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Texas Instruments LM5035AMH-1/NOPB — Analog & Data Acquisition

TI LM5035AMH-1/NOPB Half-Bridge PWM Controller, 105V

MPNLM5035AMH-1/NOPB
End of Life

Texas Instruments LM5035AMH-1/NOPB, voltage-mode PWM switching controller, half-bridge topology, 13-105V supply, 200/500kHz, 28-HTSSOP, Bulk.

$2.32Ref. price · indicative, final on quote
Texas Instruments LM5035AMH-1/NOPB datasheet (PDF)
Packaging28-PowerTSSOP (0.173", 4.40mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LM5035AMH-1/NOPB specifications
ParameterValue
Output typeTransistor Driver
MountingSurface Mount
Voltage - supply (Vcc (Vdd))13V ~ 105V
Frequency - switching200kHz, 500kHz
I/O channels1
Output phases1
Operating temperature-40°C ~ 125°C (TJ)
PackageBulk
FunctionStep-Up/Step-Down
TopologyHalf-Bridge
Clock syncYes
Case28-PowerTSSOP (0.173\", 4.40mm Width)
Control featuresFrequency Control, Ramp, Soft Start
Output configurationPositive, Isolation Capable
Synchronous rectifierYes

Product details

Half-bridge controller with 105 V input ceiling

The LM5035AMH-1/NOPB is a voltage-mode PWM controller from Texas Instruments, built for half-bridge topologies. Switching frequency is set to either 200 kHz or 500 kHz via an external resistor — the lower frequency reduces switching losses in heavy-load designs; the higher frequency shrinks the transformer and output filter. Clock sync lets multiple controllers share a common timing reference, which suppresses beat-frequency ripple in multi-output supplies. The synchronous rectifier output drives an external SR FET, replacing the freewheeling diode for higher efficiency at the cost of one extra gate-drive channel on the secondary side.

Frequently asked questions

What is LM5035AMH-1/NOPB's listed function?

Its function is Step-Up/Step-Down using a Half-Bridge topology. It is a voltage-mode PWM controller that drives external MOSFETs in a half-bridge configuration — suitable for isolated DC-DC converters, bus converters, and telecom power supplies.

Will LM5035AMH-1/NOPB drop into a panel specified around LM25117PMHX/NOPB without rewiring?

No. The LM25117PMHX/NOPB is a Buck-only controller, while the LM5035AMH-1/NOPB is a Half-Bridge controller. The pinout, control loop, and external component count differ — a board spin is required.