LM320T-15NOPB datasheet(6/22 Pages) TI

部件名	LM320T-15NOPB

功能描述	LM120/LM320-N Series 3-Terminal Negative Regulators

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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LM120, LM320-N

SNVS756C – APRIL 1998 – REVISED APRIL 2013

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LM320T-12 ELECTRICAL CHARACTERISTICS (continued)

Power Plastic Package

Order Numbers

LM320T-12

(TO-220)

Units

Design Output Current (ID)

1A

Device Dissipation (PD)

15W

Parameter

Conditions (1)

Min

Typ

Max

Output Noise Voltage

TA = 25°C, CL = 1 μF, IL = 5 mA,

400

μV

VIN = 17V, 10 Hz ≤ f ≤ 100 kHz

Long Term Stability

24

mV

Thermal Resistance

Junction to Case

4

°C/W

Junction to Ambient

50

°C/W

ABSOLUTE MAXIMUM RATINGS

−15 VOLT REGULATORS

(1) (2)

Power Dissipation

Internally Limited

Input Voltage

LM120/LM320-N

−40V

LM320T

−35V

Input-Output Voltage Differential

30V

Junction Temperatures

(3)

Storage Temperature Range

−65°C to +150°C

Lead Temperature

(Soldering, 10 sec.)

300°C

(1)

Refer to RETS120-15H drawing for LM120H-15 or RETS120-15K drawing for LM120K-15 military specifications.

(2)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and

specifications.

(3)

This specification applies over

−55°C ≤ TJ ≤ +150°C for the LM120 and 0°C ≤ TJ ≤ +125°C for the LM320-N.

LM120K-15 AND LM320K-15 ELECTRICAL CHARACTERISTICS

Metal Can Package

Order Numbers

LM120K-15

LM320K-15

(TO-3)

Units

Design Output Current (ID)

1A

Device Dissipation (PD)

20W

Parameter

Conditions (1)

Min

Typ

Max

Min

Typ

Max

Output Voltage

TJ = 25°C, VIN = 20V,

−15.3

−15

−14.7

−15.4

−15

−14.6

V

ILOAD = 5 mA

Line Regulation

TJ = 25°C, ILOAD = 5 mA,

5

10

5

20

mV

VMIN ≤ VIN ≤ VMAX

Input Voltage

−35

−17

−35

−17

V

Ripple Rejection

f = 120 Hz

56

80

56

80

dB

Load Regulation,

TJ = 25°C, VIN = 20V,

30

80

30

80

mV

(2)

5 mA

≤ ILOAD ≤ ID

Output Voltage,

17.5V

≤ VIN ≤ VMAX,

−15.5

−14.5

−15.6

−14.4

V

(1)

5 mA

≤ ILOAD ≤ ID, P ≤ PD

Quiescent Current

VMIN ≤ VIN ≤ VMAX

2

4

2

4

mA

(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.

6

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Product Folder Links: LM120 LM320-N

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