Specification	LP87334DRHDR

Frequency - Switching	2 MHz
Mounting Type	Wettable Flank, Surface Mount
Number of Outputs	4
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	28-VFQFN Exposed Pad
Supplier Device Package	28-VQFN (5x5)
Topology	Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Voltage/Current - Output 1	3 A
Voltage/Current - Output 1	Adjustable
Voltage/Current - Output 1 [Max]	3.36 V
Voltage/Current - Output 1 [Min]	0.7 V
Voltage/Current - Output 2	3 A
Voltage/Current - Output 2 [Max]	3.36 V
Voltage/Current - Output 2 [Min]	0.7 V
Voltage/Current - Output 3	300 mA
Voltage/Current - Output 3	Adjustable
Voltage/Current - Output 3 [Max]	3.3 V
Voltage/Current - Output 3 [Min]	0.8 V
w/LED Driver	False
w/Sequencer	False
w/Supervisor	False

LP8733-Q1 Series

Automotive dual 3-A buck converters & dual linear regulators

Part	Voltage/Current - Output 2 [Max]	Voltage/Current - Output 2	Voltage/Current - Output 2 [Min]	Operating Temperature [Min]	Operating Temperature [Max]	Number of Outputs	Qualification	Package / Case	Topology	Supplier Device Package	Frequency - Switching	Mounting Type	Grade	Voltage/Current - Output 3 [Min]	Voltage/Current - Output 3 [Max]	Voltage/Current - Output 3	Voltage/Current - Output 1	Voltage/Current - Output 1 [Max]	Voltage/Current - Output 1 [Min]	Voltage/Current - Output 1	Voltage/Current - Output 3	Voltage/Current - Output 2	Voltage - Supply [Min]	Voltage - Supply [Max]
Texas Instruments LP873300RHDRQ1	3.36 V	3 A	0.7 V	-40 °C	125 °C	4	AEC-Q100	28-VFQFN Exposed Pad	Linear (LDO) (2) Step-Down (Buck) (2)	28-VQFN (5x5)	2 MHz	Surface Mount Wettable Flank	Automotive	0.8 V	3.3 V	300 mA
Texas Instruments LP87334DRHDR	3.36 V	3 A	0.7 V	-40 °C	125 °C	4		28-VFQFN Exposed Pad	Linear (LDO) (2) Step-Down (Buck) Synchronous (2)	28-VQFN (5x5)	2 MHz	Surface Mount Wettable Flank		0.8 V	3.3 V	300 mA	3 A	3.36 V	0.7 V	Adjustable	Adjustable
Texas Instruments LP87334ARHDRQ1	3.36 V	3 A	0.7 V	-40 °C	125 °C	4	AEC-Q100	28-VFQFN Exposed Pad	Linear (LDO) (2) Step-Down (Buck) (2)	28-VQFN (5x5)	2 MHz	Surface Mount Wettable Flank	Automotive	0.8 V	3.3 V	300 mA	3 A	3.36 V	0.7 V		Programmable	Programmable
Texas Instruments LP873300RHDTQ1	3.36 V	3 A	0.7 V	-40 °C	125 °C	4	AEC-Q100	28-VFQFN Exposed Pad	Linear (LDO) (2) Step-Down (Buck) (2)	28-VQFN (5x5)	2 MHz	Surface Mount Wettable Flank	Automotive	0.8 V	3.3 V	300 mA							2.5 V	5.5 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 2.88
		10	$ 2.59
		25	$ 2.44
		100	$ 2.08
		250	$ 1.96
		500	$ 1.71
		1000	$ 1.42
	Digi-Reel®	1	$ 2.88
		10	$ 2.59
		25	$ 2.44
		100	$ 2.08
		250	$ 1.96
		500	$ 1.71
		1000	$ 1.42
	Tape & Reel (TR)	3000	$ 1.32
		6000	$ 1.27
Texas Instruments	LARGE T&R	1	$ 2.17
		100	$ 1.79
		250	$ 1.29
		1000	$ 0.97

Description

General part information

LP8733-Q1 Series

The LP8733xx-Q1 is designed to meet the power management requirements in automotive applications. The device has two step-down DC/DC converters (which can be configured as a single dual-phase regulator or two single-phase regulators), two linear regulators, and two general-purpose digital-output signals. The device is controlled by an I2C-compatible serial interface and by an enable signal.

The automatic PWM/PFM (AUTO mode) operation together with the automatic phase adding/shedding gives high efficiency over a wide output-current range. The LP8733xx-Q1 supports remote voltage sensing (differential in dual-phase configuration) to compensate IR drop between the regulator output and the point-of-load (POL), thus improving the accuracy of the output voltage. In addition, the switching clock can be forced to PWM mode and also synchronized to an external clock to minimize the disturbances.

The LP8733xx-Q1 device supports programmable start-up and shutdown delays and sequences including GPO signals synchronized to the enable signal. During start-up and voltage change, the device controls the output slew rate to minimize output voltage overshoot and the in-rush current.