LM3150MH datasheet(4/26 Pages) TI1

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LM3150

SNVS561D – SEPTEMBER 2008 – REVISED MARCH 2011

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Electrical Characteristics (continued)

Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C

to +125°C. Minimum and Maximum limits are specified through test, design, or statistical correlation. Typical values represent

the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the

following conditions apply: VIN = 18V.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

ON/OFF Timer

VIN = 10V, RON = 100 kΩ,

1.02

VFB = 0.6V

VIN = 18V, RON = 100 kΩ,

tON

ON Timer Pulse Width

0.62

µs

VFB = 0.6V

VIN = 42V, RON = 100 kΩ,

0.36

VFB = 0.6V

tON-MIN

ON Timer Minimum Pulse Width

See(2)

200

ns

tOFF

OFF Timer Minimum Pulse Width

370

525

ns

Enable Input

VEN

EN Pin Input Threshold Trip Point

VEN Rising

1.14

1.20

1.26

V

VEN-HYS

EN Pin Threshold Hysteresis

VEN Falling

120

mV

Regulation and Over-Voltage Comparator

VFB

In-Regulation Feedback Voltage

VSS > 0.6V

0.588

0.600

0.612

V

VFB-OV

Feedback Over-Voltage Threshold

0.690

0.720

0.748

V

IFB

Feedback Bias Current

20

nA

Boost Diode

Forward Voltage

IBST = 2 mA

0.7

Vf

V

IBST = 30 mA

1

Thermal Characteristics

Thermal Shutdown

Rising

165

°C

TSD

Thermal Shutdown Hysteresis

Falling

15

°C

4 Layer JEDEC Printed Circuit

40

Board, 9 Vias, No Air Flow

θJA

Junction to Ambient

°C/W

2 Layer JEDEC Printed Circuit

140

Board. No Air Flow

θJC

Junction to Case

No Air Flow

4

°C/W

(2)

See Theory of Operation section for minimum on-time when using MOSFETs connected to gate drivers.

4

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LM3150MH	482Kb / 20P	SIMPLE SWITCHER짰 CONTROLLER, 42V Synchronous Step-Down
	LM3150MHE	482Kb / 20P	SIMPLE SWITCHER짰 CONTROLLER, 42V Synchronous Step-Down
	LM3150MHX	482Kb / 20P	SIMPLE SWITCHER짰 CONTROLLER, 42V Synchronous Step-Down

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Mô tả tương tự - LM3150MH

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LM3150	482Kb / 20P	SIMPLE SWITCHER짰 CONTROLLER, 42V Synchronous Step-Down
Analog Devices	LT8640S-2	2Mb / 30P	42V, 6A Synchronous Step-Down Silent Switcher
Texas Instruments	LM25574	973Kb / 30P	[Old version datasheet] SIMPLE SWITCHER 42V, 0.5A Step-Down Switching Regulator
	LM25574	970Kb / 30P	[Old version datasheet] SIMPLE SWITCHER 42V, 0.5A Step-Down Switching Regulator
	LM25576	1Mb / 29P	[Old version datasheet] SIMPLE SWITCHER 42V, 3A Step-Down Switching Regulator
	LM25575	1Mb / 32P	[Old version datasheet] SIMPLE SWITCHER 42V, 1.5A Step-Down Switching Regulator
Linear Technology	LT8614	252Kb / 6P	42V, 4A Micropower Synchronous Step-Down Silent Switcher
Linear Technology	LT8640	295Kb / 6P	42V, 5A Micropower Synchronous Step-Down Silent Switcher
Analog Devices	LT8650S-1	1Mb / 32P	Dual Channel 4A, 42V, Synchronous Step-Down Silent Switcher
Maxim Integrated Produc...	MAX17548	1Mb / 28P	42V, Dual-Output, Synchronous Step-Down Controller Rev 0; 2/17

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