LM5005MH

Electronic & Electrical Components

> Semiconductors - ICs

> Power Management

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Series Information for LM5005MH - Texas Instruments

Features

  • feature
    80-ns Minimum PWM ON Time For Low VOUT
  • feature
    Auxiliary Bias Supply Option to VCC
  • feature
    Configurable Soft Start With Tracking
  • feature
    Cycle-by-Cycle Overcurrent Protection
  • feature
    Emulated Peak Current-Mode Control u2013 Ultra-Fast Line and Load Transient Response
  • feature
    High-Efficiency DC-DC Buck Converter u2013 Wide Input Voltage Range From 7 V to 75 V u2013 Adjustable Output Voltage as Low as 1.225 V u2013 Output Current as High as 2.5 A u2013 Junction Temperature Range u201340u00b0C to 125u00b0C
  • feature
    Integrated 75-V, 160-mu03a9 Buck MOSFET
  • feature
    Internal High-Voltage VCC Bias Supply Regulator
  • feature
    Master or Slave Frequency Synchronization Input
  • feature
    Meets EN55022 and CISPR 22 EMI Standards
  • feature
    Monotonic Start-up into Prebiased Output
  • feature
    Precision Standby and Shutdown Input u2013 Programmable Input UVLO With Hysteresis
  • feature
    Remote Shutdown and Standby Control
  • feature
    Switching Frequency From 50 kHz to 500 kHz
  • feature
    Thermal Shutdown Protection With Hysteresis
  • feature
    Thermally-Enhanced 20-Pin HTSSOP Package
  • feature
    VCC and Gate Drive UVLO Protection
  • feature
    u00b11.5% Feedback Voltage Accuracy

Description

V REG BUCK 2.5A 75V SMD TSSOP20
The LM5005 high-voltage buck converter features all of the functions necessary to implement an efficient high-voltage switching regulator with a minimum number of external components. This easy-to-use converter operates over an input voltage range from 7 V to 75 V and delivers a maximum output current of 2.5 A. The control loop architecture is based upon current-mode control using an emulated current ramp for high noise immunity. Current-mode control provides inherent line feed-forward, cycle-by-cycle overcurrent protection and straightforward loop compensation. The use of an emulated control ramp reduces noise sensitivity of the PWM circuit, allowing reliable control of small duty cycles necessary in high input voltage applications. The switching frequency is resistor-programmable from 50 kHz to 500 kHz. To reduce EMI, an oscillator synchronization pin allows multiple LM5005 regulators to self-synchronize or be synchronized to an external clock signal. Additional protection features include configurable soft start, external power supply tracking, thermal shutdown with automatic recovery, and remote shutdown capability. The LM5005 is available in an 20-pin HTSSOP package with an exposed pad that is soldered to the PCB to achieve a low junction-to-board thermal impedance. To create a custom regulator design, use the LM5005 with WEBENCH® Power Designer.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
7V
Input Voltage Max:
75V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
HTSSOP
No. of Pins:
20Pins
Output Current:
2.5A
Output Voltage Min:
1.225V
Output Voltage Max:
70V
Switching Frequency:
500kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Max:
70V
Base Number:
5005
Frequency:
500kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Voltage:
1.225V
Primary Input Voltage:
75V
Supply Voltage Min:
7V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Voltage Regulator

Alternate Descriptions

Avnet Europe

Conv DC-DC Single Inv/Step Down 7V to 75V 20-Pin TSSOP EP Rail