AS3691

Datasheet

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Revision 2.3

11 - 22

Figure

11 – Automatic Supply Regulation dynamic performance using DCDC converter in regulation loop (as in section 7.3)

R1 = 47kΩ, R2 = 10kΩ, R3 = 5kΩ, R4 = 500Ω, C1 = 1uF, I(CURR1) = 400mA/20mA (Ri1=0.625

Ω)

3 OSRAM Golden Dragon in series as load between CURR1 and VDD

Input signal on pin ON1: PWM signal with f=10kHz, 80% duty cycle

Figure

12 – Parallel Current I1 to I4 (for measurement of I1 remove current set resistor R1)

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0

5

10

15

VCURR1 [V]