MAX256ASA+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MAX256ASA+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW17923039
Category

FET Driver
Package

SOIC-8
Description

Maxim MAX256ASA+, Dual MOSFET Power Driver, Half Bridge, 3 → 5.5V, 8Pin SOIC
Documentation

Datasheet

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MAX256ASA+ Specifications

Attribute	Attribute Value

Part Number	MAX256ASA+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW17923039
Category	FET Driver
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	5.00 V
Number of Outputs	2 Output
Number of Positions	8 Position
Number of Regulated Outputs	2 Output
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	5 V
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Size-Length	4.98 mm
Size-Width	3.99 mm
Size-Height	1.58 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

Product Description

The MAX256ASA+ is an integrated primary-side transformer H-bridge Driver for isolated power-supply circuits. The device contains an on-board oscillator, protection circuitry and internal FET drivers to provide up to 3W of power to the primary winding of a transformer. This can be operated using the internal programmable oscillator or can be driven by an external clock for improved EMI performance. Regardless of the clock source being used, an internal flip-flop stage guarantees a fixed 50% duty cycle to prevent DC current flow in the transformer. It operates from a single-supply voltage of +5 or +3.3V and includes under voltage lockout for controlled start-up. The device prevents cross-conduction of the H-bridge MOSFETs by implementing break-before-make switching. Thermal shutdown circuitry provides additional protection against damage due to over temperature conditions.
Simple, flexible design provides up to 3W to transformer in isolated power supplies
Internal resistor-programmable oscillator mode
External clock mode with watchdog
Disable mode
Integrated system protection
Saves space on board
10kR External resistance range
110mV Under-voltage-lockout-threshold hysteresis
1µA Input leakage current
ESD sensitive device, take proper precaution while handling the device.

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