NCP4687
NCP4687 is LDO Linear Voltage Regulator manufactured by onsemi.
500 m A, High PSRR, LDO Linear Voltage Regulator
The NCP4687 is a CMOS 500 m A LDO linear voltage regulator with high output voltage accuracy which Features a high ripple rejection, low supply current with low dropout and chip enable with built- in low RDS(on) NMOS transistor for fast output capacitor discharging as option. The device is posed of the voltage reference unit, error amplifier, resistor divider for output voltage sensing or precise output voltage setting. The current limit and thermal shutdown makes the device very suitable for industrial applications and portable munication equipments.
Features
- Operating Input Voltage Range: 2.5 V to 5.25 V
- Output Voltage Range: 0.7 to 3.6 V (available in 0.1 V steps)
- ±0.8% Output Voltage Accuracy @ Vout > 1.8 V
- Output noise : 40 m Vrms
- Line Regulation: 0.02%/V
- Current Limit Circuit
- High PSRR: 75 d B at 1 k Hz, 70 d B at 10 k Hz
- Thermal Shutdown
- Available in SOT- 23- 5, SOT- 89- 5 and u DFN 1.2 x 1.2 mm
Packages
- These Devices are Pb- Free and are Ro HS pliant
Typical Applications
- Home Appliances, Industrial Equipment
- DVB- T and DVB- S Receivers
- Car Audio Equipment, Navigation Systems
- Notebook Adaptors, LCD TVs, Cordless Phones and Private LAN
Systems
NCP4687x VIN
VIN VOUT
VOUT
C1 1.0 m F
CE SENSE GND
C2 1.0 m F http://onsemi.
MARKING DIAGRAMS
SOT89- 5 CASE 528AB
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