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Details for TPS54335ADDAR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV SYNC BUCK 1.5MHZ SOIC-8
TPS54335ADDAR image

TPS54335ADDAR by Texas Instruments

DC/DC CONV SYNC BUCK 1.5MHZ SOIC-8
Features
0.8-V Voltage Reference with u00b10.8% Accuracy
8-Pin SO PowerPADu2122 and 10-Pin VSON Package
Create a Custom Design Using the TPS54335A
Current Mode Control
Hiccup Mode Overcurrent Protection
Low 2-u00b5A Shutdown, Quiescent Current
Monotonic Startup into Pre-Biased Outputs
Pulse Skipping for Light-Load Efficiency
Synchronous 128-mu03a9 and 84-mu03a9 MOSFETs for 3-A Continuous Output Current
TPS54335A: Internal 2-ms Soft-Start, 50-kHz to 1.5-MHz Adjustable Frequency
TPS54336A: Adjustable Soft-Start, Fixed 340-kHz Frequency
Thermal Shutdown (TSD) and Overvoltage Transition Protection
Part Information
TPS54335ADDAR image
RoHS Compliant
Description
The TPS5433xA family of devices are synchronous converters with an input-voltage range of 4.5 V to 28 V. These devices include This device has an integrated low-side switching FET that eliminates the need for an external diode which reduces component count. Efficiency is maximized through the integrated 128mΩ and 84-mΩ MOSFETs, low IQ and pulse skipping at light loads. Using the enable pin, the shutdown supply current is reduced to 2 μA. This step-down (buck) converter provides accurate regulation for a variety of loads with a well-regulated voltage reference that is 1.5% over temperature. Cycle-by-cycle current limiting on the high-side MOSFET protects the TPS5433xA family of devices in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. A low-side sinking current-limit turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection is triggered if the overcurrent condition continues for longer than the preset time. Thermal shutdown disables the device when the die temperature exceeds the threshold and enables the device again after the built-in thermal hiccup time.
Specifications
Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
28V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
3A
Output Voltage Min:
800mV
Output Voltage Max:
24V
Switching Frequency:
1.5MHz
Operating Temperature Max:
150°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Operating Temperature Min:
-40°C
Alternate Descriptions
Conv DC-DC Single Step Down 4.5V to 28V 8-Pin SO PowerPAD T/R Avnet America
Conv DC-DC Single Step Down 4.5V to 28V 8-Pin SO PowerPAD T/R Avnet Europe