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LM120H-12 データシート(PDF) 7 Page - Texas Instruments

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部品番号 LM120H-12
部品情報  Series 3-Terminal Negative Regulators
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LM120, LM320-N
www.ti.com
SNVS756C – APRIL 1998 – REVISED APRIL 2013
LM120K-15 AND LM320K-15 ELECTRICAL CHARACTERISTICS (continued)
Metal Can Package
Order Numbers
LM120K-15
LM320K-15
(TO-3)
(TO-3)
Units
Design Output Current (ID)
1A
Device Dissipation (PD)
20W
Parameter
Conditions (1)
Min
Typ
Max
Min
Typ
Max
Quiescent Current
TJ = 25°C
Change
VMIN ≤ VIN ≤ VMAX
0.1
0.4
0.1
0.4
mA
5 mA
≤ ILOAD ≤ ID
0.1
0.4
0.1
0.4
mA
Output Noise Voltage
TA = 25°C, CL = 1 μF, IL = 5 mA,
400
400
μV
VIN = 20V, 10 Hz ≤ f ≤ 100 kHz
Long Term Stability
15
150
15
150
mV
Thermal Resistance
Junction to Case
3
3
°C/W
Junction to Ambient
35
35
°C/W
LM120H-15 ELECTRICAL CHARACTERISTICS
Metal Can Package
Order Numbers
LM120H-15
(TO)
Units
Design Output Current (ID)
0.2A
Device Dissipation (PD)
2W
Parameter
Conditions (1)
Min
Typ
Max
Output Voltage
TJ = 25°C, VIN = 20V,
−15.3
−15
−14.7
V
ILOAD = 5 mA
Line Regulation
TJ = 25°C, ILOAD = 5 mA,
5
10
mV
VMIN ≤ VIN ≤ VMAX
Input Voltage
−35
−17
V
Ripple Rejection
f = 120 Hz
56
80
dB
Load Regulation,
TJ = 25°C, VIN = 20V,
10
25
mV
(2)
5 mA
≤ ILOAD ≤ ID
Output Voltage,
17.5V
≤ VIN ≤ VMAX,
−15.5
−14.5
V
(1)
5 mA
≤ ILOAD ≤ ID, P ≤ PD
Quiescent Current
VMIN ≤ VIN ≤ VMAX
2
4
mA
Quiescent Current
TJ = 25°C
Change
VMIN ≤ VIN ≤ VMAX
0.05
0.4
mA
5 mA
≤ ILOAD ≤ ID
0.03
0.4
mA
Output Noise Voltage
TA = 25°C, CL = 1 μF, IL = 5 mA,
400
μV
VIN = 20V, 10 Hz ≤ f ≤ 100 kHz
Long Term Stability
15
150
mV
Thermal Resistance
Junction to Case
(3)
°C/W
Junction to Ambient
(3)
°C/W
(1)
This specification applies over
−55°C ≤ TJ ≤ +150°C for the LM120 and 0°C ≤ TJ ≤ +125°C for the LM320-N.
(2)
Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects must be taken into account
separately. To ensure constant junction temperature, low duty cycle, pulse testing is used. The LM120/LM320-N series does have low
thermal feedback, improving line and load regulation. On all other tests, even though power dissipation is internally limited, electrical
specifications apply only up to PD.
(3)
Thermal resistance of typically 85°C/W (in 400 linear feet/min air flow), 224°C/W (in static air) junction to ambient, of typically 21°C/W
junction to case.
Copyright © 1998–2013, Texas Instruments Incorporated
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