Product Information

LTC3126HFE#PBF

LTC3126HFE#PBF electronic component of Analog Devices

Datasheet
Switching Voltage Regulators 42V, 2.5A Synchronous Step-Down Regulator with Lossless PowerPath

Manufacturer: Analog Devices
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Price (USD)

1: USD 16.186 ea
Line Total: USD 16.186

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

MOQ : 1
Multiples : 1

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LTC3126HFE#PBF
Analog Devices

1 : USD 16.186
25 : USD 10.8259
100 : USD 9.3139

     
Manufacturer
Product Category
Output Current
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Packaging
No Of Outputs
Dc / Dc Converter Ic Case
No Of Pins
Output Voltage Min
Output Voltage Max
Operating Temperature Max
Product Range
Automotive Qualification Standard
Msl
Svhc
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LTC3126 42V, 2.5A Synchronous Step-Down Regulator with No-Loss Input PowerPath Fea T Descrip T n Seamless, Automatic Transition Between Two Input The LTC 3126 is a high efficiency synchronous buck Power Sources converter with an internal no-loss PowerPath supporting n Wide Input Voltage Range: 2.4V to 42V seamless operation from two separate input power sources. n Wide Output Voltage Range: 0.818V to V Pin-selectable ideal diode-OR and priority input modes IN n Up to 2.5A Continuous Output Current with user programmable undervoltage lockout thresholds n Pin-Selectable Priority and Ideal Diode-OR Modes provide full control over the transition between the input n Burst Mode Operation, I = 2A power sources. The fast, automatic switchover provided Q n 95% Efficiency at 1A, V = 12V, V = 5V by the internal PowerPath eliminates the need for hold-up IN OUT n 1A Current in Shutdown capacitors and minimizes disturbances on the output rail. n Programmable Input UVLO Thresholds An active input channel indicator and independent input n Input Valid, Priority Channel and PGOOD Indicators and output power good signals provide complete feedback n 200kHz to 2.2MHz Fixed Frequency PWM of the power system status. n Synchronizable to an External Clock A wide 2.4V to 42V input voltage range, 2.5A output cur- n Current Mode Control with 60ns Minimum On-Time rent capability and 2A Burst Mode operation quiescent n Minimal External Components current facilitate use of the LTC3126 with a wide variety n Thermally Enhanced 28-Lead 4mm 5mm QFN and of power sources including supercapacitors, automo- 28-Lead TSSOP Packages tive batteries, unregulated wall adapters and single to multicell stacks of most battery chemistries. Additional a T features include 1A current in shutdown, internal soft- start and thermal protection. The LTC3126 is available n Portable Industrial/Communications Test Equipment in thermally enhanced 28-lead 4mm 5mm QFN and n Battery and Supercapacitor Backup Power 28-lead TSSOP packages. n Automotive Power with Battery Backup L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks n Uninterruptible Power Supplies and PowerPath is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Typical a T 2MHz, 3.3V/2.5A Supply from Automotive and Battery Inputs 0.1F 0.1F AUTOMOTIVE Switchover to Battery Power, 2.5A Load BST2 COM2 BST1 COM1 10V TO 24V V 2.2H IN1 V OUT 42V TRANSIENT 15F PV SW 3.3V IN1 V 5V/DIV IN1 EXTV 47F 2.5A CC V + IN2 V 5V/DIV 10pF 1.13M IN2 4.7F BATTERY PV IN2 + AUTOMOTIVE FB 4.2V TO 24V INPUT UNPLUGGED PV CC LTC3126 374k V CC V 200mV/DIV OUT ENA 4.7F V REF INDUCTOR CURRENT 2A/DIV PRIORITY 499k VALID1 V SET1 VALID2 PRIORITY 5V/DIV PGOOD 249k 3126 TA01b V SET2 50s/DIV 249k PWM/SYNC 16.5k DIODE RT GND PGND 3126 TA01a 3126f 1 For more information www.linear.com/LTC3126 ion pplica ions pplica ion uresLTC3126 a T e Maxi Mu M r a T (Note 1) PV , PV , V , V .............................................42V BST2 Pin Above COM2 ...............................................6V IN1 IN2 IN1 IN2 EXTV .....................................................................42V Operating Junction Temperature Range CC V , PV ....................................................................6V (Notes 2, 4) ............................................ 40C to 150C CC CC V , V , V , FB, RT ..........................................6V Storage Temperature.............................. 65C to 150C REF SET1 SET2 PWM/SYNC, DIODE, ENA ...........................................6V Lead Temperature (Soldering, 10 sec) VALID1, VALID2, PGOOD, PRIORITY ............................6V TSSOP ..............................................................300C BST1 Pin Above COM1 ...............................................6V p c F T TOP VIEW TOP VIEW V 1 28 V IN1 IN2 PWM/SYNC 2 27 PV IN1 VALID1 3 26 DIODE 28 27 26 25 24 23 VALID2 4 25 BST1 VALID2 1 22 BST1 V 5 24 COM1 CC V 2 21 COM1 CC PV 6 23 SW PV 3 20 SW CC CC EXTV 7 22 PGND EXTV 4 19 PGND CC 29 CC 29 PGND PGND V 5 18 PGND V 8 21 PGND SET1 SET1 V 6 17 SW V 9 20 SW SET2 SET2 V 7 16 COM2 REF V 10 19 COM2 REF GND 8 15 BST2 GND 11 18 BST2 9 10 11 12 13 14 FB 12 17 ENA RT 13 16 PV IN2 PGOOD 14 15 PRIORITY UFD PACKAGE FE PACKAGE 28-LEAD (4mm 5mm) PLASTIC QFN 28-LEAD PLASTIC TSSOP T = 150C, = 34C/W JMAX JA T = 150C, = 30C/W JMAX JA EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
AD4
ANALOG DEVICES
Analog Devices Hittite
ANALOG DEVICES (LINEAR TECHNOLOGY)
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Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
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Dallas
DALLAS / MAXIM
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LT4
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Trinamic Motion Control GmbH

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