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

LM5088MHX-2/NOPB General Description

In conclusion, the LM5088MHX-2/NOPB is a comprehensive solution for high voltage buck converter applications, offering a wide range of features and capabilities in a compact and easy-to-use package. Whether for industrial, automotive, or other high-power applications, this controller provides the necessary functions for efficient power management and control. With its versatile design and advanced features, the LM5088MHX-2/NOPB is a reliable choice for designers looking to achieve high performance and reliability in their power supply designs

Key Features

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C5
  • Emulated current mode control
  • Drives external high-side N-channel MOSFET
  • Ultra-wide input voltage range from 4.5 V to 75 V
  • Low IQ shutdown and standby modes
  • High duty cycle ratio feature for reduced dropout voltage
  • Spread spectrum EMI reduction (LM5088-1)
  • Hiccup timer for overload protection (LM5088-2)
  • Adjustable output voltage from 1.205 V with 1.5% feedback reference accuracy
  • Wide bandwidth error amplifier
  • Single resistor oscillator frequency setting
  • Oscillator synchronization capability
  • Programmable soft start
  • High voltage, low dropout bias regulator
  • Thermal shutdown protection
  • 16-pin HTSSOP package


Source Content uid LM5088MHX-2/NOPB Pbfree Code Yes
Part Life Cycle Code Active Pin Count 16
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Additional Feature ALSO HAS ADJUSTABLE OUTPUT VOLTAGE FROM 1.205V
Control Technique PULSE WIDTH MODULATION Input Voltage-Max 75 V
Input Voltage-Min 4.5 V Input Voltage-Nom 48 V
JESD-30 Code R-PDSO-G16 JESD-609 Code e3
Length 5 mm Moisture Sensitivity Level 1
Number of Functions 1 Number of Outputs 1
Number of Terminals 16 Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C Output Current-Max 10 A
Output Voltage-Max 70 V Output Voltage-Min 1.205 V
Output Voltage-Nom 7.8 V Peak Reflow Temperature (Cel) 260
Seated Height-Max 1.1 mm Surface Mount YES
Switcher Configuration SINGLE Switching Frequency-Max 1000 kHz
Temperature Grade AUTOMOTIVE Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING Terminal Pitch 0.65 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 4.4 mm Vin (min) (V) 4.5
Vin (max) (V) 75 Vout (min) (V) 1.205
Vout (max) (V) 70 Iout (max) (A) 10
Iq (typ) (mA) 3.8 Switching frequency (min) (kHz) 50
Switching frequency (max) (kHz) 1000 EMI features Spread Spectrum
Features Adjustable current limit, Enable, Frequency synchronization, Spread Spectrum Operating temperature range (°C) -40 to 125
Regulated outputs (#) 1 Number of phases 1
Rating Catalog Control mode current mode
Type Controller

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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In Stock: 5,020

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $2.423 $2.42
10+ $2.074 $20.74
30+ $1.856 $55.68
100+ $1.632 $163.20
500+ $1.531 $765.50
1000+ $1.486 $1,486.00

The prices below are for reference only.