Product Summary

The TPS51124RGET is a dual, adaptive on-time D-CAP mode synchronous buck controller. The TPS51124RGET enables system designers to cost effectively complete the suite of notebook power bus regulators with the absolute lowest external component count and lowest standby consumption. The applications of the TPS51124RGET are Notebook I/O and Low Voltage System Bus. It is available in 24-pin QFN package specified from -40℃ to 85℃ ambient temperature range.

Parametrics

TPS51124RGET absolute maximum ratings: (1)Input voltage: VBST1, VBST2: -0.3V to 36V, VBST1, VBST2 (wrt LLx): -0.3V to 6V range, V5IN, V5FILT, EN1, EN2, VFB1, VFB2, TRIP1, TRIP2, VO1, VO2, TONSEL: -0.3V to 6V; (2)Output voltage range: DRVH1, DRVH2: -1V to 36V, DRVH1, DRVH2 (wrt LLx): -0.3V to 6V, LL1, LL2: -2V to 30 V, PGOOD1, PGOOD2, DRVL1, DRVL2: -0.3V to 6V, PGND1, PGND2: -0.3V to 0.3V; (3)Operating ambient temperature range: -40℃ to 85℃; (4)Storage temperature range: -55℃ to 150℃; (5)Junction temperature range: -40℃ to 125℃.

Features

TPS51124RGET features: (1)High Efficiency, Low-Power Consumption, Shutdowns to <1 μA; (2)Fixed Frequency Emulated On-Time Control, Frequency Selectable From Three Options; (3)D-CAP Mode Enables Fast Transient Response; (4)Auto-Skip Mode; (5)Less Than 1% Initial Reference Accuracy; (6)Low Output Ripple; (7)Wide Input Voltage Range: 3 V to 28 V; (8)Output Voltage Range: 0.76 V to 5.5 V; (9)Low-Side R DS(ON); (10)Loss-less Current Sensing; (11)Adaptive Gate Drivers With Integrated Boost Diode; (12)Internal 1.2-ms Voltage-Servo Soft Start; (13)Power-Good Signals for Each Channel With Delay Timer; (14)Output Discharge During Disable, Fault.

Diagrams

TPS51124RGET block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TPS51124RGET
TPS51124RGET

Texas Instruments

DC/DC Switching Controllers Dual Sync Step Down for Lo-Vltg Sys Pwr

Data Sheet

0-1: $2.89
1-25: $2.12
25-100: $1.81
100-250: $1.70
TPS51124RGETG4
TPS51124RGETG4

Texas Instruments

DC/DC Switching Controllers Dual Sync Step Down for Lo-Vltg Sys Pwr

Data Sheet

0-180: $1.81
180-250: $1.70
250-500: $1.67
500-1000: $1.64