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LTC1470CS8#PBF
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 2:1 8SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Switch Type：PCMCIA Switch
- Number of Outputs：1
- Ratio - Input:Output：2:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：3.3V, 5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1A
- Rds On (Typ)：140mOhm
- Input Type：-
- Features：Slew Rate Controlled
- Fault Protection：Current Limiting (Fixed), Over Temperature
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SO
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The LTC1470CS8#PBF is a single-channel high-side power switch IC from Analog Devices, housed in an 8-pin SOIC package. It operates within a supply voltage range of 2.7 V to 5.5 V and supports load currents up to 2 A. The device features a maximum on-resistance of 200 mOhms and includes integrated current limiting and thermal shutdown protection. Designed for commercial temperatures between 0°C and +70°C, it utilizes an internal charge pump to drive the MOSFET gate without requiring external high-voltage components.
Feature Summary
- Integrated charge pump eliminates the need for external 12V bias supplies
- Built-in current limiting and thermal shutdown circuitry for robust protection
- Low on-resistance N-channel MOSFET for efficient power distribution
Applications
- PCMCIA protected 3.3V/5V VCC switching
- General-purpose high-side power distribution
- Battery-powered system load management
Procurement Notes
Verify the specific suffix #PBF confirms lead-free compliance and RoHS adherence before procurement. Confirm the SOIC-8 package dimensions match your PCB footprint requirements. Ensure the operating temperature range of 0°C to +70°C aligns with your environmental specifications. Cross-reference the manufacturer part number with official Analog Devices documentation to avoid counterfeit components.
Selection Notes
Select this component when a single-channel high-side switch with integrated protection is required for 3.3V or 5V systems. The internal charge pump simplifies design by removing the need for external bootstrap circuits. Consider the 2A current limit and 200mOhm resistance for thermal management calculations. This part is suitable for applications where space constraints favor an 8-pin SOIC package over larger alternatives.
Part Context
The LTC1470 belongs to the LTC147x family of power distribution switches. It shares functional similarities with the LTC1477 but differs in channel configuration and specific electrical characteristics. The CS8 suffix denotes the commercial temperature grade and SOIC-8 package variant. This series is designed for cost-sensitive applications requiring reliable power switching with minimal external components.
Replacement Considerations
The LTC1477CS8#PBF is a related dual-channel variant within the same family. Verify if the additional channel capacity meets your design needs or if the single-channel LTC1470 is sufficient. Check pinout compatibility and electrical parameter overlaps before substituting.
