LM3691TL-0.75/NOPB

Active

Texas Instruments

HIGH ACCURACY, MINIATURE 1A, STEP-DOWN DC-DC CONVERTER FOR PORTABLE APPLICATIONS

Find alt

Alpha

LM3691TL-0.75/NOPB

Active

Texas Instruments

HIGH ACCURACY, MINIATURE 1A, STEP-DOWN DC-DC CONVERTER FOR PORTABLE APPLICATIONS

Find alt

Alpha

Description Specifications Series Pricing CAD Documents

Description

General part information

LM3691 Series

The LM3691 step-down DC-DC converter is optimized for powering ultra-low-voltage circuits from a single Li-Ion cell or 3 cell NiMH/NiCd batteries. It provides up to 1-A load current over an input voltage range from 2.3 V to 5.5 V. There are several different fixed voltage output options available.

The LM3691 has a mode-control pin that allows the user to select Forced PWM mode or ECO mode that changes modes between gated PWM mode and PWM automatically, depending on the load. In ECO mode, the device offers superior efficiency and very low IQunder light load conditions. ECO mode extends the battery life through reduction of the quiescent current during light load conditions and system standby.

The LM3691 is available in a 6-pin DSBGA package. Only three external surface-mount components, a1-μH inductor, a 4.7-μF input capacitor, and a 4.7-μF output capacitor, are required.

Technical Specifications

Parameters and characteristics for this part

Specification	LM3691TL-0.75/NOPB

Current - Output	1 A
Frequency - Switching	4 MHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-30 °C
Output Configuration	Positive
Output Type	Fixed
Package / Case	DSBGA, 6-WFBGA
Package Length	1.5 mm
Package Name	6-DSBGA
Package Width	1.3 mm
Synchronous Rectifier	Yes
Topology	Buck
Voltage - Input (Max)	5.5 V
Voltage - Input (Min)	2.3 V
Voltage - Output (Min/Fixed)	0.75 V

LM3691 Series

Part	Output Type	Voltage - Input (Max)	Function	Output Configuration	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Frequency - Switching	Voltage - Output (Min/Fixed)	Voltage - Input (Min)	Package Name	Package Width	Package Length	Package / Case	Topology	Synchronous Rectifier	Number of Outputs	Current - Output	Total Output Count	Non-Isolated Output Count	Board Type	Supplied Contents	Main Purpose	Contents	Regulator Topology	Voltage - Input (Minimum)	Voltage - Input (Maximum)	Utilized IC / Part	Voltage - Output
Texas Instruments LM3691TLX-3.3/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	3.3 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TLX-1.8/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	1.8 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TL-1.0/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	1 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TL-1.8EV/NOPB	Non-Isolated							4 MHz										1 A	1	1 count	Fully Populated	Board(s)	DC/DC Step Down	Board	Buck	2.3 V	5.5 V	LM3691	1.8 V
Texas Instruments LM3691TL-1.2/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	1.2 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TL-0.75/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	0.75 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TL-1.8	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	1.8 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TL-3.3/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	3.3 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TLX-1.0/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	1 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A
Texas Instruments LM3691TL-1.5/NOPB	Fixed	5.5 V	Step-Down	Positive	85 °C	-30 °C	Surface Mount	4 MHz	1.5 V	2.3 V	6-DSBGA	1.3 mm	1.5 mm	6-WFBGA DSBGA	Buck	Yes	1	1 A