
T
SD
Thermal Shutdown Temperature No Load, V
IN
=V
EN
=5V
155
T
SDHYS
Thermal Shutdown Hysteresis
No Load, V
IN
=V
EN
=5V
30
Note (3): Dropout is defined as V
IN
-V
OUT
when V
OUT
is 2% below the value of V
OUT
for V
IN
=V
OUT
+0.5V.
DS7903
Ver 1.0
Nov. 2008
5
EUTECH [ EUTECH MICROELECTRONICS INC ]
