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Details for TPS54623RHLT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
TPS54623RHLT
Buy Directly from Texas Instruments (3920 in stock) $1.3690
BUCK SYNC ADJ 6A 14QFN
TPS54623RHLT image

TPS54623RHLT by Texas Instruments

BUCK SYNC ADJ 6A 14QFN
Features
0.6 V u00b11% Voltage Reference Over Temperature
200 kHz to 1.6 MHz Switching Frequency
Adjustable Input Undervoltage Lockout
Adjustable Slow Start and Power Sequencing
Integrated 26 mu2126, 19 mu2126 MOSFETs
Light Load Efficient with Pulse Skip
Low 2-u00b5A Shutdown Quiescent Current
Monotonic Start-Up into Pre-biased Outputs
Power Good Output Monitor for Undervoltage and Overvoltage
Split Power Rail: 1.6 V to 17 V on PVIN
Supported by SwitcherProu2122 Software Tool
Synchronizes to External Clock
u201340u00b0C to 150u00b0C Operating Junction Temperature Range
Part Information
TPS54623RHLT image
RoHS Compliant
Description
The TPS54623 in thermally enhanced VQFN package is a full featured 17-V, 6-A synchronous step down converter which is optimized for small designs through high efficiency and integrating the high-side and low-side MOSFETs. Further space savings are achieved through current mode control, which reduces component count, and by selecting a high switching frequency, reducing the inductor's footprint. The output voltage startup ramp is controlled by the SS/TR pin which allows operation as either a stand alone power supply or in tracking situations. Power sequencing is also possible by correctly configuring the enable and the open drain power good pins. Cycle by cycle current limiting on the high-side FET protects the device in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit which turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection will be triggered if the overcurrent condition has persisted for longer than the preset time. Thermal hiccup protection disables the device when the die temperature exceeds the thermal shutdown temperature and enables the part again after the built-in thermal shutdown hiccup time. The TPS54623 operates at continuous current mode (CCM) at higher load conditions while skipping pulses to boost the efficiency at light loads.
Specifications
Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
17V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
QFN
No. of Pins:
14Pins
Output Current:
6A
Output Voltage Min:
600mV
Output Voltage Max:
-
Switching Frequency:
1.6MHz
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
Operating Temperature Range:
-40°C to +150°C
Output Voltage:
3.3V
Primary Input Voltage:
12V
Alternate Descriptions
BUCK, SYNC, ADJ, 6A, 14QFN; Topology:Synchronous Buck (Step Down); Input Voltage Min:4.5V; Input Voltage Max:17V; No. of Outputs:1Outputs; DC / DC Converter IC Case:QFN; No. of Pins:14Pins; Output Current:6A; Output Voltage RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 4.5V to 17V 14-Pin VQFN T/R Avnet America
4.5V to 17V Input, 6A Synchronous Step-Down SWIFT™ Converter with Light Load Efficiency Texas Instruments