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Details for TPS53317ARGBT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV SYNC BUCK 1MHZ VQFN-20
TPS53317ARGBT image

TPS53317ARGBT by Texas Instruments

DC/DC CONV SYNC BUCK 1MHZ VQFN-20
Features
0.9-V to 6-V Conversion Voltage
3.5 mm u00d7 4 mm, 20-Pin, VQFN Package
Adjustable Output Voltage from 0.45 V to 2 V
D-CAP+u2122 Mode Architecture
External Tracking
Minimum External Components Count
Optimized Efficiency at Light and Heavy Loads
Overvoltage, Over-Temperature and Hiccup Undervoltage Protection
Selectable 600-kHz or 1-MHz Switching Frequency
Selectable Overcurrent Limit (OCL)
Selectable SKIP Mode or Forced CCM
Supports All MLCC Output Capacitors and SP/POSCAP
Supports DDR Memory Termination with up to 6-A Continuous Output Source or Sink Current
TI-Proprietary Integrated MOSFET and Packaging Technology
Part Information
TPS53317ARGBT image
RoHS Compliant
Description
The TPS53317A device is a FET-integrated synchronous buck regulator designed mainly for DDR termination. It can provide a regulated output at ½ VDDQ with both sink and source capability. The TPS53317A device employs D-CAP+ mode operation that provides ease of use, low external component count and fast transient response. The device can also be used for other point-of-load (POL) regulation applications requiring up to 6 A. In addition, the device supports full, 6-A, output sinking current capability with tight voltage regulation. The device features two switching frequency settings (600 kHz and 1 MHz), integrated droop support, external tracking capability, pre-bias startup, output soft discharge, integrated bootstrap switch, power good function, V5IN pin UVLO protection, and supports both ceramic and SP/POSCAP capacitors. It supports input voltages up to 6.0 V, and output voltages adjustable from 0.45 V to 2.0 V. The TPS53317A device is available in the 3.5 mm × 4 mm, 20-pin, VQFN package (Green RoHs compliant and Pb free) with TI proprietary Integrated MOSFET and packaging technology and is specified from –40°C to 85°C.
Specifications
Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
6.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
VQFN
No. of Pins:
20Pins
Output Current:
6A
Output Voltage Min:
450mV
Output Voltage Max:
2V
Switching Frequency:
1MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
DDR/DDR2/DDR3/DDR3L/DDR4 Termination Regulator 6A 4.5V to 6.5V 20-Pin VQFN T/R Avnet America
DDR/DDR2/DDR3/DDR3L/DDR4 Termination Regulator 6A 4.5V to 6.5V 20-Pin VQFN T/R Avnet Europe