Product Information

LTC3785EUF#PBF

LTC3785EUF#PBF electronic component of Analog Devices

Datasheet
Switching Voltage Regulators 10V, High Effieciency Synch, No Rsense Buck-Boost Controller

Manufacturer: Analog Devices
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 7.7454 ea
Line Total: USD 7.75

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


Ships to you between Thu. 23 May to Wed. 29 May

MOQ : 1
Multiples : 1

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LTC3785EUF#PBF
Analog Devices

1 : USD 7.7454
25 : USD 5.5068
100 : USD 4.5318

0 - WHS 2


Ships to you between
Thu. 30 May to Tue. 04 Jun

MOQ : 1
Multiples : 1

Stock Image

LTC3785EUF#PBF
Analog Devices

1 : USD 7.7563
10 : USD 6.97
30 : USD 6.8445
100 : USD 6.6585

0 - WHS 3


Ships to you between Wed. 29 May to Fri. 31 May

MOQ : 1
Multiples : 1

Stock Image

LTC3785EUF#PBF
Analog Devices

1 : USD 13.0268
10 : USD 11.4523
25 : USD 11.1111
91 : USD 9.3844
273 : USD 9.1088
546 : USD 8.4
1001 : USD 7.7831

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Mounting Style
Package / Case
Output Voltage
Output Current
Number of Outputs
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Input Voltage
Operating Temperature Range
Type
Brand
Shutdown
Development Kit
Operating Supply Current
Product Type
Factory Pack Quantity :
Subcategory
Cnhts
Hts Code
Mxhts
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LTC3785 10V, High Efficiency, Synchronous, No R SENSE Buck-Boost Controller Fae Tseru Dpircse Tnoi n The LTC 3785 is a high power synchronous buck-boost Single Inductor Architecture Allows V Above, IN controller that drives all N-channel power MOSFETs from Below or Equal to V OUT n input voltages above, below and equal to the output volt- 2.7V to 10V Input and Output Range n age. With an input range of 2.7V to 10V, the LTC3785 is Up to 96% Efficiency n well suited for a wide variety of single or dual cell Li-Ion Up to 10A of Output Current n or multicell alkaline/NiMH applications. All N-channel MOSFETs, No R SENSE n True Output Disconnect During Shutdown The operating frequency can be programmed from n Programmable Current Limit and Soft-Start 100kHz to 1MHz. The soft-start time and current limit are n Optional Short-Circuit Shutdown Timer also programmable. The soft-start capacitor doubles as n Output Overvoltage and Undervoltage Protection the fault timer which can program the IC to latch off or n Programmable Frequency: 100kHz to 1MHz recycle after a determined off time. Burst Mode opera- n Selectable Burst Mode Operation tion is user controlled and can be enabled by driving the n Available in 24-Lead (4mm 4mm) Exposed Pad MODE pin high. QFN Package Protection features include foldback current limit, short- circuit and overvoltage protection. a acilpp Tsnoi L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks of Linear Technology Corporation. No R is a trademark of Linear Technology Corporation. SENSE n Palmtop Computers All other trademarks are the property of their respective owners. n Handheld Instruments n Wireless Modems n Cellular Telephones T lacipy a acilpp Tnoi V IN 2.7V V OUT Efficiency vs Input Voltage 4.7F TO 10V V IN V CC 100 V = 3.3V OUT 205k I SVIN F = 500kHz OSC 22F V TG1 SENSE 1.3k 205k 121k 95 V BST1 I = 2A 270pF LOAD 0.22F FB SW1 I = 1A I LOAD SSW1 121k 12k V DRV 4.7H 90 BG1 1nF LTC3785 V C V 59k OUT RT I 3.3V SVOUT 5A MODE TG2 85 2.5 4 5.5 7 8.5 10 V (V) IN V 3785 TA01b BST2 0.22F RUN/SS SW2 I I 100F LSET SSW2 42.2k CCM BG2 1nF GND 3785 TA01a 3785fc EFFICIENCY (%)LTC3785 a ulosb T e Mixa Mu M r a Tsgni p ni c no Farugi Tnoi (Note 1) TOP VIEW Input Supply Voltage (V ) ......................... 0.3V to 11V IN I , I .............................................. 0.3V to 11V SVOUT SVIN 24 23 22 21 20 19 SW1, SW2, I , I Voltage: SSW1 SSW2 RUN/SS 1 18 I SSW1 DC ............................................................. 1V to 11V V 2 17 BG1 C Pulsed, <1s ............................................. 2V to 12V FB 3 16 V DRV 25 RUN/SS, MODE, CCM, V , V Voltages .. 0.3V to 6V DRV CC GND V 4 15 BG2 SENSE V Voltage ............................................. 0.3V to 16V BST1 I I 5 14 LSET SSW2 With Respect to SW1 ............................... 0.3V to 6V CCM 6 13 SW2 V Voltage ............................................. 0.3V to 16V BST2 7 8 9 10 11 12 With Respect to SW2 ............................... 0.3V to 6V Peak Driver Output Current < 10s UF PACKAGE (TG1, TG2, BG1, BG2) .................................................3A 24-LEAD (4mm 4mm) PLASTIC QFNs V Average Output Current .................................100mA T = 125C, = 40C/W 1 LAYER BOARD, = 30C/W 4 LAYER BOARD CC JMAX JA JA EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB Operating Junction Temperature Range (Note 2) ..................................................40C to 125C Junction Temperature ........................................... 125C Storage Temperature Range ...................65C to 150C o r D re i n Fro Ma Tnoi LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3785EUF PBF LTC3785EUF TRPBF 3785 24-Lead (4mm 4mm) Plastic QFN 40C to 85C LTC3785IUF PBF LTC3785IUF TRPBF 3785 24-Lead (4mm 4mm) Plastic QFN 40C to 125C LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3785EUF LTC3785EUF TR 3785 40C to 85C 24-Lead (4mm 4mm) Plastic QFN LTC3785IUF LTC3785IUF TR 3785 24-Lead (4mm 4mm) Plastic QFN 40C to 125C Consult LTC Marketing for parts speciefi d with wider operating temperature ranges. *The temperature grade is identiefi d by a label on the shipping container. For more information on lead free part marking, go to:

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)
ANALOG DEVICES (MAXIM INTEGRATED)
ANALOG DEVICES (TRINAMIC)
Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
Analog Devices Inc.
Analog Devices, Inc.
DA4
Dallas
DALLAS / MAXIM
Dallas Semiconductor (VA)
LINEAR
LINEAR TECH
Linear Technology
Linear Technology (part of ADI)
LT
LT4
MAXIM
Maxim Integrated
MAXIM INTEGRATED / ANALOG DEVICES
Maxim Integrated Products
MAXIM-DALLAS
MX4
Technology
Trinamic
TRINAMIC / ANALOG DEVICES
Trinamic Motion Control
Trinamic Motion Control GmbH

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