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LM2937 데이터시트(PDF) 5 Page - Texas Instruments

부품명 LM2937
상세설명  500-mA Low Dropout Regulator
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LM2937 데이터시트(HTML) 5 Page - Texas Instruments

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LM2937
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SNVS100F – MARCH 2000 – REVISED JULY 2014
6.5 Electrical Characteristics: LM2937-5
Unless otherwise specified: VIN = VOUT(NOM) + 5 V; IOUT(MAX) = 500 mA for the TO-220 and DDPAK/TO-263 packages; IOUT(MAX)
= 400 mA for the SOT-223 package; and COUT = 10 μF. Conditions and the associated minimum and maximum limits apply
over the Recommended Operating temperature range for the specific package, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
TA = TJ = 25°C, 5 mA ≤ IOUT ≤ IOUT(MAX)
4.85
5
5.15
V
5 mA
≤ IOUT ≤ IOUT(MAX)
4.75
5
5.25
V
Line regulation
(VOUT + 2 V) ≤ VIN ≤ 26 V, IOUT = 5 mA
15
50
mV
Load regulation
5 mA
≤ IOUT ≤ IOUT(MAX)
5
50
mV
Quiescent Current
(VOUT + 2 V) ≤ VIN ≤ 26 V, IOUT = 5 mA
2
10
mA
VIN = (VOUT + 5 V), IOUT = IOUT(MAX)
10
20
mA
Output noise voltage
10 Hz to 100 kHz, IOUT = 5 mA
150
μVrms
Long-term stability
1000 Hrs.
20
mV
Dropout voltage
IOUT = IOUT(MAX)
0.5
1
V
IOUT = 50 mA
110
250
mV
Short-circuit current
0.6
1
A
Peak line transient voltage
tf < 100 ms, RL = 100 Ω
60
75
V
Maximum operational input voltage
26
V
Reverse DC input voltage
VOUT ≥ −0.6 V, RL = 100 Ω
–15
–30
V
Reverse transient input voltage
tr < 1 ms, RL = 100 Ω
–50
–75
V
6.6 Electrical Characteristics: LM2937-8
Unless otherwise specified: VIN = VOUT(NOM) + 5 V; IOUT(MAX) = 500 mA for the TO-220 and DDPAK/TO-263 packages; IOUT(MAX)
= 400 mA for the SOT-223 package; and COUT = 10 μF. Conditions and the associated Minimum and Maximum limits apply
over the Recommended Operating temperature range for the specific package, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
TA = TJ = 25°C, 5 mA ≤ IOUT ≤ IOUT(MAX)
7.76
8
8.24
V
5 mA
≤ IOUT ≤ IOUT(MAX)
7.6
8
8.4
V
Line regulation
(VOUT + 2 V) ≤ VIN ≤ 26 V, IOUT = 5 mA
24
80
mV
Load regulation
5 mA
≤ IOUT ≤ IOUT(MAX)
8
80
mV
Quiescent Current
(VOUT + 2 V) ≤ VIN ≤ 26 V, IOUT = 5 mA
2
10
mA
VIN = (VOUT + 5 V), IOUT = IOUT(MAX)
10
20
mA
Output noise voltage
10 Hz to 100 kHz, IOUT = 5 mA
240
μVrms
Long-term stability
1000 Hrs.
32
mV
Dropout voltage
IOUT = IOUT(MAX)
0.5
1
V
IOUT = 50 mA
110
250
mV
Short-circuit current
0.6
1
A
Peak line transient voltage
tf < 100 ms, RL = 100 Ω
60
75
V
Maximum operational input voltage
26
V
Reverse DC input voltage
VOUT ≥ −0.6 V, RL = 100 Ω
–15
–30
V
Reverse transient input voltage
tr < 1 ms, RL = 100 Ω
–50
–75
V
6.7 Electrical Characteristics: LM2937-10
Unless otherwise specified: VIN = VOUT(NOM) + 5 V; IOUT(MAX) = 500 mA for the TO-220 and DDPAK/TO-263 packages; IOUT(MAX)
= 400 mA for the SOT-223 package; and COUT = 10 μF. Conditions and the associated Minimum and Maximum limits apply
over the Recommended Operating temperature range for the specific package, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
TA = TJ = 25°C, 5 mA ≤ IOUT ≤ IOUT(MAX)
9.7
10
10.3
V
5 mA
≤ IOUT ≤ IOUT(MAX)
9.5
10
10.5
V
Line regulation
(VOUT + 2V) ≤ VIN ≤ 26V, IOUT = 5 mA
30
100
mV
Copyright © 2000–2014, Texas Instruments Incorporated
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