LM5037 datasheet(5/40 Pages) TI

部件名	LM5037

功能描述	LM5037 Dual-Mode PWM Controller With Alternating Outputs

Download	40 Pages

Scroll/Zoom	100%

制造商	TI [Texas Instruments]

网页	http://www.ti.com

标志

5 / 40 page

LM5037

www.ti.com

SNVS578D – NOVEMBER 2008 – REVISED MAY 2015

6.5 Electrical Characteristics

over operating free-air temperature range, VVIN = 48 V, VVCC = 10 V, RRT1/SYNC = 30.1 kΩ, RRT2 = 30.1 kΩ, VUVLO = 3 V (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

STARTUP REGULATOR (VCC PIN)

IVCC = 10 mA

7.4

8

VVCC

VCC voltage

V

IVCC = 10 mA, TA = 25°C

7.7

VVCC = 7 V

45

IVCC(lim)

VCC current limit

mA

VVCC = 7 V, TA = 25°C

60

VCC Reg-

VVIN = VVCC

0.2

VCC undervoltage threshold

VVCC(UV)

VCC Reg-

V

VVIN = VVCC, TA = 25°C

0.1

Hysteresis

1.5

VVIN = 100 V, VUVLO = 0 V

430

VVIN = 100 V, VUVLO = 0 V,

350

TA = 25°C

IVIN

Startup regulator current

µA

VVIN = 48 V, VUVLO = 0 V

370

VVIN = 48 V, VUVLO = 0 V, TA = 25°C

325

Output pins and COMP = Open

5.5

Supply current into VCC from

IVCC

mA

Output pins and COMP = Open,

external source

3

TA = 25°C

VOLTAGE REFERENCE REGULATOR (REF PIN)

IREF = 0 mA

4.75

5.15

REF pin voltage

V

IREF = 0 mA, TA = 25°C

5

VREF

0 A

≤ IREF ≤ 2.5 mA

25

REF voltage regulation

mV

0 A

≤ IREF ≤ 2.5 mA, TA = 25°C

7

VREF = 4.5 V

5

IREF(lim)

REF current limit

mA

VREF = 4.5 V, TA = 25°C

10

3.7

4.3

VREF undervoltage threshold

V

TA = 25°C

4

VREF(UV)

Hysteresis

0.35

V

UNDERVOLTAGE LOCKOUT AND SHUTDOWN (UVLO PIN)

1.20

1.295

TA = 25°C

1.25

VUVLO

Undervoltage lockout threshold

V

UVLO voltage rising

0.37

0.47

UVLO voltage rising, TA = 25°C

0.42

Hysteresis voltage

0.1

V

UVLO pin sinking

18

25

IUVLO

Hysteresis current

µA

UVLO pin sinking, TA = 25°C

22

CURRENT SENSE INPUT (CS PIN)

0.22

0.29

VCS

Current limit threshold

V

TA = 25°C

0.25

tDLY(CS)

CS delay to output(1)

VCS rising from zero to 1 V. No load.

27

ns

tBLK(CS)

Leading edge blanking time at CS

66

ns

45

RCS(sink)

CS sink impedance (clocked)(2)

Ω

TA = 25°C

21

(1)

Time for OUTA pin and OUTB pin to fall to 90% of VCC.

(2)

Internal FET sink impedance.

Submit Documentation Feedback

5

Product Folder Links: LM5037

类似零件编号 - LM5037

制造商	部件名	数据表	功能描述
National Semiconductor ...	LM5037	479Kb / 24P	Dual-Mode PWM Controller With Alternating Outputs
Texas Instruments	LM5037	1Mb / 33P	[Old version datasheet] Dual-Mode PWM Controller With Alternating Outputs
National Semiconductor ...	LM5037MT	479Kb / 24P	Dual-Mode PWM Controller With Alternating Outputs
National Semiconductor ...	LM5037MTX	479Kb / 24P	Dual-Mode PWM Controller With Alternating Outputs
Texas Instruments	LM5037	1Mb / 33P	[Old version datasheet] Dual-Mode PWM Controller With Alternating Outputs

More results

类似说明 - LM5037

制造商	部件名	数据表	功能描述
Texas Instruments	LM5037	1Mb / 33P	[Old version datasheet] Dual-Mode PWM Controller With Alternating Outputs
National Semiconductor ...	LM25037	497Kb / 24P	Dual-Mode PWM Controller With Alternating Outputs
National Semiconductor ...	LM5037	479Kb / 24P	Dual-Mode PWM Controller With Alternating Outputs
Texas Instruments	LM25037	581Kb / 29P	[Old version datasheet] Dual-Mode PWM Controller With Alternating Outputs
	LM25037	2Mb / 37P	[Old version datasheet] Dual-Mode PWM Controller With Alternating Outputs
	LM25037	1Mb / 31P	[Old version datasheet] LM25037/LM25037-Q1 Dual-Mode PWM Controller With Alternating Outputs
	LM25037	1Mb / 31P	[Old version datasheet] LM25037/LM25037-Q1 Dual-Mode PWM Controller With Alternating Outputs
Diodes Incorporated	AZ494	537Kb / 13P	VOLTAGE MODE DUAL OUTPUT PWM CONTROLLER
Advanced Power Electron...	APU3046	230Kb / 19P	DUAL SYNCHRONOUS PWM CONTROLLER WITH
Richtek Technology Corp...	DS8817A	351Kb / 21P	Dual-Phase PWM Controller with PWM-VID Reference