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Power Circuits / Switching Regulator or Controllers / NCP1055ST44T3G
Datasheets
NCP1055ST44T3G by: onsemi

Monolithic High Voltage Gated Oscillator Power Switching Regulator, SOT-223 (TO-261) 4 LEAD, 4000-REEL

Part Details for NCP1055ST44T3G by onsemi

Results Overview of NCP1055ST44T3G by onsemi

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

NCP1055ST44T3G Information

NCP1055ST44T3G by onsemi is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for NCP1055ST44T3G

Part # Distributor Description Stock Price Buy
DISTI # NCP1055ST44T3G
EBV Elektronik Monolithic High Voltage Gated Oscillator Power Switching Regulator 4Pin3Tab SOT223 TR (Alt: NCP1055S... T44T3G) more RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 143 Weeks, 0 Days EBV - 0
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Part Details for NCP1055ST44T3G

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NCP1055ST44T3G Part Data Attributes

Parametric Data
NCP1055ST44T3G onsemi
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NCP1055ST44T3G onsemi Monolithic High Voltage Gated Oscillator Power Switching Regulator, SOT-223 (TO-261) 4 LEAD, 4000-REEL
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Pbfree Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code SOT-223 (TO-261) 4 LEAD
Package Description SOT-223, 4 PIN
Pin Count 4
Manufacturer Package Code 0.0318
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer onsemi
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 8.5 V
Input Voltage-Min 7.5 V
Input Voltage-Nom 8 V
JESD-30 Code R-PDSO-G4
JESD-609 Code e3
Length 6.5 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 4
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 2 A
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOT-223
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Surface Mount YES
Switcher Configuration SINGLE
Switching Frequency-Max 50 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish MATTE TIN
Terminal Form GULL WING
Terminal Pitch 2.3 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.5 mm

Alternate Parts for NCP1055ST44T3G

This table gives cross-reference parts and alternative options found for NCP1055ST44T3G. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of NCP1055ST44T3G, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
NCP1055ST44T3 onsemi Check for Price 2A SWITCHING REGULATOR, 50kHz SWITCHING FREQ-MAX, PDSO4, PLASTIC, TO-261, SOT-223, 4PIN NCP1055ST44T3G vs NCP1055ST44T3
NCP1055ST100T3G onsemi Check for Price Monolithic High Voltage Gated Oscillator Power Switching Regulator, SOT-223 (TO-261) 4 LEAD, 4000-REEL NCP1055ST44T3G vs NCP1055ST100T3G
NCP1055P100 onsemi Check for Price IC 2 A SWITCHING REGULATOR, 113 kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8, Switching Regulator or Controller NCP1055ST44T3G vs NCP1055P100
NCP1055ST100T3 onsemi Check for Price 2A SWITCHING REGULATOR, 113kHz SWITCHING FREQ-MAX, PDSO4, PLASTIC, TO-261, SOT-223, 4PIN NCP1055ST44T3G vs NCP1055ST100T3
NCP1055P44 onsemi Check for Price 2A SWITCHING REGULATOR, 50kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8 NCP1055ST44T3G vs NCP1055P44
NCP1055P136 Rochester Electronics LLC Check for Price 2A SWITCHING REGULATOR, 154kHz SWITCHING FREQ-MAX, PDIP8, PLASTIC, DIP-8 NCP1055ST44T3G vs NCP1055P136
NCP1055P44G Rochester Electronics LLC Check for Price 2A SWITCHING REGULATOR, 50kHz SWITCHING FREQ-MAX, PDIP8, LEAD FREE, PLASTIC, DIP-8 NCP1055ST44T3G vs NCP1055P44G
NCP1055ST136T3G onsemi Check for Price Monolithic High Voltage Gated Oscillator Power Switching Regulator, SOT-223 (TO-261) 4 LEAD, 4000-REEL NCP1055ST44T3G vs NCP1055ST136T3G
NCP1055P044 onsemi Check for Price 2A SWITCHING REGULATOR, 50kHz SWITCHING FREQ-MAX, PDIP7, PLASTIC, DIP-8 NCP1055ST44T3G vs NCP1055P044
NCP1055ST136T3 onsemi Check for Price IC 2 A SWITCHING REGULATOR, 154 kHz SWITCHING FREQ-MAX, PDSO4, PLASTIC, TO-261, SOT-223, 4PIN, Switching Regulator or Controller NCP1055ST44T3G vs NCP1055ST136T3

NCP1055ST44T3G Related Parts

NCP1055ST44T3G Frequently Asked Questions (FAQ)

  • The recommended PCB layout for optimal thermal performance involves placing the device on a thermal pad with a minimum size of 20mm x 20mm, and using multiple vias to connect the thermal pad to the ground plane. Additionally, keeping the thermal pad away from other heat sources and using a thermal interface material can help improve thermal performance.

  • To ensure reliable startup and shutdown of the device, it is recommended to use a soft-start circuit to limit the inrush current during startup, and to use a voltage supervisor or reset IC to ensure that the device is properly reset during power-on and power-off sequences.

  • The recommended input capacitor is a 10uF to 22uF X7R or X5R ceramic capacitor, and the recommended output capacitor is a 10uF to 22uF X7R or X5R ceramic capacitor. The capacitor values and types may vary depending on the specific application and operating conditions.

  • To protect the device from overvoltage and undervoltage conditions, it is recommended to use a voltage supervisor or overvoltage protection IC to monitor the input voltage and shut down the device if it exceeds the recommended operating range. Additionally, using a TVS diode or varistor can help protect the device from voltage transients and spikes.

  • The recommended operating temperature range for the NCP1055ST44T3G is -40°C to 150°C, with a maximum junction temperature of 150°C. Operating the device outside of this range may affect its performance and reliability.