Diodes AP3616 Manuel d'utilisateur télécharger pdf (Page 6)

SIXTEEN-CHANNEL, 75mA CURRENT SINK WITH CURRENT MATCH AP3616

Data Sheet

BCD Semiconductor Manufacturing LimitedJul. 2012 Rev. 1. 2

Parameter Symbol Min Max Unit

Input Voltage

4.2 27 V

Recommended PWM Dimming Frequency f

PWM

0.08 25 kHz

Full Scale Setting Current per Channel

CHX

=0.5V

CHX

20 40

CHX

=0.8V 20 60

CHX

=1.2V 20 75

Operating Temperature Range

-40 85

Recommended Operating Conditions

Electrical Characteristics

Parameter Symbol Conditions Min Typ Max Unit

VCC SECTION

Quiescent Current I

ISET, SYN and FB

Pin Floating

24mA

Shutdown Supply Current I

STBY

=0V, ISET,SYN

and FB Pin Floating

0.1 1 µA

Under Voltage Lockout Threshold V

UVLO

VIN Falling Edge 3.65 3.9 4.15 V

Under Voltage Lockout Hysteresis V

UVLO_HYS

300 mV

CHANNEL SECTION

Maximum Output Current per Channel I

CHX_MAX

CHX

=0.8V, R

ISET

=0 75 mA

Current Sink Saturation Voltage per

Channel

CHX_SAT

CHX

=60mA

0.6 V

Current Matching Accuracy between Any

Two Channels

CH_MATCHING

CHX

=60mA,

=0.8V

Output Current Load Regulation V

CHX

=0.5V to 2.8V 4 %

Output Current Line Regulation (Note 2) V

CHX

=4.2V to 2.8V 2 %/V

=24V, V

=5V, T

=25

C, unless otherwise specified. Boldface type apply over the full operating tempera-

ture range (T

=-40

C to 85

C).

Note 2: Guaranteed by design (GBD).

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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Diodes AP3616 Manuel d'utilisateur Page 6

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