What should engineers review before using U3525G-S16-R?

Verify operation within the 8 V to 35 V input range and 4.5 V to 35 V collector-supply range. Select RT, CT, and dead-time components for the required switching behavior, account for the alternating outputs and duty-cycle limit, and validate the feedback compensation and PCB footprint.

What is the pinout of U3525G-S16-R?

Use the U3525G-S16-R datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about U3525G-S16-R pinout to locate pins, power rails, and interface signals before layout.

U3525G-S16-R Datasheet, Specs, Alternatives & ECAD | UTC

AI summary

U3525G-S16-R is a 16-pin regulating PWM controller for switching power supplies. It integrates a 5.1 V reference, oscillator, error amplifier, soft-start, shutdown control, and two alternating output drivers.

Best for

General switching power supplies
PWM control circuits requiring alternating outputs
Designs needing adjustable soft-start and shutdown

Avoid if

Applications requiring a duty cycle above the specified per-output limit
Designs requiring documented automotive or safety qualification

Check before use

SOP-16 mechanical drawing and PCB land pattern
Output-driver loading and switching losses
Shutdown and soft-start capacitor behavior
Supply-chain qualification and compliance documentation

Key specifications

Supply voltage: 8 V to 35 V
Oscillator range: 100 Hz to 400 kHz
Reference output: 5.1 V typical
Outputs: Dual alternating totem-pole drivers
Package: SOP-16, 16 pins

Application

Switching power suppliesIndustrial PWM control

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

U3525G-S16-R is UTC's SOP-16 regulating pulse-width-modulation IC. It is intended for switching power-supply control and includes an internal error amplifier, oscillator, 5.1 V reference, soft-start circuit, shutdown input, and dual output drivers.