LR8K4 データシートの表示（PDF） - Supertex Inc

部品番号

コンポーネント説明

メーカー

LR8K4

High Input Voltage Adjustable 3-Terminal Linear Regulator

Supertex Inc 

LR8

Ordering Information

Package Options

TO-92

TO-243AA*

TO-252

LR8N3

LR8N8

LR8K4

* Same as SOT-89. Product supplied on 2000 piece carrier tape reels.

Product marking for TO-243AA:

LR8❋

where ❋ = 2-week alpha date code

Absolute Maximum Ratings

VIN Input Voltage

Output Voltage Range

Operating Ambient Temperature Range

Operating Junction Temperature Range

Storage Temperature Range

*Voltages referenced to ADJ.

-0.5V to +480V*

-0.5V to +470V

-40°C to +85°C

-40°C to +125°C

-65°C to +150°C

Pin Configurations

TAB

1

2

3

TO-243AA

(SOT-89)

TO-92

TO-243AA

TO-252

2 (TAB)

123

TO-92

1

3

TO-252

(D-PAK)

VIN

VOUT

ADJ

1

2

3

1

2, TAB

3

1

2 (TAB)

3

Electrical Characteristics

Test conditions unless otherwise specified: -40°C < TA < 85°C.

Symbol Parameter

Min Typ Max

VIN - VOUT Input to Output Voltage Difference

12

450

VOUT

Overall Output Voltage Regulation

1.14 1.20 1.26

VOUT

Overall Output Voltage Regulation

375 400 425

∆VOUT

Line Regulation

0.003 0.01

∆VOUT

Load Regulation

1.4

3.0

∆VOUT

Temperature Regulation

-1

+1

IOUT

Output Current Limit

10

20

IOUT

Output Current Limit

0.5

IOUT

Minimum Output Current

0.3

0.5

IADJ

Adjust Output Current

5

10

15

C2

Minimum Output Load Capacitance

1

DVOUT/DVIN Ripple Rejection Ratio

50

60

TLIMIT

Junction Temperature Limit

125

Units

V

V

V

%/V

%

%

mA

mA

mA

µA

µF

dB

°C

Test Conditions

12V<VIN<400V, R1=2.4KΩ, R2=0

R1=2.4KΩ, R2=782KΩ

15V<VIN<400V, VOUT=5V, IOUT=0.5mA

VIN=15V, VOUT=5V, 0.5mA<IOUT<10mA

VIN=15V, VOUT=5V, IOUT=10mA,

-40°C<TA<85°C

TJ < 85°C, VIN - VOUT = 10V

TJ > 125°C, VIN - VOUT = 450V

Includes R1 and load current

120Hz, VOUT = 5V

2

Share Link: