LM5088MH-1/NOPB

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Details for Texas Instruments

LM5088MH-1/NOPB

4.5-75V Wide Vin, Current Mode Non-Synchronous Buck Controller
Buy Directly from Texas Instruments (13451 in Stock)
$1.7600 per unit
Series Information for LM5088MH-1/NOPB - Texas Instruments

Features

  • feature
    Adjustable Output Voltage from 1.205 V with 1.5% Feedback Reference Accuracy
  • feature
    Drives External High-Side N-channel MOSFET
  • feature
    Emulated Current Mode Control
  • feature
    Hiccup Timer for Overload Protection (LM5088-2)
  • feature
    High Duty Cycle Ratio Feature for Reduced Dropout Voltage
  • feature
    High Voltage, Low Dropout Bias Regulator
  • feature
    LM5088-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (-40u00b0C to +125u00b0C Operating Junction Temperature)
  • feature
    Low IQ Shutdown and Standby Modes
  • feature
    Oscillator Synchronization Capability
  • feature
    Package: HTSSOP (16 Pin)
  • feature
    Programmable Soft-Start
  • feature
    Single Resistor Oscillator Frequency Setting
  • feature
    Spread Spectrum EMI Reduction (LM5088-1)
  • feature
    Thermal Shutdown Protection
  • feature
    Ultra-Wide Input Voltage Range from 4.5V to 75V
  • feature
    Wide Bandwidth Error Amplifier

Description

BUCK 75VIN 50KHZ-1MHZ ADJ 16TSSOP
The LM5088 high voltage non-synchronous buck controller features all the necessary functions to implement an efficient high voltage buck converter using a minimum number of external components. The LM5088 can be configured to operate over an ultra-wide input voltage range of 4.5 V to 75 V. This easy to use controller includes a level shifted gate driver capable of controlling an external N-channel buck switch. The control method is based upon peak current mode control utilizing an emulated current ramp. The use of an emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit, allowing reliable control of very small duty cycles necessary in high input voltage/low output voltage applications. The LM5088 switching frequency is programmable from 50 kHz to 1 MHz. The LM5088 is available in two versions: The LM5088-1 provides a +/-5% frequency dithering function to reduce the conducted and radiated EMI, while the LM5088-2 provides a versatile restart timer for overload protection. Additional features include a low dropout bias regulator, tri-level enable input to control shutdown and standby modes, soft-start and oscillator synchronization capability. The device is available in a thermally enhanced HTSSOP-16 pin package.

Specifications

Supply Voltage Min:
8.3V
Supply Voltage Max:
13V
No. of Outputs:
1Outputs
Duty Cycle (%):
95%
Controller IC Case Style:
HTSSOP
No. of Pins:
16Pins
Switching Frequency:
1MHz
Topology:
Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Base Number:
5088
Operating Temperature Range:
-40°C to +125°C
Output Current:
10A
Primary Input Voltage:
75V

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Buck Controller/PWM DC to DC Controller 4.5V to 75V Input 16-Pin TSSOP EP Rail

Avnet America product

Avnet Europe

DC DC Cntrlr Single-OUT Buck Controller/PWM DC to DC Controller 4.5V to 75V Input 16-Pin TSSOP EP Rail

Avnet Europe product

Texas Instruments

4.5-75V Wide Vin, Current Mode Non-Synchronous Buck Controller

Texas Instruments product