LM317L_15 [UTC]

ADJUSTABLE VOLTAGE REGULATOR;


型号：	LM317L_15
厂家：	Unisonic Technologies
描述：	ADJUSTABLE VOLTAGE REGULATOR
文件：	总5页 (文件大小：210K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

UNISONIC TECHNOLOGIES CO., LTD

LM317L

LINEAR INTEGRATED CIRCUIT

LOW CURRENT 1.25V TO

37V ADJUSTABLE VOLTAGE

REGULATOR

SOP-8

DESCRIPTION

The UTC LM317L is

a monolithic integrated circuit,

designed to supply 100mA of output current with voltage

adjustable from 1.25V ~ 37V.

FEATURES

TO-92

*Output voltage adjustable from 1.25V ~ 37V.

*Output current in excess of 100mA

*Internal thermal overload protection

*Internal short circuit current limiting

*Output transistor safe area compensation

Lead-free:

Halogen-free: LM317LG

LM317LK

ORDERING INFORMATION

Ordering Number

Pin Assignment

Package

Packing

Normal

Lead Free

Halogen Free

LM317LG-T92-B

LM317LG-T92-K

LM317LG-S08-R

LM317LG-S08-T

LM317L-T92-B

LM317L-T92-K

LM317L-S08-R

LM317L-S08-T

LM317LK-T92-B

LM317LK-T92-K

LM317LK-S08-R

LM317LK-S08-T

TO-92

SOP-8

A O

Tape Box

Bulk

O O A N O O N Tape Reel

O O A N O O N Tube

Note: Pin Assignment: A:ADJ I:V_INO:V_OUTN: No Connection

www.unisonic.com.tw

1 of 5

QW-R101-008.D

LM317L

LINEAR INTEGRATED CIRCUIT

BLOCK DIAGRAM

INPUT

PROTECTION

CIRCUIT

VREF

OUTPUT

VADJ

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

2 of 5

QW-R101-008.D

LM317L

LINEAR INTEGRATED CIRCUIT

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

V_IN-V_OUT

P_D

RATING

UNIT

Input-Output Differential Voltage

Power Dissipation

Internally Limited

+125

Junction Temperature

T_J

°C

Operating Junction Temperature

Storage Temperature Range

T_OPR

-40 ~ +85

-40 ~ +150

T_STR

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

ELECTRICAL CHARACTERISTICS

(V_IN-V_OUT=5V, I_OUT=40mA, Ta=25°C, unless otherwise specified.)

PARAMETER SYMBOL TEST CONDITIONS

Line Regulation ΔV_OUT/V_OUT3V≦V_IN-V_OUT≦40V, I_LOAD<20mA

MIN TYP MAX UNIT

0.01 0.04 %/V

_OUT≦5V

0.5

100

Load Regulation

ΔV_OUT5mA≦I_OUT≦100mA

V_OUT≧5V

0.1

Adjustable Pin Current

Adjustable Pin Current Change

I_ADJ

μA

3V≦V_IN-V_OUT≦40V,

ΔI_ADJ

0.2

μA

5mA≦I_OUT≦100mA, P_D＜625mW

3V≦V_IN-V_OUT≦40V,

5mA≦I_OUT≦100mA, P_D＜625mW

Reference Voltage

V_REF

1.20 1.25 1.30

0.7

_MIN≦T_J≦T_MAX

Temperature Stability

%/V_OUT

Minimum Load Current for Regulation

Maximum Output Current

RMS Noise vs. %of V_OUT

I_L(MIN)

V_IN-V_OUT=40V

3.5

I_O(MAX)V_IN-V_OUT=40V, P_D≦625mW

10H_Z≦f≦10KH_Z

0.003 0.01 %/V_OUT

C_ADJ=0

_ADJ=10μF 66

Ripple Rejection

V_OUT=10V,f=120H_Z,

Note: C_ADJis connected between Adjust pin and Ground.

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 5

QW-R101-008.D

LM317L

LINEAR INTEGRATED CIRCUIT

APPLICATION CIRCUITS

VIN

VOUT

I_OUT

VIN

UTC LM317L

VoUT

1N4001

240

V_ADJ

I_ADJ

50k

1.25V

^REF)+I_ADJ

I_O(MAX)=(

V_REF

R1+R2

1.25V

R1+R2

I_O(MIN)=(

)+I_ADJ

5mA<I_OUT<100mA

Fig.3 Soft Start Application

Fig.4 Constant Current Application

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

4 of 5

QW-R101-008.D

LM317L

LINEAR INTEGRATED CIRCUIT

TYPICAL CHARACTERISTICS

Load Regulation vs. temperature

Adjustment Current vs. Temperature

0.2

0.0

-0.2

-0.4

-0.6

-0.8

-1.0

V_IN=15V

V_OUT=10V

100

125

-50

-25

100

125

Temperature

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

5 of 5

QW-R101-008.D

相关型号：