LM2575 datasheet(2/28 Pages) MOTOROLA

부품명	LM2575

상세설명	EASY SWITCHERE??1.0 A STEP-DOWN VOLTAGE REGULATOR

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제조업체	MOTOROLA [Motorola, Inc]

홈페이지	http://www.freescale.com

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LM2575

2

MOTOROLA ANALOG IC DEVICE DATA

Figure 1. Block Diagram and Typical Application

7.0 V – 40 V

Unregulated

DC Input

L1

330

µH

Gnd

+Vin

1

Cin

100

µF

3ON/OFF

5

Output

2

Feedback

4

D1

1N5819

Cout

330

µF

Typical Application (Fixed Output Voltage Versions)

Representative Block Diagram and Typical Application

Unregulated

DC Input

+Vin

1

Cout

Feedback

4

Cin

L1

D1

R2

R1

1.0 k

Output

2

Gnd

3

ON/OFF

5

Reset

Latch

Thermal

Shutdown

52 kHz

Oscillator

1.235 V

Band–Gap

Reference

Freq

Shift

18 kHz

Comparator

Fixed Gain

Error Amplifier

Current

Limit

Driver

1.0 Amp

Switch

ON/OFF

3.1 V Internal

Regulator

Regulated

Output

Vout

Load

Output

Voltage Versions

3.3 V

5.0 V

12 V

15 V

R2

(

Ω)

1.7 k

3.1 k

8.84 k

11.3 k

For adjustable version

R1 = open, R2 = 0

Ω

LM2575

5.0 V Regulated

Output 1.0 A Load

This device contains 162 active transistors.

ABSOLUTE MAXIMUM RATINGS (Absolute Maximum Ratings indicate limits beyond

which damage to the device may occur.)

Rating

Symbol

Value

Unit

Maximum Supply Voltage

Vin

45

V

ON/OFF Pin Input Voltage

–

–0.3 V

≤ V ≤ +Vin

V

Output Voltage to Ground (Steady–State)

–

–1.0

V

Power Dissipation

Case 314B and 314D (TO–220, 5–Lead)

PD

Internally Limited

W

Thermal Resistance, Junction–to–Ambient

R

θJA

65

°C/W

Thermal Resistance, Junction–to–Case

R

θJC

5.0

°C/W

Case 936A (D2PAK)

PD

Internally Limited

W

Thermal Resistance, Junction–to–Ambient

(Figure 34)

R

θJA

70

°C/W

Thermal Resistance, Junction–to–Case

R

θJC

5.0

°C/W

Storage Temperature Range

Tstg

–65 to +150

°C

Minimum ESD Rating (Human Body Model: C

= 100 pF, R = 1.5 k

Ω)

–

3.0

kV

Lead Temperature (Soldering, 10 s)

–

260

°C

Maximum Junction Temperature

TJ

150

°C

NOTE:

ESD data available upon request.

유사한 부품 번호 - LM2575

제조업체	부품명	데이터시트	상세설명
ON Semiconductor	LM2575	382Kb / 26P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator May, 2004 ??Rev. 6
ON Semiconductor	LM2575	461Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down June, 2009 ??Rev. 11
Semtech Corporation	LM2575	441Kb / 19P	1A & 3A Miniconverter Switching Regulators
ON Semiconductor	LM2575	461Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator June, 2009 ??Rev. 11
Micrel Semiconductor	LM2575	104Kb / 9P	52kHz Simple 1A Buck Regulator

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유사한 설명 - LM2575

제조업체	부품명	데이터시트	상세설명
ON Semiconductor	LM2595	572Kb / 25P	1.0 A, Step-Down Switching Regulator February, 2009 ??Rev. 2
	LM2575T-15G	497Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator June, 2009 ??Rev. 11
	LM2575T-005G	461Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator June, 2009 ??Rev. 11
	LM2575	382Kb / 26P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator May, 2004 ??Rev. 6
	LM2575	497Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator June, 2009 ??Rev. 11
	LM2575T-ADJ	497Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down Switching Regulator June, 2009 ??Rev. 11
Motorola, Inc	LM2576	287Kb / 28P	Easy Switcher 3.0A Step-Down Voltage Regulator
IK Semicon Co., Ltd	IL2575-XX	761Kb / 17P	1.0 A, 15 V, Step-Down Switching Regulator
ON Semiconductor	LM2575D2T-005	461Kb / 28P	1.0 A, Adjustable Output Voltage, Step-Down June, 2009 ??Rev. 11
Motorola, Inc	LM2576	298Kb / 28P	EASY SWITCHERER 3.0 A STEP?밆OWN VOLTAGE REGULATOR

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