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TI LM5088MHX-2/NOPB product image
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TI LM5088MHX-2/NOPBRoHS

Manufacturer
TI
MPN
LM5088MHX-2/NOPB
LCSC Part #
C115727
Packaging
HTSSOP-16-EP
Customer #
Key Attributes
Wide Input Range Non-Synchronous Buck Controller
Datasheetpdf iconTI LM5088MHX-2/NOPB
In-Stock: 1,315
1,315 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.515$ 2.52
10+$ 2.1696$ 21.70
30+$ 1.9523$ 58.57
100+$ 1.7302$ 173.02
500+$ 1.6297$ 814.85
1,000+$ 1.5859$ 1585.90
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerTI
PackagingHTSSOP-16-EP
Synchronous RectifierNo
FeaturesCycle-by-cycle current limiting;Hiccup current limiting;Adjustable soft-start;Frequency synchronization;EMI optimization (spread spectrum);External compensation;Built-in LDO regulator
Number of Channels1
TopologyBuck
Operating Voltage4.5V~75V
Switch tube (built-in/external)External
Output Voltage-
Operating Temperature-40℃~+125℃@(TJ)
Output Current-
Frequency - Switching1MHz
Output TypeAdjustable
FunctionStep-down type
Quiescent Current3.8mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

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.

Features

AI Translation
  • Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (-40°C to +125°C Operating Junction Temperature)
  • Emulated Current Mode Control
  • Drives External High-Side N-channel MOSFET
  • Ultra-Wide Input Voltage Range from 4.5V to 75V
  • 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
  • Package: HTSSOP (16 Pin)

Applications

AI Translation
  • Automotive Infotainment
  • Automotive USB Accessory Adapters
  • Industrial DC-DC Bias and Motor Drivers