Maxim Integrated MAX4970EBC T
- Part Number:
- MAX4970EBC T
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3268354-MAX4970EBC T
- Description:
- IC OVERVOLTAGE PROT CTRLR 12USCP
- Datasheet:
- MAX4970EBC T
Description
The MAX4970/MAX4971/MAX4972 family of overvoltage protection devices features a low 40mΩ (typ) RON internal FET and protect low-voltage systems against voltage faults up to 28V. These devices also drive an optional external pFET to protect against reverse-polarity input voltages. When the input voltage exceeds the overvoltage threshold, the internal FET is turned off to prevent damage to the protected components.
All switches feature a 2.3A (min) current-limit protection. During a short-circuit occurrence, the device operates in an autoretry mode where the internal MOSFET is turned on to check if the fault has been removed. The autoretry interval time is 15ms, and if the fault is removed, the MOSFET remains on.
The MAX4970/MAX4971/MAX4972 feature an enable input (EN) that controls the operation of the internal nFET as well as the optional external pFET. The use of EN allows the external pFET to block reverse voltages independent of any signal present at the output.
The overvoltage thresholds (OVLO) are preset to 4.65V (MAX4972), 5.8V (MAX4970), or 6.35V (MAX4971). The undervoltage thresholds (UVLO) are preset to 2.45V. When the input voltage drops below the UVLO, the devices enter a low-current standby mode.
All devices are offered in a small 12-bump, WLP package and operate over the -40°C to 85°C extended temperature range.
Features
Integrated nFET Switch
Reverse Voltage Protection with External pFET
Enable Input
Preset Overvoltage Protection Trip Level
5.8V (MAX4970)
6.35V (MAX4971)
4.65V (MAX4972)
Low-Current Undervoltage-Lockout Mode
Short-Circuit Protection (Autoretry)
Internal 15ms Startup Delay and Retry Times
Input-Voltage Power-Good Logic Output
Thermal-Shutdown Protection
2mm x 1.5mm, 12-Bump WLP Package
Applications
Input Voltage Protection up to 28V
Cell Phones
Digital Still Cameras
PDAs and Palmtop Devices
MP3 Players
The MAX4970/MAX4971/MAX4972 family of overvoltage protection devices features a low 40mΩ (typ) RON internal FET and protect low-voltage systems against voltage faults up to 28V. These devices also drive an optional external pFET to protect against reverse-polarity input voltages. When the input voltage exceeds the overvoltage threshold, the internal FET is turned off to prevent damage to the protected components.
All switches feature a 2.3A (min) current-limit protection. During a short-circuit occurrence, the device operates in an autoretry mode where the internal MOSFET is turned on to check if the fault has been removed. The autoretry interval time is 15ms, and if the fault is removed, the MOSFET remains on.
The MAX4970/MAX4971/MAX4972 feature an enable input (EN) that controls the operation of the internal nFET as well as the optional external pFET. The use of EN allows the external pFET to block reverse voltages independent of any signal present at the output.
The overvoltage thresholds (OVLO) are preset to 4.65V (MAX4972), 5.8V (MAX4970), or 6.35V (MAX4971). The undervoltage thresholds (UVLO) are preset to 2.45V. When the input voltage drops below the UVLO, the devices enter a low-current standby mode.
All devices are offered in a small 12-bump, WLP package and operate over the -40°C to 85°C extended temperature range.
Features
Integrated nFET Switch
Reverse Voltage Protection with External pFET
Enable Input
Preset Overvoltage Protection Trip Level
5.8V (MAX4970)
6.35V (MAX4971)
4.65V (MAX4972)
Low-Current Undervoltage-Lockout Mode
Short-Circuit Protection (Autoretry)
Internal 15ms Startup Delay and Retry Times
Input-Voltage Power-Good Logic Output
Thermal-Shutdown Protection
2mm x 1.5mm, 12-Bump WLP Package
Applications
Input Voltage Protection up to 28V
Cell Phones
Digital Still Cameras
PDAs and Palmtop Devices
MP3 Players
Maxim Integrated MAX4970EBC T technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX4970EBC T.
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case12-WFBGA, WLCSP
- Number of Pins12
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- Published2008
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- ApplicationsOvervoltage Protection Controller
- HTS Code8542.39.00.01
- Max Power Dissipation519mW
- Base Part NumberMAX4970
- Max Supply Voltage28V
- Min Supply Voltage2.2V
- Operating Supply Current60μA
- Voltage - Input2.2V~28V
- Max Supply Current107μA
- Watchdog TimerNo
- Min Reset Threshold Voltage5.6V
- Max Reset Threshold Voltage6.2V
- Telecom IC TypeSURGE PROTECTION CIRCUIT
- RoHS StatusROHS3 Compliant
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