TPS54312PWP - TI

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

Part No

TPS54312PWP
Manufacturer

TI
ChipWorker Part#

CW35320128
Category

Voltage Regulator
Package

HTSSOP-20
Description

3V to 6V Input, 3A Synchronous Step-Down SWIFT™ Converter with 1.2V Output 20-HTSSOP -40℃ to 125℃
Documentation

Datasheet

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TPS54312PWP Specifications

Attribute	Attribute Value

Part Number	TPS54312PWP
Manufacturer	TI
ChipWorker Part#	CW35320128
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	HTSSOP-20
Frequency	700 kHz
Number of Outputs	1 Output
Output Voltage	1.2 V
Output Current	3 A
Number of Positions	20 Position
Drain to Source Resistance (on) (Rds)	85 mΩ
Quiescent Current	6.20 mA
Number of Regulated Outputs	1 Output
Output Power	3.85 W
Switching Frequency	550 kHz
Thermal Shutdown	Yes
Topology	Buck
Input Voltage (Max)	6 V
Input Voltage (Min)	3 V
Output Voltage (Min)	1.2 V
Output Current (Max)	3 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	1 %
Supply Voltage	3 V
Supply Voltage (Min)	3 V
Input Voltage	3V ~ 6V
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Size-Length	6.5 mm
Size-Width	4.4 mm
Size-Height	1.15 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
HK STC License	NLR

Product Description

The TPS54312PWP is a SWIFT™ step-down PWM synchronous Buck Converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3V, an internally and externally set slow-start circuit to limit in-rush currents and a powergood output useful for processor/logic reset, fault signalling and supply sequencing. It incorporates an UVLO circuit to keep the device disabled when the input voltage (VIN) is insufficient. During power up, internal circuits are held inactive until VIN exceeds the nominal UVLO threshold voltage of 2.95V. Once the UVLO start threshold is reached, device start-up begins. The device operates until VIN falls below the nominal UVLO stop threshold of 2.8V.
Internally compensated for low parts count
Fast transient response
Load protected by peak current limit and thermal shutdown
Integrated solution reduces board area
Green product and no Sb/Br

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