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TI LM3691TL-1.2/NOPB product image
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TI LM3691TL-1.2/NOPBRoHS

Manufacturer
TI
MPN
LM3691TL-1.2/NOPB
LCSC Part #
C2072378
Packaging
DSBGA-6(1.3x1.5)
Customer #
Key Attributes
4MHz Step-down type Fixed 1A 1.2V DSBGA-6(1.3x1.5) Voltage Regulators - DC DC Switching Regulators RoHS
Datasheetpdf iconTI LM3691TL-1.2/NOPB
In-Stock: 90
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QtyUnit PriceTotal Amount
1+$ 1.6407$ 1.64
Standard Packaging250/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingDSBGA-6(1.3x1.5)
Operating Temperature-30℃~+85℃@(TA)
Frequency - Switching4MHz
FunctionStep-down type
Number of Outputs1
FeaturesOvercurrent Protection;Light load efficient mode
TopologyBuck
Output TypeFixed
Operating Voltage2.3V~5.5V
Switch tube (built-in/external)Built-in
Output Current1A
Output Voltage1.2V
Quiescent Current64uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

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 I₀ under 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, a 1-μH inductor, a 4.7-μF input capacitor, and a 4.7-μF output capacitor, are required.

Features

AI Translation
  • Input Voltage: 2.3 V to 5.5 V
  • Output Voltage: 0.75 V to 3.3 V ±1% DC Output Voltage Precision
  • 4-MHz Switching Frequency
  • 64 μA (typical) Quiescent Current in ECO Mode
  • 1-A Maximum Load Capability
  • Automatic ECO/PWM Mode Switching
  • MODE Pin to Select ECO/Forced PWM Mode
  • Current Overload and Thermal Shutdown Protections
  • Only Three Tiny Surface-Mount External Components Required (Solution Size Less Than 15 mm²)

Applications

AI Translation
  • Mobile Phones
  • Hand-Held Radios
  • MP3 Players
  • Portable Hard Disk Drives