LD6806F datasheet(18/36 Pages) PHILIPS

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LD6806_SER

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Product data sheet

Rev. 3 — 9 December 2011

18 of 36

NXP Semiconductors

LD6806 series

Ultra low-dropout regulator, low noise, 200 mA

10. Application information

10.1 Output capacitor values

The LD6806 series requires external capacitors at the output to guarantee a stable

regulator behavior. Also an input capacitor is recommended to keep the input voltage

stable. These capacitors should not under-run the specified minimum Equivalent Series

Resistance (ESR).

The absolute value of the total capacitance attached to the output pin OUT influences the

shutdown time (tsd(reg)) of the LD6806 series.

[1]

The minimum value of capacitance for stability and correct operation is 0.7

F. The capacitor tolerance

should be

30 % or better over the temperature range. The full range of operating conditions for the

capacitor in the application should be considered during device selection to ensure that this minimum

capacitance specification is met. The recommended capacitor type is X7R to meet the full device

temperature specification of

40 C to +125 C.

11. Test information

11.1 Quality information

This product has been qualified in accordance with NX2-00001 NXP Semiconductors

Quality and Reliability Specification and is suitable for use in consumer applications.

Table 11.

External load capacitor

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

CL(ext)

external load capacitance

[1] -1.0

F

ESR

equivalent series resistance

500



Fig 34. Application diagram

OUT

GND

μF

001aan647

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