![LTC1147IS8-3.3#TRPBF Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | LTC1147IS8-3.3#TRPBF-ND |
Manufacturer Part#: |
LTC1147IS8-3.3#TRPBF |
Price: | $ 2.44 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC REG CTRLR BUCK 8SOIC |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 2.21697 |
Frequency - Switching: | -- |
Base Part Number: | LTC1147 |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Operating Temperature: | -40°C ~ 85°C (TA) |
Control Features: | Current Limit, Enable |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | No |
Duty Cycle (Max): | 100% |
Series: | -- |
Voltage - Supply (Vcc/Vdd): | 3.5 V ~ 14 V |
Output Phases: | 1 |
Number of Outputs: | 1 |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Output Type: | Transistor Driver |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
LTC1147IS8-3.3#TRPBF Application Field and Working Principle
The LTC1147 is a precision-variable frequency, high-efficiency pulse-width modulation (PWM) controller from Linear Technology. It is a monolithic powerhouse that integrates current sensing, power control, protection, and housekeeping functions in a tiny, 8-pin package. It is well-suited for a wide variety of low-voltage DC/DC applications, including (but not limited to) notebook computer power supplies, DC/DC converters, and battery poweredhandheld devices.
The LTC1147IS8-3.3#TRPBF offers excellent performance and integration in a tiny package. It is ideal for applications requiring variable switching frequencies, quick startup times, and excellent thermal performance. The controller offers even better specifications at higher temperatures, making it a good choice for higher-temperature environments, including those found in automotive and telecom applications.
LTC1147IS8-3.3#TRPBF Features
- -4V to 15V input range
- External adjustable/fixed frequency range from 100 kHz to 800 kHz
- Very fast loop response times
- High efficiency up to 94%
- Undervoltage Lockout (UVLO)
- Four programmable protection features: Overvoltage Protection, Short-Circuit Protection, Thermal Shutdown, and Overcurrent Protection
- 20-pin low-cost package
- Programmable/fixed operating frequency range from 100 kHz to 800 kHz
- One-pin enable/disable control
- 100% duty cycle
Working Principle
The LTC1147IS8-3.3#TRPBF uses a high-density, high-efficiency, synchronous, fixed-frequency pulse-width modulation (PWM) control circuit to regulate the output voltage. PWM control involves maintaining a fixed signal frequency and varying the signal\'s duty cycle to precisely regulate the output voltage. By increasing or decreasing the duty cycle and/or frequency, the output voltage can be lowered or raised.
The LTC1147IS8-3.3#TRPBF offers several unique features to support its PWM control topology. It includes a TRUE pin-selectable fixed frequency to completely eliminate the need for external components and an internal error amplifier to sense and regulate the output voltage. Also included are an over-voltage shutdown, under-voltage lockout, over-current protection and thermal protection.
Applications
- Notebook computer power supplies
- DC/DC converters
- Battery-powered handheld devices
- Portable consumer electronics
- Automotive applications
- Telecom applications
In conclusion, the LTC1147IS8-3.3#TRPBF is a high-performance, low-cost controller for DC/DC applications. It provides excellent performance in efficient, low-frequency switching applications, with an adjustable frequency range from 100 kHz to 800 kHz. Its high efficiency and fast loop response time make it an ideal solution for a variety of applications, from notebook computers to handheld devices.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
ASMB-LTC1-0A3A5 | Broadcom Lim... | 0.1 $ | 1000 | LED RGB SMD 4PLCCLED Indi... |
LTC1558CS8-3.3 | Linear Techn... | 3.37 $ | 92 | IC BACKUP BATT CNTRLR 3.3... |
LTC1559CS8-5 | Linear Techn... | 6.75 $ | 52 | IC BACKUP BATT CNTRLR 5V ... |
LTC1559CGN-3.3 | Linear Techn... | 7.46 $ | 35 | IC BACKUP BATT CNTRLR3.3V... |
LTC1647-2CS8#PBF | Linear Techn... | 2.26 $ | 1000 | IC CTLR HOTSWAP DUAL 8-SO... |
LTC1647-2CS8#TRPBF | Linear Techn... | -- | 1000 | IC CONTROLLR HOTSWAP DUAL... |
LTC1645CS8#TRPBF | Linear Techn... | 2.34 $ | 1000 | IC CTRLR SEQ HOTSWAP DUAL... |
LTC1647-1CS8#TRPBF | Linear Techn... | -- | 1000 | IC CONTROLLR HOTSWAP DUAL... |
LTC1841CS8#PBF | Linear Techn... | -- | 2249 | IC COMP ULT LP W/REF DUAL... |
LTC1422IS8#TRPBF | Linear Techn... | -- | 1000 | IC CONTROLLER HOT SWAP 8-... |
LTC1647-3CGN#TRPBF | Linear Techn... | -- | 1000 | IC CTRLR HOTSWAP DUAL 16S... |
LTC1540IDD#TRPBF | Linear Techn... | 2.01 $ | 1000 | IC COMP 300NA 2% VOLT REF... |
LTC1647-1IS8#PBF | Linear Techn... | 2.58 $ | 1000 | IC CONTROLLR HOTSWAP DUAL... |
LTC1645CS#TRPBF | Linear Techn... | -- | 1000 | IC CTRLR SEQ HOTSWAP DUAL... |
LTC1843CS8#PBF | Linear Techn... | 2.05 $ | 413 | IC COMP ULTLOPWR W/REF DU... |
LTC1645IS8#TRPBF | Linear Techn... | -- | 1000 | IC CTRLR SEQ HOTSWAP DUAL... |
LTC1647-1IS8#TRPBF | Linear Techn... | -- | 1000 | IC CONTROLLR HOTSWAP DUAL... |
LTC1647-2IS8#TRPBF | Linear Techn... | 2.65 $ | 1000 | IC CONTROLLR HOTSWAP DUAL... |
LTC1441CS8#PBF | Linear Techn... | 2.4 $ | 722 | IC COMP W/REF LP DUAL 8-S... |
LTC1843IS8#PBF | Linear Techn... | 2.4 $ | 358 | IC COMP ULTLOPWR W/REF DL... |
LTC1642CGN#TRPBF | Linear Techn... | 2.69 $ | 1000 | IC CONTROLLER HOTSWAP ADJ... |
LTC1642ACGN#TRPBF | Linear Techn... | -- | 1000 | IC CONTROLLER HOTSWAP ADJ... |
LTC1646CGN#TRPBF | Linear Techn... | -- | 1000 | IC CNTRLR HOTSWAP PCIDUAL... |
LTC1442CS8#PBF | Linear Techn... | 2.93 $ | 293 | IC COMP W/REF LP DUAL 8-S... |
LTC1444CS#PBF | Linear Techn... | -- | 641 | IC COMP W/REF LOWPWR QUAD... |
LTC1445IDHD#PBF | Linear Techn... | -- | 846 | IC COMP QD LP 1.221VREF 1... |
LTC1647-3IGN#TRPBF | Linear Techn... | 2.86 $ | 1000 | IC CTRLR HOTSWAP DUAL 16S... |
LTC1644CGN#TRPBF | Linear Techn... | -- | 1000 | IC CONTROLLER HOT SWAP 20... |
LTC1645IS#TRPBF | Linear Techn... | 2.97 $ | 1000 | IC CTRLR SEQ HOTSWAP DUAL... |
Switching Controller Polyphase Bidirecti...
![LM5170PHPT Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
IC POWER MANAGEMENTBuck-Boost Regulator ...
![LTC3785EUF Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
IC REG CTRLR BUCK 8-PSOPBuck Regulator P...
![AP3586CMPTR-G1 Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
IC REG CTRLR BUCK 16TSSOPBuck Regulator ...
![MAX5069AAUE Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
IC REG CTRLR BUCK 14TSSOPBuck Regulator ...
![LM2745MTCX Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
IC REG CTRLR BUCK/SEPIC 32QFNBuck Regula...
![LTC3890MPUH#TRPBF Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)