The MAX1901/MAX1902/MAX1904 are buck-topology, step-down, switch-mode, power-supply controllers that generate logic-supply voltages in battery-powered systems. These high-performance, dual/triple-output devices include on-board power-up sequencing, power-good signaling with delay, digital soft-start, secondary winding control, low dropout circuitry, internal.
o o o o o o o o o o o o o o o o Features 97% Efficiency 4.2V to 30V Input Range 2.5V to 5.5V Dual Adjustable Outputs Selectable 3.3V and 5V Fixed or Adjustable Outputs (Dual Mode™) 12V Linear Regulator Adjustable Secondary Feedback (MAX1901/MAX1904) 5V/50mA Linear Regulator Output Precision 2.5V Reference Output Programmable Power-Up Sequencing Power-Good (RESET) Output Output Overvoltage Protection (MAX1901/MAX1902) Output Undervoltage Shutdown (MAX1901/MAX1902) 333kHz/500kHz Low-Noise, Fixed-Frequency Operation Low-Dropout, 98% Duty-Factor Operation 2.5mW Typical Quiescent Power (12V input.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | MAX190 |
Maxim |
Low-Power / 12-Bit Sampling ADCs with Internal Reference and Power-Down | |
2 | MAX1901 |
Maxim |
500kHz Multi-Output / Low-Noise Power-Supply Controllers for Notebook Computers | |
3 | MAX1904 |
Maxim |
500kHz Multi-Output / Low-Noise Power-Supply Controllers for Notebook Computers | |
4 | MAX1907A |
Maxim Integrated Products |
(MAX1907A / MAX1981A) Quick-PWM Master Controllers | |
5 | MAX1908 |
Maxim Integrated Products |
Low-Cost Multichemistry Battery Chargers | |
6 | MAX1909 |
Maxim Integrated Products |
(MAX8725 / MAX1909) Multichemistry Battery Charger | |
7 | MAX191 |
Maxim |
12-Bit Sampling ADC | |
8 | MAX1910 |
Maxim |
1.5x/2x High-Efficiency White LED Charge Pumps | |
9 | MAX1912 |
Maxim |
1.5x/2x High-Efficiency White LED Charge Pumps | |
10 | MAX1916 |
Maxim |
Low-Dropout / Constant-Current Triple White LED Bias Supply | |
11 | MAX1917 |
Maxim |
Tracking / Sinking and Sourcing / Synchronous Buck Controller for DDR Memory and Termination Supplies | |
12 | MAX19191 |
Maxim Integrated Products |
8-Bit ADC |