MIC5249
MIC5249 is 300mA uCap LDO manufactured by Microchip Technology.
300 m A µCap LDO with Programmable Power-On Reset Delay
Features
- 300 m A Output Current
- High PSRR: 65 d B@120 Hz
- Stable with Ceramic Output Capacitor
- Power-on-Reset (POR) Output with Adjustable
Delay Time
- High Output Accuracy:
- ±1.0% Initial Accuracy
- ±3.0% Over Temperature
- Low Dropout Voltage of 340 m V @ 300 m A
- Low Quiescent Current: 85 µA
- Zero Current Shutdown Mode
- Thermal Shutdown and Current-Limit Protection
- Tiny MSOP-8 Package
Applications
- Cellular Phones
- PDAs
- Fiber Optic Modules
General Description
The MIC5249 is an efficient, precise 300 m A CMOS voltage regulator with power on reset (POR) delay which can be implemented via an external capacitor. It offers 1% initial accuracy, extremely low dropout voltage (typically 400 m V @ 300 m A), and low ground current (typically 85 m A) over load. Designed specifically for noise-critical applications in hand-held or battery-powered devices, the MIC5249 es equipped with a noise reduction feature to filter the output noise via an external capacitor. Other Features of the MIC5249 include a logic-patible enable pin, current limit, thermal shutdown, ultra-fast transient response, and an active clamp to speed up device turnoff. The MIC5249 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The MIC5249 is available in the MSOP-8 package.
Package Type
MIC5249 8-Lead MSOP (MM)
(Top View)
CBYP 1 DELAY 2
GND 3 VIN 4
8 ENABLE 7 RESET 6 NC 5 VOUT
2021 Microchip Technology Inc. and its subsidiaries
DS20006602A-page 1
Typical Application...
