TPS51225RUKR - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS51225RUKR
Manufacturer

TI
ChipWorker Part#

CW9096496
Category

DC to DC Converter
Package

WQFN-20
Description

DC-DC Cntrlr Dual-OUT Step Down 360kHz/430kHz 20Pin WQFN EP T/R
Documentation

Datasheet

TPS51225RUKR Global Supplier

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TPS51225RUKR Specifications

Attribute	Attribute Value

Part Number	TPS51225RUKR
Manufacturer	TI
ChipWorker Part#	CW9096496
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	WQFN-20
Number of Outputs	2 Output
Quiescent Current	900 µA
Number of Regulated Outputs	2 Output
Switching Frequency	300kHz, 355kHz
Topology	Buck
Input Voltage (Max)	24 V
Input Voltage (Min)	5.5 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	5.5V ~ 24V
Input Voltage	5.5V ~ 24V
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

DESCRIPTION
The TPS51225/B/C is a cost-effective, dual-synchronous buck controller targeted for notebook
system-power supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components. The 260-kHz VCLK output can be used to drive an external charge pump, generating gate drive voltage for the load switches without reducing the main converter efficiency. The TPS51225/B/C supports high efficiency, fast transient response and provides a combined power-good signal. Adaptive on-time, D-CAP™ control provides convenient and efficient operation. The device operates with supply input voltage ranging from 5.5 V to 24 V and supports output voltages of 5.0 V and 3.3 V. The TPS51225/B/C is available in a 20-pin, 3 mm × 3 mm, QFN package and is specified from –40°C to 85°C.
FEATURES
• Input Voltage Range: 5.5 V to 24 V
• Output Voltages: 5 V and 3.3 V (Adjustable Range ±10%)
• Built-in, 100-mA, 5-V and 3.3-V LDOs
• Clock Output for Charge-Pump
• ±1% Reference Accuracy
• Adaptive On-time D-CAP™ Mode Control Architecture with 300kHz/355kHz Frequency Setting
• Auto-skip Light Load Operation (TPS51225/C)
• OOA Light Load Operation (TPS51225B)
• Internal 0.8-ms Voltage Servo Soft-Start
• Low-Side RDS(on) Current Sensing Scheme with 4500 ppm/°C Temperature Coefficient
• Built-in Output Discharge Function
• Separate Enable Input for Switchers(TPS51225/B/C)
• Dedicated OC Setting Terminals
• Power Good Indicator
• OVP/UVP/OCP Protection
• Non-latch UVLO/OTP Protection
• 20-Pin, 3 mm × 3 mm, QFN (RUK)
APPLICATIONS
• Notebook Computers
• Netbook, Tablet Computers

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- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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