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LM1770UMF/NOPB

Texas Instruments
RoHS
RoHS RoHS compliant
Package SC-74A, SOT-753
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description LM1770 Buck Tape & Reel (TR) e3 DC to DC switching controller 400muA 4A 1.45mm 4.5V
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Inventory: 5467
Minimum: 1
Total Price: USD $0.85
Unit Price: USD $0.84588
≥1 USD $0.84588
≥10 USD $0.69426
≥100 USD $0.672315
≥500 USD $0.651368
≥1000 USD $0.629423

Technical Details

Supply Chain

Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 5 days ago)

Physical

Mount Surface Mount
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Number of Pins 5

Dimensions

Height 1.45mm
Length 2.9mm
Width 1.6mm
Thickness 1.2mm

Compliance

RoHS Status ROHS3 Compliant
Lead Free Lead Free

Technical

Operating Temperature -40°C~125°C TJ
Packaging Tape & Reel (TR)
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 5
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Additional Feature ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Base Part Number LM1770
Function Step-Down
Number of Outputs 1
Output Voltage 4.5V
Output Type Transistor Driver
Operating Supply Voltage 5.5V
Input Voltage-Nom 3.3V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 4A
Voltage - Supply (Vcc/Vdd) 2.8V~5.5V
Quiescent Current 400μA
Input Voltage (Min) 2.8V
Topology Buck
Frequency - Switching 100kHz~1MHz
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 1MHz
Max Duty Cycle 95 %
Clock Sync No
Duty Cycle 95 %

Alternative Model

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