MAX13256ATB+T by Analog Devices

36V H-Bridge Transformer Driver for Isolated Supplies


The MAX13256 H-bridge transformer driver provides a simple solution for making isolated power supplies up to 10W. The device drives a transformer's primary coil with up to 300mA of current from a wide 8V to 36V DC supply. The transformer's secondary-to-primary winding ratio defines the output voltage, allowing selection of virtually any isolated output voltage. The device features adjustable current limiting, allowing indirect limiting of secondary-side load currents. The current limit of the MAX13256 is set by an external resistor. An active-low FAULT output asserts when the device detects an overtemperature or overcurrent condition. In addition, the device features a low-power mode to reduce the overall supply current to 0.65mA (typ) when the driver is not in use. The device features an internal oscillator for autonomous operation and an external clock source input to synchronize multiple MAX13256 devices and precisely set the switching frequency. Internal circuitry guarantees a fixed 50% duty cycle to prevent DC current flow through the transformer, regardless of which clock source is used. The device is available in a small 10-pin (3mm x 3mm) TDFN package and is specified over the -40°C to +125°C automotive temperature range.

Where to Buy

Prices starting from US$4.50

Distributor Stock
Logo for Farnell
Farnell
from US$4.50
3,344
in stock
Buy Now
Logo for Newark Electronics
Newark Electronics
from US$4.82
3,344
in stock
Buy Now
Logo for element14
element14
from US$4.75
3,344
in stock
Buy Now

Features

Simple, Flexible Design 8V to 36V Supply Range Up to 90% Efficiency Provides Up to 10W to the Transformer Undervoltage Lockout 2.5V to 5V Compatible Logic Interface Internal or External Clock Source Adjustable Overcurrent Threshold
8V to 36V Supply Range
Up to 90% Efficiency
Provides Up to 10W to the Transformer
Undervoltage Lockout
2.5V to 5V Compatible Logic Interface
Internal or External Clock Source
Adjustable Overcurrent Threshold
Integrated System Protection Fault Detection and Indication Overcurrent Limiting Overtemperature Protection
Fault Detection and Indication
Overcurrent Limiting
Overtemperature Protection
Saves Space on Board Small 10-Pin TDFN Package (3mm x 3mm)
Small 10-Pin TDFN Package (3mm x 3mm)

Specifications

Application (VIN) Industrial (24V)
VIN (V) (min) 8
VIN (V) (max) 36
Driver Output Resistance (Ω) (max) 1.5
Max. IOUT (A) 0.3
Topology Full-Bridge
Switching Frequency (kHz) 425
IQ (mA) (max) 9
Package/Pins TDFN-CU/10
Oper. Temp. (°C) -40 to +125
BudgetaryPrice (See Notes) 3.25


MAX13256ATB+T Special Function by Analog Devices

TRANSFORMER DRIVER TDFN-10

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The MAX13256 H-bridge transformer driver provides a simple solution for making isolated power supplies up to 10W. The device drives a transformer’s primary coil with up to 300mA of current from a wide 8V to 36V DC sup- ply. The transformer’s secondary-to-primary winding ratio defines the output voltage, allowing selection of virtually any isolated output voltage. The device features adjustable current limiting, allowing indirect limiting of secondary-side load currents. The cur- rent limit of the MAX13256 is set by an external resistor. A FAULT output asserts when the device detects an overtem- perature or overcurrent condition. In addition, the device features a low-power mode to reduce the overall supply current to 0.65mA (typ) when the driver is not in use. The device can be operated using the internal oscillator or driven by an external clock to synchronize multiple MAX13256 devices and precisely set the switching fre- quency. Internal circuitry guarantees a fixed 50% duty cycle to prevent DC current flow through the transformer, regardless of which clock source is used. The device is available in a small 10-pin (3mm x 3mm) TDFN package and is specified over the -40NC to +125NC automotive temperature range.

Specifications

IC Function Transformer Driver
Supply Voltage Min 8V
Supply Voltage Max 36V
IC Package Type TDFN
No. of Pins 10Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Transformer Driver, 36V, Tdfn-10 | Newark Electronics
TRANSFORMER DRIVER, TDFN-10 | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX13256ATB+T ?

Additional datasheets, footprints and schematics for MAX13256ATB+T are listed on our Part Details page. You can also find images and similar parts to MAX13256ATB+T on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for MAX13256ATB+T on our Product Comparison page. Access via the 'View Pricing & Stock' button to view MAX13256ATB+T price breaks, MOQs, lead times, inventory and SKUs from distributors.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the MAX13256ATB+T you can contact the distributor directly for product support, shipping queries etc.

Is the MAX13256ATB+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX13256ATB+T have stock available?

Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX13256ATB+T .

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for MAX13256ATB+T often in real-time on the comparison pages.

What if I can't find stock of MAX13256ATB+T ?

You can fill out our help required form which you can use to request a quote for MAX13256ATB+T from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

We use cookies to improve your experience. See our privacy policy.
Okay