Details, datasheet, quote on part number: A6300SO8A
PartA6300SO8A
Category
TitlePower
Description5V Accurate Regulator With Timeout Reset Function (no Watchdog)
CompanyEM Microelectronic
DatasheetDownload A6300SO8A datasheet
  

 

Features, Applications

High Efficiency Linear Power Supply with Power Surveillance and Time-out
Features

Supply voltage monitoring Highly accurate 100 mA guaranteed output Low dropout voltage, typically 100 mA Low quiescent current, typically 100 A Standby mode, maximum current 310 A (with 100 A load on OUTPUT) Unregulated DC input can withstand 20 V reverse battery and 60 V power transients Fully operational for unregulated DC input voltage 26 V and regulated output voltage down 1 V Reset output guaranteed for regulated output voltage down V No reverse output current Very low temperature coefficient for the regulated output Current limiting Clear microprocessor restart after power up Push-pull or Open drain output +85 C temperature range DIP8 and SO8 packages

Description

The A6300 offers a high level of integration by combining voltage regulation and voltage monitoring. The voltage regulator has a low dropout ( typ. mA ) and a low quiescent current (100 A). The quiescent current increases only slightly in dropout prolonging battery life. Built-in protection includes a positive transient absorber for 60 V (load dump) and the ability to survive an unregulated input voltage 20 V (reverse battery). The INPUT may be connected to ground or a reverse voltage without reverse current flow from the OUTPUT to the INPUT. Upon the OUTPUT voltage rising above VTH, the reset output, whether RES or RES, will remain active (RES = 1, RES = 0) for an additional time of 50 ms. This allows the system voltage and the oscillator of the microprocessor to stabilize before they becomes fully active. When VOUTPUT falls below VTH, the reset output goes active. Threshold voltage can be obtained in different versions: 4 V.

Applications

White / brown goods Industrial electronics Automotive electronics Cellular telephones Security systems Battery powered products High efficiency linear power supplies

Parameter Continuous voltage at INPUT to VSS Transients on INPUT for 100 ms and duty cycle 1% Reverse supply voltage on INPUT Max. voltage at any signal pin Min. voltage at any signal pin Storage temperature Electrostatic discharge max. to MIL-STD-883C method 3015 Max. soldering conditions Symbol VINPUT VTRANS VREV VMAX VMIN TSTO VSmax TSmax Conditions 20 V OUTPUT 0.3 V VSS 10 s

Parameter Operating junction temperature 1) INPUT voltage 2) OUTPUT voltage 2)3) Reset output guaranteed OUTPUT current 4) Thermal resistance from junction to ambient - SO8 Symbol Min. Typ. Max. Units TJ VINPUT VOUTPUT IOUTPUT V mA

Table 1 Stresses above these listed maximum ratings may cause permanent damage to the device. Exposure beyond specified operating conditions may affect device reliability or cause malfunction.

This device has built-in protection against high static voltages or electric fields; however, anti-static precautions must be taken as for any other CMOS component. Unless otherwise specified, proper operation can only occur when all terminal voltages are kept within the supply voltage range. Unused inputs must always be tied to a defined logic voltage level.

The maximum operating temperature is confirmed by sampling at initial device qualification. In production, all devices are tested + 85 C. 2) Full operation quaranteed. To achieve the load regulation specified in Table 22 F capacitor or greater is required on the INPUT, see Fig. 6. The 22 F must have an effective resistance 5 and a resonant frequency above 500 kHz. 10 F load capacitor and 100 nF decoupling capacitor are required on the regulator OUTPUT for stability. The 10 F must have an effective series resistance of 5 and a resonant frequency above 500 kHz. 4) The OUTPUT current will not apply for all possible combinations of input voltage and output current. Combinations that would require the A6300 to work above the maximum junction temperature C ) must be avoided. 5) The thermal resistance specified assumes the package is soldered to a PCB.

Parameter Supply current Supply current 1) Output voltage Output voltage Output voltage temperature coefficient 2) Line regulation 3) Load regulation 3) Dropout voltage 4) Dropout voltage 4) Dropout voltage 4) Dropout supply current Thermal regulation 5) Current limit OUTPUT noise, to 100 kHz Threshold voltage

Symbol ISS VOUTPUT Vth(coeff) VLINE VL VDROPOUT ISS Vthr ILmax VNOISE VTH VHYS VOL VOH ILEAK

Test Conditions Reset output open, 100 A Reset output open, mA at VINPUT IL 100 mA, 6 V VINPUT = 1 mA, = 100 mA, +125 C VINPUT = +25 C, = 50 mA, VINPUT 10 ms OUTPUT tied to VSS Version: AA, AG, AM Version: AB, AH, AN Version: AC, AI, AO Version: AD, AJ, AP Version: AE, AK, AQ VOUTPUT 5 V, IOL 8 mA VOUTPUT 3 V, IOL 4 mA VOUTPUT 1 V, IOL 50 A VOUTPUT 5 V, IOH 8 mA VOUTPUT 3 V, IOH -4 mA VOUTPUT 1 V, IOH -100 A VOUTPUT 5 V

Threshold hysteresis RES Output Low Level RES Output High Level 7) Leakage current 6)

If INPUT is connected to VSS , no reverse current will flow from the OUTPUT to the INPUT, however the supply current specified will be sank by the OUTPUT to supply the A6300. The OUTPUT voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. Regulation is measured at constant junction temperature using pulse testing with a low duty cycle. Changes in OUTPUT voltage due to heating effects are covered in the specification for thermal regulation. The dropout voltage is defined as the INPUT to OUTPUT differential, measured with the input voltage equal 5.0 V. Thermal regulation is defined as the change in OUTPUT voltage at a time T after a change in power dissipation is applied, excluding load or line regulation effects. Only for open drain versions. For push-pull output only Reset output open


 

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