EUP7987
Absolute Maximum Ratings
VIN, VOUT, VSHDN , VSET , VCC,
----------------------------------------------------------- -0.3V to 6V
Storage Temperature Range ------------------------------------------------------------- -65°C to 160°C
Junction Temperature (TJ) ------------------------------------------------------------------------
Lead Temperature (10 sec.) -------------------------------------------------------------------------
150°C
260°C
Electrical Characteristics
Unless otherwise specified, all limits guaranteed for VIN= VO +0.5V, VSHDN=VIN, CIN=COUT=2.2µF, CCC=22nF,
TJ =25°C. (Boldface limits apply for the operating temperature extremes: -40°C and 85°C)
EUP7987
Symbol
Parameter
Conditions
Unit
Min
2.5
-2
Typ
Max.
5.5
+2
VIN
Input Voltage
V
100µA ≤ IOUT ≤ 300mA
VIN=VO+0.5V,
% of
∆ VO Output Voltage Tolerance
VOUT(NOM)
-3
+3
SET= OUT for the Adjust Versions
Adjust Version Only
Continuous
VO
IO
Output Adjust Range
V
1.25
300
5.5
mA
mA
mA
Maximum Output Current
10ms pulse
500
600
110
240
0.06
0.4
ILIMIT Output Current Limit
IOUT=0mA
200
Supply Current
µA
µA
IOUT=300mA
IQ
Shutdown Supply Current
VDO Dropout Voltage
1
VO =0V, SHDN =GND
IOUT =1mA
IOUT =200mA
90
140
mV
200
0.1
I
OUT =300mA
IOUT = 1mA, (VO +0.5V)≤VI
Line Regulation
0.05
0.002
50
%/V
-0.1
≤ 5.5V
∆ VO
Load Regulation
%/mA
µVRMS
100µA ≤ IOUT ≤ 300mA
I
OUT =10mA, 10Hz ≤ f
en
Output Voltage Noise
≤ 100kHz
1.6
VIH,(VO+0.5V) ≤VI ≤ 5.5V
VIL,(VO+0.5V) ≤ VI ≤ 5.5V
V
VSHDN
SHDN Input Threshold
0.4
100
2.5
0.1
0.1
160
20
nA
nA
ISHDN
ISET
TSD
SHDN Input Bias Current
SET Input Leakage
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
SHDN =GND or IN
SET = 1.3V, Adjust Version Only
°C
C
OUT =10µF, VO at 90% of Final
TON Start-Up Time
80
60
µs
Value
PSRR Power Supply Rejection Ratio
VIN=VOUT+0.5V, f=1kHZ
dB
DS7987 Ver 1.5 May .2005
5
EUTECH [ EUTECH MICROELECTRONICS INC ]
