Product Summary

The TPS51117RGYR is a high-performance SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER.

Parametrics

TPS51117RGYR Parametrics:

Packaging Tape & Reel (TR)
PWM Type Hybrid
Number of Outputs 1
Frequency - Max 550kHz
Duty Cycle 95%
Voltage - Supply 4.5 V ~ 5.5 V
Buck Yes
Boost No
Flyback No
Inverting No
Doubler No
Divider No
Cuk No
Isolated No
Operating Temperature -40°C ~ 85°C
Package / Case 14-VFQFN Exposed Pad
Dynamic Catalog Hybrid
For Use With
296-31163-ND - EVAL MODULE FOR TPS51117
Other Names 296-19889-2

Features

TPS51117RGYR Features:

? High Efficiency, Low Power Consumption,4.5-μA Typical Shutdown Current
? Fixed Frequency Emulated On-Time Control,Adjustable from 100 kHz to 550 kHz
? D-CAP? Mode with 100-ns Load Step Response
? < 1% Initial Reference Accuracy
? Selectable Auto-Skip/PWM-Only Operation
? Temperature Compensated (4500 ppm/°C) Low-Side RDS(on) Overcurrent Sensing
? Negative Overcurrent Limit
? Integrated Boost Diode
? Integrated OVP/UVP and Thermal Shutdown
? Power-Good Signal
? Internal 1.2-ms Voltage Softstart
? Integrated Output Discharge (Softstop)

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
TPS51117RGYR
TPS51117RGYR
Texas Instruments
DC/DC Switching Controllers Wide Vin Synch Buck Cntrlr
Data Sheet
0-1: $2.13
1-25: $1.74
25-100: $1.48
100-250: $1.33
TPS51117RGYRG4
TPS51117RGYRG4
Texas Instruments
DC/DC Switching Controllers Wide Vin Synch Buck Cntrlr
Data Sheet
0-2230: $0.97
2230-3000: $0.94
3000-6000: $0.90