LM2595 datasheet(4/29 Pages) NSC

부품명	LM2595

상세설명	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator

Download	29 Pages

Scroll/Zoom	100%

제조업체	NSC [National Semiconductor (TI)]

홈페이지	http://www.national.com

Logo

4 / 29 page

LM2595-ADJ

Electrical Characteristics

Specifications with standard type face are for T

J = 25˚C, and those with boldface type apply over full Operating Tempera-

ture Range.

Symbol

Parameter

Conditions

LM2595-ADJ

Units

(Limits)

Typ

Limit

(Note 3)

(Note 4)

SYSTEM PARAMETERS (Note 5) Test Circuit

Figure 1

V

FB

Feedback Voltage

4.5V

≤ V

IN ≤ 40V, 0.1A ≤ ILOAD ≤ 1A

1.230

V

OUT programmed for 3V. Circuit of Figure 1

1.193/1.180

V(min)

1.267/1.280

V(max)

η

Efficiency

V

IN = 12V, VOUT = 3V, ILOAD = 1A

78

%

All Output Voltage Versions

Electrical Characteristics

Specifications with standard type face are for T

J = 25˚C, and those with boldface type apply over full Operating Tempera-

ture Range. Unless otherwise specified, V

IN = 12V for the 3.3V, 5V, and Adjustable version and VIN = 24V for the 12V ver-

sion. I

LOAD = 200 mA.

Symbol

Parameter

Conditions

LM2595-XX

Units

(Limits)

Typ

Limit

(Note 3)

(Note 4)

DEVICE PARAMETERS

I

b

Feedback Bias Current

Adjustable Version Only,V

FB = 1.3V

10

nA

50/100

nA (max)

f

O

Oscillator Frequency

(Note 6)

150

kHz

127/110

kHz(min)

173/173

kHz(max)

V

SAT

Saturation Voltage

I

OUT = 1A (Notes 7, 8)

1

V

1.2/1.3

V(max)

DC

Max Duty Cycle (ON)

(Note 8)

100

%

Min Duty Cycle (OFF)

(Note 9)

0

I

CL

Current Limit

Peak Current (Notes 7, 8)

1.5

A

1.2/1.15

A(min)

2.4/2.6

A(max)

I

L

Output Leakage Current

Output = 0V

(Notes 7, 9) and (Note 10)

50

µA(max)

Output = −1V

2

mA

15

mA(max)

I

Q

Quiescent Current

(Note 9)

5

mA

10

mA(max)

I

STBY

Standby Quiescent

ON/OFF pin = 5V (OFF)

(Note 10)

85

µA

Current

200/250

µA(max)

θ

JC

Thermal Resistance

TO-220 or TO-263 Package, Junction to Case

2

˚C/W

θ

JA

TO-220 Package, Junction to Ambient (Note 11)

50

˚C/W

θ

JA

TO-263 Package, Junction to Ambient (Note 12)

50

˚C/W

θ

JA

TO-263 Package, Junction to Ambient (Note 13)

30

˚C/W

θ

JA

TO-263 Package, Junction to Ambient (Note 14)

20

˚C/W

ON/OFF CONTROL Test Circuit

Figure 1

ON /OFF Pin Logic Input

1.3

V

IH

Threshold Voltage

Low (Regulator ON)

0.6

V(max)

V

IL

High (Regulator OFF)

2.0

V(min)

www.national.com

4

유사한 부품 번호 - LM2595

제조업체	부품명	데이터시트	상세설명
ON Semiconductor	LM2595	572Kb / 25P	1.0 A, Step-Down Switching Regulator February, 2009 ??Rev. 2
Texas Instruments	LM2595	3Mb / 41P	[Old version datasheet] LM2595 SIMPLE SWITCHER짰 Power Converter 150 kHz 1A Step-Down Voltage Regulator
	LM2595	3Mb / 41P	[Old version datasheet] SIMPLE SWITCHER짰 Power Converter 150 kHz 1A Step-Down Voltage Regulator
	LM2595	4Mb / 43P	[Old version datasheet] SIMPLE SWITCHER Power Converter 150-kHz 1-A Step-Down Voltage Regulator
Guangdong Youtai Semico...	LM2595	986Kb / 11P	2A 150KHZ DC switching voltagestabilizing circuit

More results

유사한 설명 - LM2595

제조업체	부품명	데이터시트	상세설명
National Semiconductor ...	LM2591HV	730Kb / 20P	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator
	LM2590HV	752Kb / 20P	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
	LM2598	847Kb / 33P	SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
	LM2592HV	655Kb / 20P	SIMPLE SWITCHER Power Converter 150 kHz 2A Step-Down Voltage Regulator
	LM2594	740Kb / 28P	SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator
	LM2596	736Kb / 31P	SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
Texas Instruments	LM2595	3Mb / 41P	[Old version datasheet] SIMPLE SWITCHER짰 Power Converter 150 kHz 1A Step-Down Voltage Regulator
	LM2593HV	1Mb / 31P	[Old version datasheet] SIMPLE SWITCHER Power Converter 150-kHz, 2-A Step-Down Voltage Regulator
	LM2599SX-50	2Mb / 44P	[Old version datasheet] LM2599 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
	LM2596SX-5.0	4Mb / 42P	[Old version datasheet] LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator

More results

LM2595 데이터시트(PDF) 4 Page - National Semiconductor (TI)

LM2595 데이터시트(HTML) 4 Page - National Semiconductor (TI)

유사한 부품 번호 - LM2595

유사한 설명 - LM2595

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

데이터시트 다운로드

링크 URL