ncv4279a ON Semiconductor, ncv4279a Datasheet
ncv4279a
Available stocks
Related parts for ncv4279a
ncv4279a Summary of contents
Page 1
... V Micropower 150 mA LDO Linear Regulator with DELAY, Adjustable RESET, and Sense Output The NCV4279A is a 5.0 V precision micropower voltage regulator with an output current capability of 150 mA. The output voltage is accurate within ±2.0% with a maximum dropout voltage of 0 100 mA. Low quiescent current is a feature drawing only 150 mA with a 1 ...
Page 2
I Reference and Trim ADJ SI PACKAGE PIN DESCRIPTION SO−8 Pin Symbol 3 R Reset Threshold Adjust; if not used to connect to GND. ADJ 4 D Reset Delay; To Set Time Delay, Connect to GND with ...
Page 3
MAXIMUM RATINGS (T = −40°C to 150°C) J Parameter Input to Regulator Input Peak Transient Voltage Sense Input Reset Threshold Adjust Reset Delay Ground Reset Output Sense Output Regulated Output Junction Temperature Storage Temperature Input Voltage Operating Range Junction Temperature ...
Page 4
ELECTRICAL CHARACTERISTICS Characteristic REGULATOR Output Voltage Current Limit Current Consumption – Current Consumption – Current Consumption – Dropout Voltage ...
Page 5
1000 mF 470 RO,SAT Power−on−Reset Thermal Shutdown ...
Page 6
Sense Input Voltage V SI,High V SI,Low Sense Output Voltage High Low Figure 4. Sense Timing Diagram http://onsemi.com ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS − (°C) J Figure 5. Charge Current I , vs. Temperature 500 400 T = 125°C J 300 T = 25°C ...
Page 8
TYPICAL PERFORMANCE CHARACTERISTICS 1.6 1.5 1.4 Sense Output High 1.3 Sense Output Low 1.2 1.1 1.0 − (°C) J Figure 11. Sense Threshold V vs. Temperature T SI 350 300 250 200 150 100 50 0 ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS 13 25° (mA) Q Figure 14. Current Consumption I Output Current ...
Page 10
... Adjust the voltage divider according to the following relationship RADJ ADJ1 ) R ADJ2 ) R ADJ2 V I BAT NCV4279A GND *C required if regulator is located far from the power supply filter − minimum cap required for stability is 2.2 mF while higher over/under−shoots may be ex- Q pected ...
Page 11
... R qJA functions of the package type, heatsink and the interface between them. These values appear in data sheets of heatsink manufacturers. heatsinking considerations ON Semiconductor application note AN1040/D, available on the ON Semiconductor website. http://onsemi.com 11 shown in Figure 18 should Q is known, the maximum ...
Page 12
... ORDERING INFORMATION Device Output Voltage NCV4279A50D1G NCV4279A50D1R2G †For information on tape and reel specifications,including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Package SO−8 (Pb−Free) 5.0 V SO−8 (Pb−Free) http://onsemi.com 12 † Shipping 98 Units/Rail 2500 Tape & Reel ...
Page 13
... C 1.35 1.75 0.053 0.069 D 0.33 0.51 0.013 0.020 G 1.27 BSC 0.050 BSC 0.10 0.25 0.004 0.010 0.19 0.25 0.007 0.010 K 0.40 1.27 0.016 0.050 0.25 0.50 0.010 0.020 S 5.80 6.20 0.228 0.244 mm inches ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NCV4279A ...