EUP8084
Electrical Characteristics
(V
INB
=3.6V; T
A
= -40℃ to 85℃, unless otherwise noted. Typical values are T
A
=25℃)
Symbol
Step-Down Converter
V
EN(H)
I
EN
Enable Threshold High
Input Low Current
V
INB
= V
ENB
= 5.5V
1.4
-1
1
V
µA
Parameter
Conditions
EUP8084
Unit
Min. Typ. Max.
Electrical Characteristics
(V
INA
=V
OUT(NOM)
+ 1V for V
OUT
options greater than 1.5V. I
OUT
= 1mA, C
OUT
= 2.2µF,
C
IN
= 1µF, T
A
= -40℃ to 85℃, unless otherwise noted. Typical values are T
A
=25℃)
Symbol
Linear Regulator
V
OUT
V
IN
V
DO
ΔV
OUT
/
V
OUT
*ΔV
IN
ΔV
OUT(Load)
I
OUT
I
SC
I
Q
I
SHDN
PSRR
T
SD
T
HYS
e
N
V
EN(L)
V
EN(H)
I
EN
Parameter
Conditions
EUP8084
Unit
Min. Typ. Max.
-3
V
OUT
+
V
DO
3
5.5
150
0.05
15
300
720
84
140
1
65
160
25
200
0.2
35
%
V
mV
%/V
mV
mA
mA
Output Voltage Tolerance
Input Voltage
Dropout Voltage
Line Regulation
Dynamic Load Regulation
Output Current
Short-Circuit Current
Quiescent Current
Shutdown Current
Power Supply Rejection Ratio
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Output Noise
Enable Threshold Low
Enable Threshold High
Enable Input Current
I
OUTA
= 100
µA
to
T
A
= 25°C
300mA
I
OUTA
= 300mA
V
INA
= V
OUTA
+ 0.5 to 5.5V,
I
OUTA
= 1mA
I
OUTA
= 1mA to 300mA
V
OUTA
> 1.2V
T
A
= -40℃ to 85℃
V
INA
= 5V; ENA = V
IN
V
INA
= 5V; ENA = 0V
V
IN
=V
OUT
+1V
1kHz
µA
µA
dB
℃
℃
µV
RMS
0.4
V
V
100
I
OUT
=10mA,10Hz≦f≦100kHz
125
1.6
V
ENA
= 5.5V
nA
DS8084
Ver1.0
Apr. 2008
6
EUTECH [ EUTECH MICROELECTRONICS INC ]
