Specifications
| Attribute | Value |
| Supplier | Analog Devices Inc./Maxim Integrated |
| Package | Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Buck-Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 3V ~ 16.5V |
| Frequency-Switching | 300kHz |
| DutyCycle(Max) | 92% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Enable |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
MAX1771CSA is a variant of Maxim’s MAX1771 family, a high-voltage DC-DC regulator IC used to generate stable rails from wide input voltages. The “CSA” suffix indicates a specific variant (package/grade) of the device; exact electrical details depend on that variant, so consult the datasheet for the precise specs.
Key points:
- Purpose: DC-DC conversion (buck/buck-boost/topology depends on variant) with power-management control.
- Features: wide input range, adjustable output, current-mode control, switching-frequency options, and protection features (e.g., undervoltage, overvoltage, current limit, thermal protection).
- Applications: automotive, industrial, telecom power rails and other systems needing efficient voltage regulation.
If you share the exact datasheet or your application context, I can tailor this with specific input/output ranges, pinout, and recommended circuitry.
Key points:
- Purpose: DC-DC conversion (buck/buck-boost/topology depends on variant) with power-management control.
- Features: wide input range, adjustable output, current-mode control, switching-frequency options, and protection features (e.g., undervoltage, overvoltage, current limit, thermal protection).
- Applications: automotive, industrial, telecom power rails and other systems needing efficient voltage regulation.
If you share the exact datasheet or your application context, I can tailor this with specific input/output ranges, pinout, and recommended circuitry.
Features
Here are typical features of the MAX1771CSA family (datasheet should be consulted for exact device):
- High/wide input DC-DC controller for buck converters (suitable for automotive/industrial use)
- Drives external MOSFETs with current‑mode PWM control
- Adjustable output voltage via external resistor network; fixed-frequency operation
- Soft‑start to limit inrush and improve voltage ramp
- External compensation for loop stability and transient response
- Protections: undervoltage lockout, overvoltage protection, overcurrent/short-circuit protection, thermal shutdown
- Enable input and fault/diagnostic status reporting
- Suitable packaging options (CSA variant) for various applications
Note: For precise specifications (voltage ranges, frequency, current limits, and pinout), refer to the exact MAX1771CSA datasheet.
- High/wide input DC-DC controller for buck converters (suitable for automotive/industrial use)
- Drives external MOSFETs with current‑mode PWM control
- Adjustable output voltage via external resistor network; fixed-frequency operation
- Soft‑start to limit inrush and improve voltage ramp
- External compensation for loop stability and transient response
- Protections: undervoltage lockout, overvoltage protection, overcurrent/short-circuit protection, thermal shutdown
- Enable input and fault/diagnostic status reporting
- Suitable packaging options (CSA variant) for various applications
Note: For precise specifications (voltage ranges, frequency, current limits, and pinout), refer to the exact MAX1771CSA datasheet.
Manufacturer
- Manufacturer: Maxim Integrated (Maxim Integrated Products).
- Company type: A global semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (power management, data converters, interfaces, etc.). It was acquired by Analog Devices in 2021.
- Company type: A global semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (power management, data converters, interfaces, etc.). It was acquired by Analog Devices in 2021.
Application
MAX1771CSA is a high‑voltage flyback controller for offline SMPS. Typical applications include:
- AC‑DC wall adapters and offline power supplies
- Battery chargers and USB adapters
- LED lighting drivers and LED power supplies
- Automotive and industrial power supplies (wide input range)
- Telecom/industrial DC–DC converters and auxiliary supplies
- AC‑DC wall adapters and offline power supplies
- Battery chargers and USB adapters
- LED lighting drivers and LED power supplies
- Automotive and industrial power supplies (wide input range)
- Telecom/industrial DC–DC converters and auxiliary supplies
Package
28‑pin SSOP (small‑outline) package.
