LM5122QMH/NOPB

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Details for Texas Instruments

LM5122QMH/NOPB

Automotive Grade, 3-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capabili
Buy Directly from Texas Instruments (8726 in Stock)
$2.4800 per unit
Series Information for LM5122QMH/NOPB - Texas Instruments

Description

SWITCHING CONTROLLER 1MHZ HTSSOP-20
The LM5122 is a multiphase capable synchronous boost controller intended for high-efficiency synchronous boost regulator applications. The control method is based upon peak current mode control. Current mode control provides inherent line feedforward, cycle-by-cycle current limiting and ease of loop compensation. The switching frequency is programmable up to 1 MHz. Higher efficiency is achieved by two robust Nchannel MOSFET gate drivers with adaptive deadtime control. A user-selectable diode emulation mode also enables discontinuous mode operation for improved efficiency at light load conditions. An internal charge pump allows 100% duty cycle for high-side synchronous switch (Bypass operation). A 180º phase shifted clock output enables easy multiphase interleaved configuration. Additional features include thermal shutdown, frequency synchronization, hiccup mode current limit and adjustable line undervoltage lockout.

Specifications

Supply Voltage Min:
4.5V
Supply Voltage Max:
65V
No. of Outputs:
1Outputs
Duty Cycle (%):
100%
Controller IC Case Style:
HTSSOP
No. of Pins:
20Pins
Switching Frequency:
975kHz
Topology:
Synchronous Boost (Step Up)
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)
Output Current:
15A
Primary Input Voltage:
65V

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Sync Buck 4.5V to 65V 20-Pin HTSSOP Tube

Avnet America product

Avnet Europe

DC DC Cntrlr Single-OUT Sync Buck 4.5V to 65V 20-Pin HTSSOP Tube

Avnet Europe product

Texas Instruments

Automotive Grade, 3-65V Wide Vin, Current Mode Synchronous Boost Controller with Multiphase Capabili

Texas Instruments product