LM2657MTCX
RoHS
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Package 28-TSSOP (0.173, 4.40mm Width)
Category Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers
Description
LM2657 Buck Tape & Reel (TR) e0 DC to DC switching controller 2.5mA 20A 9.7mm 600mV
PDF
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Buying Options
Total Price: USD $2.6
Unit Price: USD $2.5992
≥1 USD $2.5992
≥10 USD $2.13275
≥100 USD $2.06625
≥500 USD $1.99975
≥1000 USD $1.93325
Inventory: 23
Minimum: 1
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Technical Details
Compliance
Lead Free Contains Lead
RoHS Status Non-RoHS Compliant
Dimensions
Width 4.4mm
Length 9.7mm
Height Seated (Max) 1.1mm
Technical
Clock Sync No
Max Duty Cycle 70 %
Max Frequency 500kHz
Switcher Configuration PUSH-PULL
Synchronous Rectifier Yes
Control Technique PULSE WIDTH MODULATION
Frequency - Switching 200kHz~500kHz
Control Mode VOLTAGE-MODE
Topology Buck
Input Voltage (Min) 4.5V
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Quiescent Current 2.5mA
Voltage - Supply (Vcc/Vdd) 4.5V~28V
Output Current 20A
Output Configuration Positive
Analog IC - Other Type DUAL SWITCHING CONTROLLER
Input Voltage-Nom 15V
Operating Supply Voltage 28V
Output Type Transistor Driver
Output Voltage 600mV
Number of Outputs 2
Function Step-Down
Base Part Number LM2657
Terminal Pitch 0.65mm
Peak Reflow Temperature (Cel) 235
Terminal Form GULL WING
Terminal Position DUAL
Subcategory Switching Regulator or Controllers
Terminal Finish Tin/Lead (Sn/Pb)
ECCN Code EAR99
Number of Terminations 28
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Part Status Obsolete
Pbfree Code no
JESD-609 Code e0
Packaging Tape & Reel (TR)
Operating Temperature -40°C~125°C TJ
Physical
Number of Pins 28
Package / Case 28-TSSOP (0.173, 4.40mm Width)
Mounting Type Surface Mount
Mount Surface Mount
Alternative Model
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