Specification	TPS43000PW

Clock Sync	True
Control Features	Current Limit, Frequency Control, Enable
Duty Cycle (Max) [Max]	100 %
Duty Cycle (Max) [Min]	90 %
Frequency - Switching [Max]	1 MHz
Frequency - Switching [Min]	250 kHz
Function	Step-Up, Step-Up/Step-Down, Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	16-TSSOP
Package / Case [x]	0.173 in
Package / Case [y]	4.4 mm
Supplier Device Package	16-TSSOP
Synchronous Rectifier	True
Topology	Buck, SEPIC, Flyback, Boost, Buck-Boost
Voltage - Supply (Vcc/Vdd) [Max]	9 V
Voltage - Supply (Vcc/Vdd) [Min]	1.8 V

TPS43000 Series

Multi-Topology (buck, boost, sepic) High Frequency DC/DC Controller

Part	Output Phases	Number of Outputs	Duty Cycle (Max) [Min]	Duty Cycle (Max) [Max]	Output Type	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Output Configuration	Frequency - Switching [Max]	Frequency - Switching [Min]	Supplier Device Package	Mounting Type	Control Features	Package / Case [x]	Package / Case	Package / Case [y]	Topology	Function	Supplied Contents	Utilized IC / Part	Voltage - Input [Max]	Voltage - Input [Min]	Voltage - Output	Main Purpose	Frequency - Switching	Current - Output	Outputs and Type	Outputs and Type	Board Type	Regulator Topology
Texas Instruments TPS43000PWR	1	1	90 %	100 %	Transistor Driver	85 °C	-40 °C	9 V	1.8 V	Positive	1 MHz	250 kHz	16-TSSOP	Surface Mount	Current Limit Enable Frequency Control	0.173 in	16-TSSOP	4.4 mm	Boost Buck Buck-Boost Flyback SEPIC	Step-Down Step-Up Step-Up/Step-Down
Texas Instruments TPS43000EVM-001																					Board(s)	TPS43000	8.5 V	4.5 V	3.3 V	DC/DC Step Down	1 MHz	2 A	Non-Isolated	1	Fully Populated	Buck
Texas Instruments TPS43000PW	1	1	90 %	100 %	Transistor Driver	85 °C	-40 °C	9 V	1.8 V	Positive	1 MHz	250 kHz	16-TSSOP	Surface Mount	Current Limit Enable Frequency Control	0.173 in	16-TSSOP	4.4 mm	Boost Buck Buck-Boost Flyback SEPIC	Step-Down Step-Up Step-Up/Step-Down

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Arrow	N/A	90	$ 3.67
Digikey	Tube	1	$ 4.61
		10	$ 4.17
		90	$ 3.45
		270	$ 3.41
Texas Instruments	TUBE	1	$ 5.78
		100	$ 4.71
		250	$ 3.70
		1000	$ 3.14

Description

General part information

TPS43000 Series

The TPS43000 is a high-frequency, voltage-mode, synchronous PWM controller that can be used in buck, boost, SEPIC, or flyback topologies. This highly flexible, full-featured controller is designed to drive a pair of external MOSFETs (one N-channel and one P-channel), enabling it for use with a wide range of output voltages and power levels. With an automatic PFM mode, a shutdown current of less than 1 uA, a sleep-mode current of less than 100 uA and a full operating current of less than 2 mA at 1 MHz, it is ideal for building highly efficient, dc-to-dc converters.

The TPS43000 operates over a wide input voltage range of 1.8 V to 9.0 V. Typical power sources are distributed power systems, two to four nickel or alkaline batteries, or one to two lithium-ion cells. It can be used to generate regulated output voltages from as low as 0.8 V to 8 V or higher. It operates either in a fixed-frequency mode, where the user programs the frequency (up to 2 MHz), or in an automatic PFM mode. In the automatic mode, the controller goes to sleep when the inductor current goes discontinuous, and wakes up when the output voltage has fallen by 2%. In this hysteretic mode of operation, very high efficiency can be maintained over a very wide range of load current. The device can also be synchronized to an external clock source using the dual function SYNC/SD input pin.

The TPS43000 features a selectable two-level current-limit circuit which senses the voltage drop across the energizing MOSFET. The user can select either pulse-by-pulse current limiting or hiccup mode overcurrent protection. The TPS43000 also features a low-power (LP) mode (which reduces gate charge losses in the N-channel MOSFET at high input/output voltages), undervoltage lockout, and soft-start. The TPS43000 is available in a 16-pin TSSOP (PW) package.

Documents

Technical documentation and resources

Multimode High-Frequency PWM Controller datasheet

Data sheet