EUP7914
Absolute Maximum Ratings (1)
IN,OUT and EN to GND-----------------------------------------------------------
-0.3V to 6V
Junction Temperature ---------------------------------------------------------------------- 150°C
Storage Temperature Range ---------------------------------------------------- -65°C to +150°C
Lead Temperature -------------------------------------------------------------------------- 260°C
Maximum Power Dissipation SC-82 ----------------------------------------------------
0.3W
Thermal Resistance
θ
JA
(SC-82) --------------------------------------------------------- 320°C/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°C to +85°C
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
Conditions: V
IN
=V
OUT
+0.5V or 2.5V whichever is greater, V
EN
=V
IN
,C
IN
=C
OUT
=1uF,T
A
= -40°C to +85℃
,unless otherwise specified.
Symbol
Parameter
Input Voltage
Conditions
I
OUT
=1mA to 30mA,T
A
=+25℃,
I
OUT
=1mA to 30mA,
T
A
=-40℃ to +85℃
EUP7914
Min
Typ
Max.
2.5
-2
-3
150
160
300
90
100
30
0.02
7
0.3
70
55
45
30
100
0.4
1.5
-1
500
155
15
1
5.5
2
3
Unit
V
%
%
mA
mA
∆V
OUT
Output Voltage Accuracy
I
OUTMAX
Maximum Output Current
I
LIMIT
Current Limit
V
OUT
=V
OUT
(nom)
×
90%
V
OUT
≥
3V, I
OUT
=150mA
V
DROP
Dropout Voltage (3)
2.4
≤
V
OUT
≤
3V, I
OUT
=150mA
I
Q
Quiescent Current
No Load
V
LNR
Line Regulation
V
IN
=(V
OUT
+0.5V) to 5.5V, I
OUT
=10mA
V
LDR
Load Regulation
1mA
≤
I
OUT
≤
150mA
I
SHDN
Shutdown Supply Current V
EN
=0,T
A
=+25℃
V
IN
=(V
OUT
+1V) f=1kHz, I
LOAD
=10mA
Power Supply Ripple
V
IN
=(V
OUT
+1V) f=10kHz, I
LOAD
=10mA
PSRR
Rejection
V
IN
=(V
OUT
+1V) f=100kHz,
I
LOAD
=10mA
Output Noise Voltage
f=10Hz~100kHz, V
OUT
=1.5V,
No Load
(RMS)
Turn-on Time (4)
R
LOAD
=50Ω,T
A
=+25℃
V
ENL
VENL (EN logic low)
V
IN
=2.5V to 5.5V
V
ENH
VENH (EN logic high)
V
IN
=2.5V to 5.5V
VEN Input Bias Current
V
IN
=5.5V, V
EN
=0 or 5.5V
RDIS Output Discharge Switch V
EN
=0,V
IN
=3.6V
Thermal Shutdown
T
SD
Temperature
Thermal Shutdown
∆T
SD
Hysteresis
135
150
50
0.15
15
1.5
mV
µA
%/V
mV
µA
dB
µV
µs
V
V
µA
Ω
℃
℃
Note (3): Dropout is defined as V
IN
-V
OUT
when V
OUT
is 100mV below the value of V
OUT
for V
IN
=V
OUT
+0.5V
Note (4): Time needed for V
OUT
to reach 90% of final value.
DS7914
Ver1.0
Nov. 2008
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
