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LT3491ESC8#TRMPBF is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC LED DRV RGLTR PWM SC70-8. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for LT3491ESC8#TRMPBF
- Description：IC LED DRV RGLTR PWM SC70-8
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.5V
- Voltage - Supply (Max)：12V
- Voltage - Output：-
- Current - Output / Channel：350mA (Switch)
- Frequency：2.3MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VFSOP (0.049", 1.25mm Width)
- Supplier Device Package：SC-70-8
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for LT3491ESC8#TRMPBF
LED Driver IC Overview
The LT3491ESC8#TRMPBF is a fixed-frequency boost DC/DC converter designed for driving white LEDs from a single lithium-ion cell. It operates with an input voltage range of 2.5 V to 12 V and delivers up to 2 mA output current. The device features an internal Schottky diode, enabling a compact SC-70-8 package solution. It supports PWM dimming and functions within a temperature range of -40°C to +85°C.
LED Driver IC Feature Summary
- Integrates an internal Schottky diode to minimize external component count
- Supports analog and PWM dimming control for brightness adjustment
- Fixed switching frequency operation simplifies electromagnetic interference filtering
LED Driver IC Applications
- White LED drivers for mobile phones
- Backlighting systems for portable electronic devices
- General-purpose LED illumination in battery-powered equipment
LED Driver IC Procurement Notes
Verify the specific suffix #TRMPBF against official Analog Devices documentation to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with SC-70-8 footprint requirements during procurement validation.
LED Driver IC Selection Notes
Select this component when designing space-constrained LED drivers requiring a single-cell power source. The integrated diode and small package make it suitable for applications prioritizing minimal board area over high-current capabilities.
LED Driver IC Part Context
This part belongs to the LT3491 series of LED lighting drivers. It is specifically engineered for mobile phone applications, providing a reliable boost conversion solution for powering multiple series-connected white LEDs from low-voltage sources.
LED Driver IC Replacement Considerations
Consult official Analog Devices documentation for verified substitute part numbers. Do not assume functional equivalence with other LED driver ICs without reviewing electrical specifications and pinout configurations.
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