LP2950/2951
LINEAR INTEGRATED CIRCUIT
ꢀ
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
VCC
RATINGS
-0.3 ~ +30
-1.5 ~ +30
-0.3 ~ +30
-40 ~ +125
-65 ~ +150
UNIT
V
Supply Voltage
Feedback Voltage
VFB
V
Shutdown Voltage
VSHDN
TJ
V
Operation Junction Temperature
Storage Temperature
°C
°C
TSTG
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ꢀ ELECTRICAL CHARACTERISTICS (TJ=25°C, VIN=6V, IL=100µA, CL=1µF, unless otherwise specified.)
For All Version:
PARAMETER
Output Voltage
SYMBOL
VOUT
TEST CONDITION
TJ=25°C (Note 1)
-25°C≦TJ≦+85°C(Note 1)
MIN
TYP
MAX
UNIT
VOUT×0.98 VOUT VOUT×1.02
VOUT×0.98 VOUT VOUT×1.02
V
V
V
Output Voltage
VOUT 100µA≦IL≦100mA, TJ≦TJ(max) VOUT×0.98 VOUT VOUT×1.02
Output Voltage Temperature
Coefficient
TcVo
20
100
ppm/°C
ΔVOUT
ΔVOUT
Line Regulation
6V≦VIN≦30V
100µA≦IL≦100 mA
IL=100µA
0.03
0.04
50
380
75
0.1
0.1
80
450
120
12
0.2
0.2
%
%
Load Regulation
150
600
140
14
VD
IG
Dropout Voltage
Ground Current
IL=100mA (Note 2)
mV
µA
mA
IL=100µA
IL=100mA
8
Dropout Ground Current
Current Limit
VIN=4.5V,IL=100µA
VOUT=0
110
160
170
200
200
220
430
160
100
µA
mA
ILIMIT
eN
Output Noise (10Hz ~ 100KHz)
(Bypass=0.01µF pins 7 to 1
(LP2951))
CL=1µF
CL=200µF
CL=3.3µF
µV
For UTC LP2951 8-Pin Version Only
PARAMETER
Reference Voltage
SYMBOL
VREF
VREF
TEST CONDITION
Over temperature(Note 4)
MIN
1.22
1.19
TYP
MAX
1.25
1.27
40
UNIT
V
1.235
Reference Voltage
V
Feedback pin Bias Current
Reference Voltage Temperature
Coefficient
IFB
20
50
nA
VREF(TC)
IFB(TC)
ppm/°C
nA/°C
Feedback Bias Current
Temperature Coefficient
Error Comparator
0.1
Output Leakage Current
Output Low Voltage
IO(LEAK) VOH=30V
1
µA
mV
VOL
VIN=4.5V, IOL=400µA
250
VTHU
VTHL
VHYS
Upper
Threshold Voltage
Lower
(Note 3)
(Note 3)
(Note 3)
3.2
%VO
%VO
mV
7.6
Hysteresis
15
UNISONIC TECHNOLOGIES CO., LTD
3 of 7
QW-R102-001,J
www.unisonic.com.tw
UTC [ Unisonic Technologies ]
