EUP7171
Absolute Maximum Ratings
Input voltage - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Power dissipation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ESD rating - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --
Maximum junction temperature - - - - - - - - - - - - - - - - - - - - - - - - - -
Storage temperature range - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Lead temperature (soldering , 5 sec) - - - - - - - - - - - - - - - - - - - - - -
Package thermal resistance SOP-8 (FD) ,
θjA
- - - - - - - - - - - - - - - - - -
6V
Internal limiting
2KV
150 °C
-65°C to150°C
260 °C
42.3 °C/W
Electrical Characteristics
(Limits in standard typeface are for T
A
=25 °C, unless otherwise specified:
VIN=2.5V/1.8V, VCNTL=3.3V, VREF=1.25V/0.9V, COUT=10µf (Ceramic
)
Symbol
V
OS
Parameter
Output Offset Voltage
Conditions
I
OUT
= 0A, (Note1)
I
L
: 0
→2A(DDRI)/1.5(DDRII)
Min
-20
Typ
0
Max
20
Units
mV
ΔV
LOAD
VIN
VCNTL
I
VCNTL
I
SHDN
Load Regulation
I
L
: 0
→
-2A(DDRI)/-1.5(DDRII)
Input Voltage Range
(DDR I / DDR I I )
Operating Current of
VCNTL
Current in Shutdown mode
Keep VCNTL
≥
VIN on operation
power on and power off
sequences
I
L
= 0A
VREF
＜
0.2V
-20
0
20
mV
--
--
--
--
2.5/1.8
3.3
1.4
60
--
V
5.5
2
110
mA
µA
Short Circuit Protection
I
LIMIT
Current Limit
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
2.2
--
--
A
Over Temperature Protection
T
SD
T
SD _HYS
V
IH
--
Guaranteed by design
--
157
40
--
--
°C
°C
Shutdown function
V
IL
Shutdown Threshold
Output = High
Output = Low
0.8
--
--
--
--
0.2
V
Note 1: V
OS
offset is the voltage measurement defined as VOUT subtracted from VREF.
DS7171 Ver1.0 Mar. 2005
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
