LP2951JAN_15 Datasheet, PDF (5/25 Pages) Texas Instruments – Series of Adjustable Micropower Voltage Regulators

LP2951JAN
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SNVS408A – NOVEMBER 2010 – REVISED APRIL 2013
JL2951 Electrical Characteristics DC Parameters
The following conditions apply, unless otherwise specified. V_IN = 6V, I_L = −100µA, C_L = 3.3µF, V_O = 5V (Nominal), V_SD = 0.6V
PARAMETER
TEST CONDITIONS
NOTES
MIN
MAX
UNIT SUBGROUPS
V_O
Output Voltage
4.975
5.025
V
1
4.94
5.06
V
2, 3
V_{O Line}
Line Regulation
6V ≤ V_IN ≤ 30V,
I_L = –1mA
–5.0
5.0
mV
1
–25
25
mV
2, 3
V_{O Load}
Load Regulation
–100µA ≤ I_L ≤ –100mA
–5.0
5.0
mV
1
–25
25
mV
2, 3
V_D
Dropout Voltage
I_L = –100mA
450
mV
1
600
mV
2, 3
80
mV
1
150
mV
2, 3
I_L = –100mA,
12
mA
1
14
mA
2, 3
120
µA
1
I_G
Ground Current
V_O = 15V, V_IN = 30V
140
µA
2, 3
120
µA
1
140
µA
2, 3
V_IN = 30V, V_O = 15V
15
mA
1
20
mA
2, 3
I_{G Diff}
Ground Current Change 6V ≤ V_IN ≤ 30V
–30
30
µA
1
–50
50
µA
2, 3
I_GDO
Dropout Ground Current V_IN = 4.5V
170
µA
1
200
µA
2, 3
V_{Th L}
Error Comparator Lower
Threshold Voltage
0.0
0.8
mV
1, 2, 3
V_{Th U}
Error Comparator Upper
Threshold Voltage
2.0
30
mV
1, 2, 3
θ_R
Thermal Regulation
V_IN = 30V, I_L = –50mA,
2ms ≤ T ≤ 10ms
–12.5
12.5
mV
1
I_SC
Current Limit
V_O = 0V
200
mA
1
220
mA
2, 3
I_GSC
Ground Current At Current
Limit
V_O = 0V
20
mA
1
25
mA
2, 3
V_Ref
Reference Voltage
1.22
1.25
V
1
1.20
1.26
V
2, 3
V_{R Line}
Reference Voltage Line
Regulation
2.3V ≤ V_IN ≤ 30V
–1.9
1.9
mV
1
–10
10
mV
2, 3
V_{R Load}
Reference Voltage Output 1.2V ≤ V_O ≤ 29V,
Regulation
V_IN = 30V
–1.2
1.2
mV
1
–5.0
5.0
mV
2, 3
I_FB
Feedback Pin Bias
Current
40
nA
1
60
nA
2, 3
I_OH
Error Comparator Output
Leakage Current
V_O = 30V
1.0
µA
1
2.0
µA
2, 3
V_OL
Error Comparator Output
Low Voltage
V_IN = 4.5V, V_SD = 2V
250
mV
1
400
mV
2, 3
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