LT1120AC データシートの表示（PDF） - Linear Technology

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LT1120AC

Micropower Regulator with Comparator and Shutdown

Linear Technology 

LT1120A

ABSOLUTE MAXIMUM RATINGS

(Note 1)

Input Voltage ........................................................... 36V

NPN Collector Voltage ............................................. 36V

Output Short-Circuit Duration .......................... Indefinite

Power Dissipation ............................... Internally Limited

Operating Temperature Range

LT1120AC ............................................. 0°C to 100°C

LT1120AI ......................................... – 40°C to 100°C

Storage Temperature Range ................. – 65°C to 150°C

PACKAGE/ORDER INFORMATION

TOP VIEW

GND 1

FEEDBACK 2

SHUTDOWN 3

VOUT 4

8 –INPUT

7 COMP OUT

6 REF

5 VIN

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

TJMAX = 110°C, θJA = 130°C/W (N)

TJMAX = 110°C, θJA = 190°C/W (S)

ORDER PART

NUMBER

LT1120ACN8

LT1120ACS8

LT1120AIS8

S8 PART

MARKING

1120A

1120AI

Consult LTC Marketing for parts specified with wider operating temperature ranges.

ELECTRICAL CHARACTERISTICS TJ = 25°C

PARAMETER

Reference

Reference Voltage

Line Regulation

Load Regulation

Output Source Current

Output Sink Current

Temperature Stability

Regulator

Supply Current

Output Current

Load Regulation

Line Regulation

Dropout Voltage

Feedback Sense Voltage

Shutdown Pin Voltage

Shutdown Pin Current

Feedback Bias Current

Minimum Load Current

Short-Circuit Current

Comparator

Offset Voltage

Bias Current

Gain

Power Supply Rejection

Output Sink Current

Saturation Voltage

Input Voltage Range

Response Time

Leakage Current

CONDITIONS

4.5V ≤ VIN ≤ 36V

4.5V ≤ VIN ≤ 36V

–2.0mA ≤ IREF ≤ 2mA, VIN = 12V

VIN = 5V

VIN = 5V

VIN = 6V, IOUT ≤ 100mA

VIN = 36V, IOUT ≤ 100mA

VIN = 12V, IOUT = 125mA

(VIN – VOUT) ≥ 1V, VIN ≥ 6V

(VIN – VOUT) ≥ 1V, VIN ≥ 6V

6V ≤ VIN ≤ 36V

IOUT = 100mA

IOUT = 125mA

VIN = 12V

Normal

VOUT ≤ 0.5V

VIN = 1.4V

Shutdown

VIN = 36V

VIN = 36V

VIN = 36V

VIN = 36V

∆VOUT = 29V, RL = 20k

4.5V ≤ VS ≤ 36V

VIN = 4.5V

IOUT = 1mA

VIN = 36V, V(Pin 7) = 36V

2

MIN

TYP

MAX

UNITS

2.46

2.50

2.54

V

0.01

0.015

%/V

0.3

0.6

%

2

4

mA

2

4

mA

1

%

20

25

µA

30

40

µA

11

20

mA

125

mA

0.2

0.5

%

0.01

0.015

%/V

0.02

0.05

V

0.40

0.65

V

2.44

2.5

2.56

V

0.4

V

2.2

1.4

V

10

µA

15

40

nA

1

5

µA

250

400

mA

2000

80

10

0

3

15

10000

96

18

0.4

5

7

40

0.6

VIN – 1

2

mV

nA

V/V

dB

mA

V

V

µs

µA

1120afa

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