Datasheet > LM5015_15

LM5015_15

更新时间： 2024-11-17 01:12:15

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High Voltage Monolithic Two-Switch Forward DC-DC Regulator

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LM5015_15 数据手册

LM5015

www.ti.com

SNVS538C –NOVEMBER 2007–REVISED APRIL 2013

LM5015 High Voltage Monolithic Two-Switch Forward DC-DC Regulator

Check for Samples: LM5015

FEATURES

DESCRIPTION

The LM5015 high voltage switch mode regulator

features all the functions necessary to implement

efficient high voltage Two-Switch Forward and Two-

Switch Flyback regulators, using a minimum of

external components. This easy to use regulator

integrates high side and low side 75 Volt N-Channel

MOSFETs with a minimum 1 Amp peak current limit.

The voltage across the MOSFETs employed in the

two-switch topology is clamped to the input voltage,

allowing the input voltage range to approach the

rating of the MOSFETs. The regulator control method

is based on current mode control providing inherent

ease of loop compensation and line feed-forward for

superior rejection of input transients.

•

Dual Integrated 75V N-Channel MOSFETs

Ultra-Wide Input Voltage Range: 4.25V to 75V

Integrated High Voltage Bias Regulator

Adjustable Output Voltage

1.5% Feedback Reference Accuracy

Current Mode Control with Selectable

Compensation

•

Wide Bandwidth Error Amplifier

Integrated Current Sensing and Limiting

50% Maximum Duty Cycle Limit

Single Resistor Oscillator Programming

Oscillator Synchronization Capability

Programmable Soft-Start

The operating frequency is set with a single resistor

and is programmable up to 750 kHz. The oscillator

can also be synchronized to an external clock.

Additional protection features include cycle-by-cycle

current limiting, thermal shutdown, under-voltage

lockout and remote shutdown capability. The device

is available in the HTSSOP-14EP package featuring

an exposed die attach pad to enhance thermal

dissipation.

Enable / Under-Voltage Lockout (UVLO) Pin

Thermal Shutdown

PACKAGE

•

HTSSOP-14EP (Exposed Pad)

Typical Application Schematic

Input

(4.25V - 75V)

Isolated

Output

VIN

PVIN

LM5015

BST

VCC

ISOLATED

FEEDBACK

COMP

GND

PGND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...28

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与LM5015_15相关器件

型号	品牌	获取价格	描述	数据表
LM5015MH	NSC	获取价格	High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5015MH/NOPB	NSC	获取价格	IC 1.4 A SWITCHING REGULATOR, 445 kHz SWITCHING FREQ-MAX, PDSO14, LEAD FREE, TSSOP-14, Swi
LM5015MH/NOPB	TI	获取价格	High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5015MHE	NSC	获取价格	High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5015MHE/NOPB	TI	获取价格	High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5015MHX	NSC	获取价格	High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5015MHX/NOPB	TI	获取价格	High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5017	TI	获取价格	600mA Constant On-Time Synchronous Buck Regulator
LM5017_15	TI	获取价格	100-V, 600-mA Constant On-Time Synchronous Buck Regulator
LM5017MR/NOPB	TI	获取价格	100-V, 600-mA Constant On-Time Synchronous Buck Regulator

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