Datasheets
L4970A by:
STMicroelectronics
SGS Thomson
STMicroelectronics
Not Found

10 A switching regulator

Part Details for L4970A by STMicroelectronics

Results Overview of L4970A by STMicroelectronics

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

L4970A Information

L4970A by STMicroelectronics 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 L4970A

Part # Distributor Description Stock Price Buy
DISTI # 26M0509
Newark Dc-Dc Switching Buck Step Down Regulator, Adjustable, 15V-50Vin, 5.1V-40Vout, 10Aout, Multiwatt15-15... Rohs Compliant: Yes |Stmicroelectronics L4970A more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 0
Buy Now
STMicroelectronics 10 A switching regulator RoHS: Compliant Min Qty: 1 729
  • 1 $16.0600
  • 10 $14.7700
  • 25 $14.1000
  • 100 $12.5000
  • 250 $11.8800
  • 500 $11.1100
$11.1100 / $16.0600 Buy Now
Future Electronics L4970 Series 10 A Step Down Monolithic Power Switching Regulator - MULTIWATT-15 RoHS: Compliant pbFree: Yes Min Qty: 500 Package Multiple: 25 Container: Tube 0
Tube
  • 25 $8.1400
  • 75 $8.0700
  • 100 $8.0500
  • 250 $8.0000
  • 375 $7.9400
$7.9400 / $8.1400 Buy Now
Future Electronics L4970 Series 10 A Step Down Monolithic Power Switching Regulator - MULTIWATT-15 RoHS: Compliant pbFree: Yes Min Qty: 250 Package Multiple: 25 Container: Tube 0
Tube
  • 1 $8.3400
  • 5 $8.2400
  • 25 $8.1400
  • 100 $8.0600
  • 250 $7.9400
$7.9400 / $8.3400 Buy Now
Bristol Electronics   5
RFQ
Quest Components SWITCHING REGULATOR, VOLTAGE-MODE, 15A, 500KHZ SWITCHING FREQ-MAX, BCDMOS, PZFM15 4
  • 1 $16.7805
  • 2 $15.6618
$15.6618 / $16.7805 Buy Now
ComSIT USA 10A SWITCHING REGULATOR Switching Regulator, Voltage-mode, 15A, 500kHz Switching Freq-Max, BCDMOS, P... ZFM15 more RoHS: Compliant Stock DE - 216
Stock ES - 1007
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ

Part Details for L4970A

L4970A CAD Models

L4970A Part Data Attributes

L4970A STMicroelectronics
Buy Now Datasheet
Compare Parts:
L4970A STMicroelectronics 10 A switching regulator
Select a part to compare:
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code ZFM
Package Description PLASTIC, POWER PACK-15
Pin Count 15
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer STMicroelectronics
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 50 V
Input Voltage-Min 15 V
Input Voltage-Nom 35 V
JESD-30 Code R-PZFM-T15
JESD-609 Code e3
Number of Functions 1
Number of Terminals 15
Output Current-Max 15 A
Output Voltage-Nom 5.1 V
Package Body Material PLASTIC/EPOXY
Package Code ZIP
Package Equivalence Code ZIP15,.2,.17TB
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Peak Reflow Temperature (Cel) NOT SPECIFIED
Qualification Status Not Qualified
Surface Mount NO
Switcher Configuration BUCK
Switching Frequency-Max 500 kHz
Technology BCDMOS
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form THROUGH-HOLE
Terminal Pitch 1.27 mm
Terminal Position ZIG-ZAG
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

Alternate Parts for L4970A

This table gives cross-reference parts and alternative options found for L4970A. 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 L4970A, 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
L4971D STMicroelectronics $2.0739 1.5A Switching Regulator L4970A vs L4971D
E-L4971D013TR STMicroelectronics Check for Price 1.5A Switching Regulator L4970A vs E-L4971D013TR

L4970A Related Parts

L4970A Frequently Asked Questions (FAQ)

  • The L4970A can handle input voltages up to 40V, but it's recommended to keep it below 35V for reliable operation.

  • The output capacitor should be chosen based on the output voltage and current requirements. A general rule of thumb is to use a capacitor with a value between 10uF to 100uF, and a voltage rating of at least 1.5 times the output voltage.

  • The bootstrap capacitor (CBOOT) is used to generate the high-side gate drive voltage for the internal power MOSFET. It should be a low-ESR ceramic capacitor with a value between 10nF to 100nF.

  • The output voltage of the L4970A can be calculated using the formula: Vout = (R2 / R1) * (1.235V), where R1 and R2 are the resistors in the feedback network.

  • The L4970A can deliver up to 3A of output current, but it's recommended to keep it below 2.5A for reliable operation.