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LT1521IS8-3.3#TRPBF by:

300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown

Part Details for LT1521IS8-3.3#TRPBF by Analog Devices Inc

Results Overview of LT1521IS8-3.3#TRPBF by Analog Devices Inc

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LT1521IS8-3.3#TRPBF Information

LT1521IS8-3.3#TRPBF by Analog Devices Inc is a Linear Regulator IC.
Linear Regulator ICs 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 LT1521IS8-3.3#TRPBF

Part # Distributor Description Stock Price Buy
DISTI # 584-1521IS8-3.3TRPBF
Mouser Electronics LDO Voltage Regulators 300mA L Drop Regs w/ uP Q C & SD RoHS: Compliant 0
  • 2,500 $4.3200
$4.3200 Order Now
DISTI # V36:1790_06417836
Arrow Electronics LDO Regulator Pos 3.3V 0.3A 8-Pin SOIC N T/R RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 10 Weeks Date Code: 2502 Americas - 5000
  • 2,500 $4.5908
$4.5908 Buy Now
Analog Devices Inc 300mA L Drop Regs w/ uP Q C & Min Qty: 2500 Package Multiple: 2500 2500
  • 1 $4.1200
  • 1,000 $3.3400
  • 2,500 $4.1750
$3.3400 / $4.1750 Buy Now
DISTI # LT1521IS83.3TRP
Richardson RFPD VOLTAGE REGULATOR RoHS: Compliant Min Qty: 2500 0
  • 2,500 $4.4800
  • 5,000 $4.3100
$4.3100 / $4.4800 Buy Now

Part Details for LT1521IS8-3.3#TRPBF

LT1521IS8-3.3#TRPBF CAD Models

LT1521IS8-3.3#TRPBF Part Data Attributes

LT1521IS8-3.3#TRPBF Analog Devices Inc
Buy Now Datasheet
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LT1521IS8-3.3#TRPBF Analog Devices Inc 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown
Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC
Pin Count 8
Manufacturer Package Code 05-08-1610 (S8)
Reach Compliance Code compliant
Samacsys Manufacturer Analog Devices
Dropout Voltage1-Max 0.75 V
Dropout Voltage1-Nom 0.5 V
Input Voltage-Max 20 V
Input Voltage-Min 4.3 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 4.9 mm
Load Regulation-Max 0.055%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 8
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C
Output Current1-Max 0.3 A
Output Voltage1-Max 3.4 V
Output Voltage1-Min 3.2 V
Output Voltage1-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1.75 mm
Surface Mount YES
Technology BIPOLAR
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Voltage Tolerance-Max 3%
Width 3.9 mm

Alternate Parts for LT1521IS8-3.3#TRPBF

This table gives cross-reference parts and alternative options found for LT1521IS8-3.3#TRPBF. 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 LT1521IS8-3.3#TRPBF, 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
LT1521IS8-3.3#TRPBF Linear Technology Check for Price LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C LT1521IS8-3.3#TRPBF vs LT1521IS8-3.3#TRPBF
Part Number Manufacturer Composite Price Description Compare
TLV1117-15CDCY Texas Instruments $0.5929 800-mA, 15-V, linear voltage regulator 4-SOT-223 0 to 125 LT1521IS8-3.3#TRPBF vs TLV1117-15CDCY
TC1264-3.3VAB Telcom Semiconductor Inc Check for Price Fixed Positive LDO Regulator, 3.3V, 1.3V Dropout, CMOS, PSFM3, TO-220, 3 PIN LT1521IS8-3.3#TRPBF vs TC1264-3.3VAB
SPX1587AT-L-3.3/TR MaxLinear Inc Check for Price Fixed Positive LDO Regulator, 3.3V, 1.2V Dropout, PSSO3, ROHS COMPLIANT, TO-263AA, 3 PIN LT1521IS8-3.3#TRPBF vs SPX1587AT-L-3.3/TR
SPX29300T-3.3 Sipex Corporation Check for Price Fixed Positive LDO Regulator, 3.3V, 0.7V Dropout, PSSO3, TO-263AA, 3 PIN LT1521IS8-3.3#TRPBF vs SPX29300T-3.3
KD1084AD2M25R STMicroelectronics Check for Price 2.5V FIXED POSITIVE LDO REGULATOR, 1.5V DROPOUT, PSSO3, D2PAK/A-3 LT1521IS8-3.3#TRPBF vs KD1084AD2M25R
CS5204-2GDP3 onsemi Check for Price 1.5V FIXED POSITIVE LDO REGULATOR, 1.2V DROPOUT, PSSO3, D2PAK-3 LT1521IS8-3.3#TRPBF vs CS5204-2GDP3
SC11238CSK.TR Semtech Corporation Check for Price Fixed Positive LDO Regulator, 3.8V, 0.275V Dropout, BIPolar, PDSO6, SOT-23, 6 PIN LT1521IS8-3.3#TRPBF vs SC11238CSK.TR
SPX1117HM3-L-5.0/TR Exar Corporation Check for Price Fixed Positive LDO Regulator, 5V, 1.3V Dropout, BIPolar, PDSO3, LEAD FREE, SOT-223, 3 PIN LT1521IS8-3.3#TRPBF vs SPX1117HM3-L-5.0/TR
FAN2559S18X onsemi Check for Price Fixed Positive LDO Regulator LT1521IS8-3.3#TRPBF vs FAN2559S18X
SPX2815U-5.0 Sipex Corporation Check for Price Fixed Positive LDO Regulator, 5V, 1.2V Dropout, PSFM3, TO-220AB, 3 PIN LT1521IS8-3.3#TRPBF vs SPX2815U-5.0

LT1521IS8-3.3#TRPBF Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LT1521IS8-3.3#TRPBF is 15V, but it's recommended to keep it below 12V for optimal performance and reliability.

  • To ensure the stability of the output voltage, make sure to follow the recommended layout and component placement guidelines, use a sufficient output capacitor, and avoid high-frequency noise on the input and output lines.

  • The LT1521IS8-3.3#TRPBF is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.

  • The output voltage ripple and noise can be calculated using the equations provided in the datasheet, taking into account the output capacitor value, ESR, and the switching frequency of the regulator.

  • The LT1521IS8-3.3#TRPBF is not a low-dropout regulator, and it requires a minimum input-to-output voltage differential of 1.5V to maintain regulation. If you need a low-dropout regulator, consider using a different part number.

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