Maxim Integrated MAX256ASA
- Part Number:
- MAX256ASA
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3253143-MAX256ASA
- Description:
- IC DVR H-BRIDGE 3W 8-SOIC
- ECAD Model:
-
- Datasheet:
- MAX256ASA
Description
The MAX256 is an integrated primary-side controller and H-bridge driver for isolated power-supply circuits. It provides up to 3W of power to the primary winding of a transformer. The device can be operated using an internal programmable oscillator or an external clock. It guarantees a fixed 50% duty cycle to prevent DC current flow in the transformer. The MAX256 operates from a single-supply voltage of 5V or 3.3V and includes undervoltage lockout for controlled startup. It prevents cross-conduction of the H-bridge MOSFETs by implementing break-before-make switching. Thermal shutdown circuitry provides additional protection against damage due to overtemperature conditions.
Features
Provides up to 3W to the transformer in isolated power supplies
Single supply 5V or 3.3V operation
Internal resistor-programmable oscillator mode
External clock mode with watchdog disable mode
Undervoltage lockout
Thermal shutdown
Applications
Isolated power supplies
Medical equipment
Industrial process control
Isolated communications links
Telecommunications
The MAX256 is an integrated primary-side controller and H-bridge driver for isolated power-supply circuits. It provides up to 3W of power to the primary winding of a transformer. The device can be operated using an internal programmable oscillator or an external clock. It guarantees a fixed 50% duty cycle to prevent DC current flow in the transformer. The MAX256 operates from a single-supply voltage of 5V or 3.3V and includes undervoltage lockout for controlled startup. It prevents cross-conduction of the H-bridge MOSFETs by implementing break-before-make switching. Thermal shutdown circuitry provides additional protection against damage due to overtemperature conditions.
Features
Provides up to 3W to the transformer in isolated power supplies
Single supply 5V or 3.3V operation
Internal resistor-programmable oscillator mode
External clock mode with watchdog disable mode
Undervoltage lockout
Thermal shutdown
Applications
Isolated power supplies
Medical equipment
Industrial process control
Isolated communications links
Telecommunications
Maxim Integrated MAX256ASA technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX256ASA .
- Factory Lead Time6 Weeks
- Mounting TypeSurface Mount
- Package / Case8-SOIC (0.154, 3.90mm Width) Exposed Pad
- Surface MountYES
- Number of Pins8
- Weight540.001716mg
- Operating Temperature-40°C~150°C TJ
- PackagingTube
- Published1999
- JESD-609 Codee3
- FeatureInternal Oscillator, Watchdog Timer
- Pbfree Codeyes
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations8
- ECCN CodeEAR99
- Resistance500mOhm
- Terminal FinishMatte Tin (Sn)
- ApplicationsTransformers
- SubcategoryOther Interface ICs
- Max Power Dissipation1.509W
- TechnologyPower MOSFET
- Voltage - Supply3V~5.5V
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Supply Voltage5V
- Reflow Temperature-Max (s)30
- Base Part NumberMAX256
- Pin Count8
- Qualification StatusNot Qualified
- Max Output Current1A
- Operating Supply Voltage5V
- InterfaceLogic
- Operating Supply Current1.06mA
- Output ConfigurationHalf Bridge (2)
- Output Current per Channel600mA
- Differential OutputNO
- Input CharacteristicsSTANDARD
- Voltage - Load3V~5.5V
- Fault ProtectionESD, Over Temperature, UVLO
- Number of Drivers2
- Rds On (Typ)500m Ω LS HS
- Load TypeInductive
- Height1.58mm
- Length4.98mm
- Width3.99mm
- REACH SVHCNo SVHC
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
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