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Linear Regulators (LDOs) 
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MAX1616
High-Voltage, Low-Power Linear Regulators for Notebook Computers
High-Input-Voltage, Low-Cost, Low-Power, Low-Dropout Linear Regulators for Notebooks in SOT23-5
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Key Features
Applications/Uses
Parametric specs for Linear Regulators
| VIN (V) (min) | 4 |
| VIN (V) (max) | 28 |
| Adj. VOUT (V) (min) | 1.24 |
| Adj. VOUT (V) (max) | 28 |
| Rated ILOAD (mA) | 30 |
| # Regulators | 1 |
| VDROPOUT @Rated ILOAD (V) (typ) | 0.35 |
| ICC (µA) (max) | 8 |
| Low Batt./ Pwr. Fail Out | No |
| Watchdog | No |
| Reverse Batt. Protect. | No |
| Oper. Temp. (°C) | -40 to +85 |
| Package/Pins | SOT23/5 |
| Budgetary Price (See Notes) | 1.46 |
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Parameters
Parametric specs for Linear Regulators
| VIN (V) (min) | 4 |
| VIN (V) (max) | 28 |
| Adj. VOUT (V) (min) | 1.24 |
| Adj. VOUT (V) (max) | 28 |
| Rated ILOAD (mA) | 30 |
| # Regulators | 1 |
| VDROPOUT @Rated ILOAD (V) (typ) | 0.35 |
| ICC (µA) (max) | 8 |
| Low Batt./ Pwr. Fail Out | No |
| Watchdog | No |
| Reverse Batt. Protect. | No |
| Oper. Temp. (°C) | -40 to +85 |
| Package/Pins | SOT23/5 |
| Budgetary Price (See Notes) | 1.46 |
Key Features
- 4V to 28V Input Range
- 8µA (max) Quiescent Supply Current
- <1µA Shutdown Supply Current
- 3.3V or 5V, Pin-Selectable Output (MAX1615) Adjustable 1.24V to 28V Output (MAX1616)
- 30mA Output Current
- ±2% Initial Output Accuracy
- Thermal-Overload Protection
- 5-Pin SOT23 Package
- Low Cost
Applications/Uses
- Battery-Powered Systems
- CMOS/RTC Backup Power
- Microcontroller Power
- Notebook Computers
- PDAs and Handy-Terminals
- Smart Battery Packs/Chargers
Description
The MAX1615/MAX1616 are micropower, SOT23-5 linear regulators that supply always-on, keep-alive power to CMOS RAM and microcontrollers (µCs) in systems with high-voltage batteries. Key features include wide input voltage range, low dropout voltage, and low quiescent supply current.
Despite a miserly 8µA (max) no-load supply current, the MAX1615/MAX1616 have excellent line-transient response and AC power-supply rejection ratio. They provide a clean, fixed 5V or 3.3V output (MAX1615) or an adjustable 1.24V to 28V output (MAX1616), even when subjected to fast supply-voltage changes that occur during the switchover from battery to AC adapter input power. The space-saving SOT23-5 package has excellent thermal characteristics and tolerates up to 571mW of power dissipation. Fault protection is provided by internal foldback current limiting and thermal-shutdown circuitry. The MAX1615/MAX1616 are now available in lead-free packages.
Despite a miserly 8µA (max) no-load supply current, the MAX1615/MAX1616 have excellent line-transient response and AC power-supply rejection ratio. They provide a clean, fixed 5V or 3.3V output (MAX1615) or an adjustable 1.24V to 28V output (MAX1616), even when subjected to fast supply-voltage changes that occur during the switchover from battery to AC adapter input power. The space-saving SOT23-5 package has excellent thermal characteristics and tolerates up to 571mW of power dissipation. Fault protection is provided by internal foldback current limiting and thermal-shutdown circuitry. The MAX1615/MAX1616 are now available in lead-free packages.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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