NCV4276A ONSEMI [ON Semiconductor], NCV4276A Datasheet
NCV4276A
Available stocks
Related parts for NCV4276A
NCV4276A Summary of contents
Page 1
... NCV4276, NCV4276A 400 mA Low−Drop Voltage Regulator The NCV4276 is a 400 mA output current integrated low dropout regulator family designed for use in harsh automotive environments. It includes wide operating temperature and input voltage ranges. The device is offered with fixed output voltage options of 1.8 V and 2.5 V with 4% output voltage accuracy while the 3 ...
Page 2
I Error Amplifier Bandgap − Reference + Thermal Shutdown INH NC Figure 1. 4276 Block Diagram I Error Amplifier Bandgap − Reference + Thermal Shutdown INH VA Figure 2. 4276 Adjustable Block Diagram http://onsemi.com 2 Q Current Limit and Saturation ...
Page 3
PIN FUNCTION DESCRIPTION Pin No. Symbol 1 I Input; Battery Supply Input Voltage. 2 INH Inhibit; Set low−to inhibit. 3 GND Ground; Pin 3 internally connected to heatsink Not connected for fixed voltage version / Voltage ...
Page 4
... − 5 100 Hz 0.5 V − − − − Q QMIN V v 0 5.0 V 5.0 INH I = 5.0 mA 150 Q http://onsemi.com 4 NCV4276A Typ Max Min Typ Max 5.0 5.2 4.9 5.0 5.1 5.0 5.2 4.9 5.0 5.1 3.3 3.432 3.234 3.3 3.366 3.3 3.432 3.234 3.3 3.366 2.5 2.6 − − − 2.5 2.6 − − − ...
Page 5
... OUTPUT CURRENT (mA) Figure 5. Output Stability with Output Capacitor ESR, 5.0 V and Adjustable Regulator NCV4276 INH GND V = [( ref NCV4276 NCV4276A INH GND 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 300 350 400 450 0 50 Figure 6. Output Stability with Output Capacitor http://onsemi ...
Page 6
TYPICAL PERFORMANCE CHARACTERISTICS − 4276 Version 5 13 1000 5.1 5.0 4.9 4.8 − (°C) J Figure 7. Output Voltage V vs. Temperature T Q 5.0 V Version ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS − 4276 Version 10 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1 (V) I Figure 13. Current Consumption I Voltage V , 2.5 V Version ...
Page 8
TYPICAL PERFORMANCE CHARACTERISTICS − 4276 Version 1 25° 1.2 1.0 0.8 0.6 0.4 0 (mA) Q Figure 19. Current Consumption I Output Current I (Low ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS − 4276 Version 1.0 0 −1.0 −2.0 −3.0 −4.0 −5.0 −6.0 −7.0 −50 − (V) I Figure 25. Input Current I vs. Input Voltage V I 1.8 V Version 6.0 4.0 2.0 0 −2.0 −4.0 ...
Page 10
TYPICAL PERFORMANCE CHARACTERISTICS − 4276A Version 5.2 5.1 5.0 4.9 4.8 − JUNCTION TEMPERATURE (°C) J Figure 28. Output Voltage V Junction Temperature T , 5.0 V Version ...
Page 11
TYPICAL PERFORMANCE CHARACTERISTICS − 4276A Version 6.0 4.0 2.0 0 −2.0 −4.0 −6.0 −8.0 −10 −50 − INPUT VOLTAGE (V) I Figure 34. Input Current vs. Input Voltage, 5.0 V Version 600 500 T = 125°C J ...
Page 12
TYPICAL PERFORMANCE CHARACTERISTICS − Adjustable Version 2. 2.53 2.52 2.51 2.50 2.49 2.48 2.47 2.46 2.45 − (°C) J Figure 40. Output Voltage V Temperature T , Adjustable Version ...
Page 13
TYPICAL PERFORMANCE CHARACTERISTICS − Adjustable Version 600 500 T = 125°C 400 J 300 200 100 100 150 200 250 I (mA) Q Figure 44. Dropout Voltage V vs. Output Current Regulator Set at ...
Page 14
Circuit Description The NCV4276 is an integrated low dropout regulator that provides a regulated voltage at 400 mA to the output enabled with an input to the inhibit pin. The regulator voltage is provided by a PNP pass ...
Page 15
Calculating Power Dissipation in a Single Output Linear Regulator The maximum power dissipation for a single output regulator (Figure 48) is: P D(max I(max Q(min Q(max I(max where V is ...
Page 16
Thermal Model A discussion of thermal modeling is in the ON Semiconductor web site: http://www.onsemi.com/pub/collateral/BR1487−D.PDF. Table 1. DPAK 5−Lead Thermal RC Network Models Drain Copper Area (1 oz thick) 168 mm (SPICE Deck Format) 168 mm C_C1 Junction GND 1.00E−06 ...
Page 17
Table 2. D PAK 5−Lead Thermal RC Network Models Drain Copper Area (1 oz thick) 241 mm (SPICE Deck Format) 241 mm C_C1 Junction GND 1.00E−06 C_C2 node1 GND 1.00E−05 C_C3 node2 GND 6.00E−05 1.00E−04 C_C4 node3 GND C_C5 ...
Page 18
COPPER AREA (mm Figure 51. qJA vs. Copper Spreader Area, DPAK 5−Lead 100 10 ...
Page 19
Duty Cycle 20 1.0 1% 0.1 Non−normalized Response 0.01 0.0000001 0.000001 0.00001 0.0001 Figure 55. Duty Cycle for 1, Spreader Boards, DPAK 5−Lead 100 50% Duty Cycle 20 1.0 1% ...
Page 20
... MARKING DIAGRAMS NC 76AXXG V4276A−XX ALYWW AWLYWWG 1 1 NCV4276A NCV4276A 2 DPAK D PAK 5−PIN 5−PIN DT SUFFIX DS SUFFIX CASE 175AA CASE 936A *Tab is connected to Pin 3 on all packages A−Version DPAK (Adj. Voltage (5.0 V) Non−A−Version DPAK (Adj. Voltage ...
Page 21
... NCV4276DS18R4G NCV4276DTADJRKG NCV4276DSADJG NCV4276DSADJR4G NCV4276ADT33RKG NCV4276ADT50RKG NCV4276ADS50G 2% NCV4276ADS50R4G NCV4276ADTADJRKG NCV4276ADSADJG NCV4276ADSADJR4G †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. Output Voltage Package DPAK, 5−Pin DPAK, 5−Pin (Pb−Free PAK, 5− ...
Page 22
0.13 (0.005) M 5.8 0.228 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor ...
Page 23
OPTIONAL A CHAMFER 0.010 (0.254 10.66 0.42 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques ...