Overview
The LTC3769EFE#PBF is a high-performance single-output synchronous boost converter controller produced by Analog Devices Inc. This controller is designed to drive an all N-channel power MOSFET stage, offering high efficiency and reduced heat dissipation. It is suitable for a wide range of applications, including industrial, automotive, medical, and military environments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VIN Range | 4.5 | 60 (65V Abs Max) | V | ||
| Output Voltage | 60 | V | |||
| Reference Voltage | 1.188 | 1.200 | 1.212 | V | |
| Quiescent Current | 28 | μA | |||
| Shutdown Current | 4 | μA | |||
| Operating Frequency | 50 | 900 | kHz | ||
| Phase-Lockable Frequency | 75 | 850 | kHz | ||
| Internal VCC Voltage | 6V < VBIAS < 60V, VEXTVCC = 0 | 5.2 | 5.4 | 5.6 | V |
| Operating Temperature Range | –40 | 125 | °C |
Key Features
- Synchronous operation for highest efficiency and reduced heat dissipation
- Wide VIN range: 4.5V to 60V (65V Abs Max); operates down to 2.3V after start-up
- Output voltage up to 60V
- ±1% 1.200V reference voltage
- RSENSE or inductor DCR current sensing
- 100% duty cycle capability for synchronous MOSFET
- Low quiescent current: 28μA
- Phase-lockable frequency (75kHz to 850kHz) and programmable fixed frequency (50kHz to 900kHz)
- Power good output voltage monitor
- Internal LDO powers gate drive from VBIAS or EXTVCC
- Thermally enhanced low profile 24-pin 4mm × 4mm QFN package and 20-lead TSSOP package
- AEC-Q100 qualified for automotive applications
Applications
- Industrial applications
- Automotive systems
- Medical devices
- Military equipment
Q & A
- What is the input voltage range of the LTC3769EFE#PBF?
The input voltage range is from 4.5V to 60V (65V Abs Max), and it can operate down to 2.3V after start-up.
- What is the maximum output voltage of the LTC3769EFE#PBF?
The maximum output voltage is up to 60V.
- What is the quiescent current of the LTC3769EFE#PBF?
The quiescent current is 28μA.
- What are the available package options for the LTC3769EFE#PBF?
The available packages include a 24-pin 4mm × 4mm QFN and a 20-lead TSSOP.
- Is the LTC3769EFE#PBF qualified for automotive applications?
- What is the operating temperature range of the LTC3769EFE#PBF?
The operating temperature range is from –40°C to 125°C.
- Does the LTC3769EFE#PBF support phase-lockable frequency?
- What is the shutdown current of the LTC3769EFE#PBF?
The shutdown current is 4μA.
- Does the LTC3769EFE#PBF have a power good output voltage monitor?
- How does the LTC3769EFE#PBF handle current sensing?
- What is the reference voltage accuracy of the LTC3769EFE#PBF?
