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Power Circuits / Linear Regulator ICs / LT1121CS8-5#TRPBF
Datasheets
LT1121CS8-5#TRPBF by:
Analog Devices Inc
Analog Devices Inc
Linear Technology
Not Found

Micropower Low Dropout Regulators with Shutdown

Part Details for LT1121CS8-5#TRPBF by Analog Devices Inc

Results Overview of LT1121CS8-5#TRPBF by Analog Devices Inc

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.

LT1121CS8-5#TRPBF Information

LT1121CS8-5#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 LT1121CS8-5#TRPBF

Part # Distributor Description Stock Price Buy
DISTI # LT1121CS8-5#TRPBFCT-ND
DigiKey IC REG LINEAR 5V 150MA 8-SO Min Qty: 1 Lead time: 10 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 5840
In Stock
  • 1 $5.8800
  • 10 $4.5030
  • 25 $4.1596
  • 100 $3.7819
  • 250 $3.6019
  • 500 $3.4934
  • 1,000 $3.4040
  • 2,500 $3.0625
$3.0625 / $5.8800 Buy Now
DISTI # 584-LT1121CS8-5TRPBF
Mouser Electronics LDO Voltage Regulators uP L Drop Regs w/ SD RoHS: Compliant 12288
  • 1 $7.4300
  • 10 $4.9500
  • 25 $4.3000
  • 100 $3.5800
  • 250 $3.2200
  • 500 $3.0700
  • 2,500 $3.0600
$3.0600 / $7.4300 Buy Now
Analog Devices Inc uP L Drop Regs w/ SD Min Qty: 1 Package Multiple: 2500 3668
  • 1 $7.4300
  • 10 $4.9510
  • 25 $4.3056
  • 100 $3.5758
  • 250 $3.2175
  • 500 $3.0625
  • 1,000 $2.4500
  • 2,500 $3.0625
$2.4500 / $7.4300 Buy Now
Ameya Holding Limited IC REG LDO 5V 0.15A 8SOIC 1267
RFQ
DISTI # LT1121CS8-5TRPB
Richardson RFPD VOLTAGE REGULATOR RoHS: Compliant Min Qty: 2500 0
  • 2,500 $3.2800
  • 5,000 $3.1600
$3.1600 / $3.2800 Buy Now

Part Details for LT1121CS8-5#TRPBF

LT1121CS8-5#TRPBF CAD Models

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LT1121CS8-5#TRPBF Part Data Attributes

Parametric Data
LT1121CS8-5#TRPBF Analog Devices Inc
Buy Now Datasheet
Compare Parts:
LT1121CS8-5#TRPBF Analog Devices Inc Micropower Low Dropout Regulators with Shutdown
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Pbfree Code No
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC
Package Description SOP-8
Pin Count 8
Manufacturer Package Code 05-08-1610 (S8)
Reach Compliance Code compliant
Samacsys Manufacturer Analog Devices
Adjustability FIXED
Dropout Voltage1-Max 0.7 V
Dropout Voltage1-Nom 0.42 V
Input Voltage Absolute-Max 30 V
Input Voltage-Max 20 V
Input Voltage-Min 6 V
JESD-30 Code R-PDSO-G8
JESD-609 Code e3
Length 4.93 mm
Line Regulation-Max 0.01%
Load Regulation-Max 0.04%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 8
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min
Output Current1-Max 0.15 A
Output Voltage1-Max 5.15 V
Output Voltage1-Min 4.85 V
Output Voltage1-Nom 5 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
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
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 3%
Width 3.9 mm

Alternate Parts for LT1121CS8-5#TRPBF

This table gives cross-reference parts and alternative options found for LT1121CS8-5#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 LT1121CS8-5#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
LT1121IS8-5#PBF Analog Devices Inc $4.9295 Micropower Low Dropout Regulators with Shutdown LT1121CS8-5#TRPBF vs LT1121IS8-5#PBF
LT1121IS8-5 Analog Devices Inc Check for Price Fixed Positive LDO Regulator, 5V, 0.7V Dropout, BIPolar, PDSO8 LT1121CS8-5#TRPBF vs LT1121IS8-5
LT1121CS8-5#TR Linear Technology Check for Price LT1121 - Micropower Low Dropout Regulators with Shutdown; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C LT1121CS8-5#TRPBF vs LT1121CS8-5#TR
LT1121CS8-5#PBF Analog Devices Inc $3.5076 Micropower Low Dropout Regulators with Shutdown LT1121CS8-5#TRPBF vs LT1121CS8-5#PBF
LT1121IS8-5 Linear Technology Check for Price LT1121 - Micropower Low Dropout Regulators with Shutdown; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C LT1121CS8-5#TRPBF vs LT1121IS8-5
LT1121CS8-5 Analog Devices Inc Check for Price Fixed Positive LDO Regulator, 5V, 0.7V Dropout, BIPolar, PDSO8 LT1121CS8-5#TRPBF vs LT1121CS8-5
Part Number Manufacturer Composite Price Description Compare
FAN1086S-2.85 Fairchild Semiconductor Corporation Check for Price Fixed Positive LDO Regulator, 2.85V, 1.5V Dropout, BIPolar, PDSO4, PLASTIC, SOT-223, 4 PIN LT1121CS8-5#TRPBF vs FAN1086S-2.85
LX8587-33CP Microsemi Corporation Check for Price Fixed Positive LDO Regulator, 3.3V, 1.3V Dropout, PSFM3, PLASTIC, TO-220, 3 PIN LT1121CS8-5#TRPBF vs LX8587-33CP
TLV1117-285CDCYR Texas Instruments Check for Price 2.85V FIXED POSITIVE LDO REGULATOR, 1.3V DROPOUT, PDSO4, PLASTIC, SOT-223, 4 PIN LT1121CS8-5#TRPBF vs TLV1117-285CDCYR
LX8384A-15CP Microsemi Corporation Check for Price Fixed Positive LDO Regulator, 1.5V, 1.3V Dropout, BIPolar, PSFM3, PLASTIC, TO-220, 3 PIN LT1121CS8-5#TRPBF vs LX8384A-15CP
LD1117BS33TR STMicroelectronics Check for Price 3.3V FIXED POSITIVE LDO REGULATOR, 1.3V DROPOUT, PDSO4, SOT-223, 4 PIN LT1121CS8-5#TRPBF vs LD1117BS33TR
EZ1086CM-2.5TR Semtech Corporation Check for Price Fixed Positive LDO Regulator, 2.5V, 1.35V Dropout, BIPolar, PSSO3, TO-263, 3 PIN LT1121CS8-5#TRPBF vs EZ1086CM-2.5TR
LT1083CP-5#PBF Linear Technology Check for Price IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 1.5 V DROPOUT, PSFM3, PLASTIC, TO-3P, 3 PIN, Fixed Positive Single Output LDO Regulator LT1121CS8-5#TRPBF vs LT1083CP-5#PBF
LX8384-33CP Microsemi Corporation Check for Price Fixed Positive LDO Regulator, 3.3V, 1.5V Dropout, PSFM3, ROHS COMPLIANT, PLASTIC, TO-220, 3 PIN LT1121CS8-5#TRPBF vs LX8384-33CP
LSP2155E18A Lite-On Semiconductor Corporation Check for Price Fixed Positive LDO Regulator, 1.8V, CMOS, PDSO4, SOT-223, 4 PIN LT1121CS8-5#TRPBF vs LSP2155E18A
LP3963ES-5.0/NOPB National Semiconductor Corporation Check for Price Fixed Positive LDO Regulator, 5V, 1.2V Dropout, CMOS, PSSO5 LT1121CS8-5#TRPBF vs LP3963ES-5.0/NOPB

LT1121CS8-5#TRPBF Frequently Asked Questions (FAQ)

  • A good PCB layout for the LT1121CS8-5 involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output capacitor to minimize ringing.

  • To ensure stability and prevent oscillations, it's essential to follow the recommended PCB layout, use a sufficient output capacitor, and ensure that the input and output impedance are matched. Additionally, the device's output should be decoupled from the input using a resistor and capacitor in series.

  • The maximum ambient temperature range for the LT1121CS8-5 is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, and the output voltage may drop.

  • Yes, the LT1121CS8-5 is suitable for high-reliability and aerospace applications. It's built with high-reliability materials and manufacturing processes, and it's qualified to various industry standards, including MIL-PRF-38535 and NASA's EEE-INST-002.

  • The power dissipation of the LT1121CS8-5 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. The device's thermal resistance (θJA) should also be considered to ensure safe operation.