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LM5642XMHX

Texas Instruments
RoHS
/
Package 28-PowerTSSOP (0.173, 4.40mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description CURRENT-MODE DUAL Surface Mount Non-RoHS Compliant DC to DC switching controller -40C~125C TJ 375kHz 32.4V 9.7mm
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Inventory: 23036
Minimum: 1
Total Price: USD $1.16
Unit Price: USD $1.162088
≥1 USD $1.162088
≥10 USD $0.95361
≥100 USD $0.923685
≥500 USD $0.89376
≥1000 USD $0.863835

Technical Details

Physical

Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-PowerTSSOP (0.173, 4.40mm Width)
Number of Pins 28

Technical

Operating Temperature -40°C~125°C TJ
Packaging Tape & Reel (TR)
JESD-609 Code e0
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Switching Regulator or Controllers
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.65mm
Base Part Number LM5642
Function Step-Down
Number of Outputs 2
Output Voltage 32.4V
Output Type Transistor Driver
Input Voltage-Nom 5V
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Output Configuration Positive
Output Current 20A
Voltage - Supply (Vcc/Vdd) 4.5V~36V
Quiescent Current 1.1mA
Control Features Current Limit, Enable, Soft Start
Input Voltage (Min) 4.5V
Topology Buck
Control Mode CURRENT-MODE
Frequency - Switching 375kHz
Input Voltage (Max) 36V
Control Technique PULSE WIDTH MODULATION
Synchronous Rectifier Yes
Switcher Configuration PUSH-PULL
Max Frequency 424kHz
Max Duty Cycle 98.9 %

Dimensions

Height Seated (Max) 1.1mm
Length 9.7mm
Width 4.4mm

Compliance

Radiation Hardening No
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead

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