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Details for LM5175QPWPTQ1 by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM5175QPWPTQ1
Buy Directly from Texas Instruments (3584 in stock) $3.6300
DC/DC CTRL SYNC BUCK-BOOST HTSSOP-28
LM5175QPWPTQ1 image

LM5175QPWPTQ1 by Texas Instruments

DC/DC CTRL SYNC BUCK-BOOST HTSSOP-28
Features
AEC-Q100 Qualified with the following results: u2013 Device Temperature Grade 1: u201340u00b0C to +125u00b0C Ambient Operating Temperature Range u2013 Device HBM ESD Classification Level 2 u2013 Device CDM ESD Classification Level C4B
Adjustable Switching Frequency
Cycle-by-Cycle Current Limit and Optional Hiccup
Flexible VOUT Range: 0.8 V to 55 V
HTSSOP-28 Package
High Efficiency Buck-Boost Transition
Integrated 2-A MOSFET Gate Drivers
Optional Frequency Sync and Dithering
Optional Input or Output Average Current Limiting
Power Good and Output Overvoltage Protection
Programmable Input UVLO and Soft-Start
Qualified for Automotive Applications
Selectable CCM or DCM with Pulse Skipping
Single Inductor Buck-Boost Controller for Step- Up/Step-Down DC/DC Conversion
VOUT Short Protection
Wide VIN Range: 3.5 V to 42 V, 60 V Maximum
Part Information
LM5175QPWPTQ1 image
RoHS Compliant
Description
The LM5175-Q1 is a synchronous four-switch buckboost DC/DC controller capable of regulating the output voltage at, above, or below the input voltage. The LM5175-Q1 operates over a wide input voltage range of 3.5 V to 42 V (60 V maximum) to support a variety of applications. The LM5175-Q1 employs current-mode control both in buck and boost modes of operation for superior load and line regulation. The switching frequency is programmed by an external resistor and can be synchronized to an external clock signal. The device also features a programmable soft-start function and offers protection features including cycle-by-cycle current limiting, input undervoltage lockout (UVLO), output overvoltage protection (OVP), and thermal shutdown. In addition, the LM5175-Q1 features selectable Continuous Conduction Mode (CCM) or Discontinuous Conduction Mode (DCM) operation, optional average input or output current limiting, optional spread spectrum to reduce peak EMI, and optional hiccup mode protection in sustained overload conditions.
Specifications
Supply Voltage Min:
3.5V
Supply Voltage Max:
42V
No. of Outputs:
1 Output
Duty Cycle (%):
-
Controller IC Case Style:
HTSSOP
No. of Pins:
28Pins
Switching Frequency:
600kHz
Topology:
Synchronous Buck-Boost
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
LM5175-Q1 Series
Automotive Qualification Standard:
AEC-Q100
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
DC DC Cntrlr Single-OUT Synchronous Boost/Buck Controller 3.5V to 42V 28-Pin HTSSOP EP T/R Avnet America
DC DC Cntrlr Single-OUT Synchronous Boost/Buck Controller 3.5V to 42V 28-Pin HTSSOP EP T/R Avnet Europe
42V Wide Vin Synchronous 4-Switch Buck-Boost Controller Texas Instruments