LTM4651 datasheet(3/34 Pages) LINER

部件名	LTM4651

功能描述	EN55022B Compliant 58V, 24W Inverting-Output DC/DC 關Module Regulator

Download	34 Pages

Scroll/Zoom	100%

制造商	LINER [Linear Technology]

网页	http://www.linear.com

标志

3 / 34 page

LTM4651

3

4651f

For more information www.linear.com/LTM4651

The l denotes the specifications which apply over the specified internal

operating temperature range (Note 2). TA = 25°C, Test Circuit 1, VIN = 24V and electrically connected to SVIN and RUN, ISETa – SVOUT– =

24V, EXTVCC = PGND, CLKIN open circuit, RfSET = 57.6kΩ and RISET = 480kΩ and voltages referred to PGND unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX UNITS

SVIN(DC), VIN(DC)

Input DC Voltage

VIN+ |VOUT–| ≤ 58V

l

3.6

58

V

VOUT(RANGE)–

Range of Output Voltage Regulation

0.5V ≤ ISETa – SVOUT– ≤ 26.5V

l

–26.5

–0.5

V

VOUT(–24VDC)–

Output Voltage Total Variation with

Line and Load at VOUT– = –24V

3.6V ≤ VIN ≤ 34V, 0A ≤ IOUT– ≤ 0.3A, CLKIN Driven per

Note 6, CINH = 4.7μF, CD = 4.7μF × 2,

COUTH = 47μF × 2

l

–24.4 –24 –23.6

V

VOUT(–5VDC)–

Output Voltage Total Variation with

Line and Load at VOUT– = –5V

Measuring GNDSNS – ISETa

12V ≤ VIN ≤ 53V, 0A ≤ IOUT– ≤ 3A, CLKIN Driven by

550kHz Clock, CINH = 4.7μF, CD = 4.7μF × 2, COUTH

= 47μF × 2, ISETa – SVOUT– = 5V

l

–15

0

15

mV

VOUT(–0.5VDC)–

Output Voltage Total Variation with

Line and Load at VOUT– = –0.5V

Measuring GNDSNS – ISETa

3.6V ≤ VIN ≤ 28V, 0A ≤ IOUT– ≤ 2A, CINH = 4.7μF,

CD = 4.7μF × 2, COUTH = 47μF × 2, RfSET = N/U,

ISETa – SVOUT– = 500mV, CLKIN Driven by 200kHz

Clock (Note 5)

l

–15

0

15

mV

Input Specifications

VIN(UVLO)

SVIN Undervoltage Lockout Threshold SVIN Rising

SVIN Falling

Hysteresis

l

2.1

400

3.2

2.5

700

3.6

2.8

V

mV

VIN(OVLO)

SVIN Overvoltage Lockout Rising

(Note 4)

64

68

V

VIN(HYS)

SVIN Overvoltage Lockout Hysteresis (Note 4)

2

4

V

IINRUSH(VIN)

Input Inrush Current at Start-Up

CINH = 4.7μF, CD = 4.7μF × 2, COUTH = 47μF × 2;

IOUT– = 0A, ISETa Electrically Connected to ISETb

1.1

A

IQ(SVIN)

Input Supply Bias Current

Shutdown, RUN = GND

RUN = VIN

16

450

30

μA

IS(VIN)

Input Supply Power Converter

CLKIN Open Circuit, IOUT– = 2A

2.3

A

IS(VIN, SHUTDOWN)

Input Supply Current in Shutdown

Shutdown, RUN = GND

4

µA

Output Specifications

IOUT–

VOUT– Output Continuous

Current Range

From VIN = 24V, Regulating VOUT– = –24V at fSW = 1.5MHz

From VIN = 12V, Regulating VOUT– = –5V at fSW = 550kHz

(See Note 3, Capable of Up to 4A Output Current for

Some Combinations of VIN, VOUT–, and fSW)

0

2

3

A

∆VOUT(LINE)–/VOUT– Line Regulation Accuracy

IOUT– = 0A, 3.6V ≤ VIN ≤ 34V, ISETa – SVOUT– = 24V,

CLKIN Driven by 1.8MHz Clock

l

0.05

0.25

%

∆VOUT(LOAD)–/VOUT– Load Regulation Accuracy

VIN = 24V, 0A ≤ IOUT– ≤ 2A, CLKIN Driven by 1.5MHz

Clock, RfSET = 57.6kΩ, and RISET = 480kΩ

l

0.05

0.5

%

VOUT(AC)–

Output Voltage Ripple, VOUT–

VIN = 12V, ISETa – SVOUT– = 5V

10

mVP–P

fs

VOUT Ripple Frequency

VIN = 12V, ISETa – SVOUT– = 5V

l

1.7

1.95

2.2

MHz

∆VOUT(START)–

Turn-On Overshoot

8

mV

tSTART

Turn-On Start-Up Time

Delay Measured from VIN Toggling from 0V to 24V to

PGOOD Exceeding 3V Above GND; PGOOD Having a

100kΩ Pull-Up to 3.3V with Respect to GND, VPGFB

Resistor-Divider Network as Shown in Test Circuit 1,

RISETa = 480kΩ, ISETa Electrically Connected to ISETb,

and CLKIN Driven with 1.2MHz Clock

l

4

9

ms

∆VOUT(LS)–

Peak Output Voltage Deviation for

Dynamic Load Step

IOUT–: 0A to 1A and 1A to 0A Load Steps in 1μs,

COUTH = 47µF × 2 X5R

400

mV

tSETTLE

Settling Time for Dynamic Load Step

IOUT–: 0A to 0.5A and 0.5A to 0A Load Steps in 1μs,

COUTH = 47µF × 2 X5R

50

µs

ELECTRICAL CHARACTERISTICS

类似零件编号 - LTM4651

制造商	部件名	数据表	功能描述
Linear Technology	LTM4651	1Mb / 32P	EN55022B Compliant 58V, 4A Step-Down DC/DC 關Module Regulator
Analog Devices	LTM4651	3Mb / 54P	EN55022B Compliant 40V, Dual 4A or Single 8A Step-Down or 50W Inverting 關Module Regulator

More results

类似说明 - LTM4651

制造商	部件名	数据表	功能描述
Linear Technology	LTM4653	1Mb / 32P	EN55022B Compliant 58V, 4A Step-Down DC/DC 關Module Regulator
	LTM8032	524Kb / 26P	EN55022B Compliant 36V, 2A DC/DC Module Regulator
	LTM4612	529Kb / 28P	EN55022B Compliant 36VIN, 15VOUT, 5A, DC/DC Module Regulator
	LTM4613	520Kb / 28P	EN55022B Compliant 36VIN, 15VOUT, 8A, DC/DC Module Regulator
	LTM4612	525Kb / 28P	EN55022B Compliant 36VIN, 15VOUT, 5A, DC/DC Module Regulator
	LTM4625EY	454Kb / 8P	Tiny 3A DC/DC Inverting Buck-Boost 關Module Regulator
	LTM4623EY	441Kb / 8P	Tiny 2A DC/DC Inverting Buck-Boost 關Module Regulator
Analog Devices	LTM4655	3Mb / 54P	EN55022B Compliant 40V, Dual 4A or Single 8A Step-Down or 50W Inverting 關Module Regulator
Linear Technology	LTM4615	413Kb / 24P	Triple Output, Low Voltage DC/DC 關Module Regulator
Linear Technology	LTM8008	245Kb / 16P	72VIN, 6 Output DC/DC SEPIC 關Module Regulator

More results

LTM4651 数据表(PDF) 3 Page - Linear Technology

LTM4651 数据表(HTML) 3 Page - Linear Technology

类似零件编号 - LTM4651

类似说明 - LTM4651

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 30 31 32 33 34

数据表下载

链接网址

LTM4651 数据表(PDF) 3 Page - Linear Technology

LTM4651 数据表(HTML) 3 Page - Linear Technology

类似零件编号 - LTM4651

类似说明 - LTM4651

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 30 31 32 33 34

数据表 下载

链接网址

数据表下载