AS3691_07 Datasheet, PDF (5/23 Pages) ams AG – 4 Precision 400mA Current Sources for RGB and Single Color Leds

AS3691
Datasheet
5 Pinout
5.1 Pin Assignments
Figure 3 – Pin Usage
VREG
UV1 CURR1
UV2 CURR2
UV3 CURR3
UV4 CURR4
AS3691
lid D1
Ref
va _Overtemp
Vc
T1
I1
R1
Vc
T2
I2
R2
Vc
T3
I3
R3
Vc
T4
I4
R4
ill _{Pad VSS ON1 RFB1 RES1 ON2 RFB2 RES2 ON3 RFB3 RES3 ON4 RFB4 RES4}
G _{st 5.2 Pin Descriptions}
A ^t _{Table 1 – Pin Type Descriptions}
s ^{n Pin Type}
e _AI/O
Analog Pin
m ^{t AI}
Analog Input Pin
a ^{n AO}
Analog Output Pin
DI
Digital Input
o _S
Supply Pin
Description
l ^c _{Table 2 – Pin Descriptions}
a _{Pin Number Pin Number}
QFN
ePTSSOP
ic ^Package
Package
1
10
n ₂
11
h ₃
12
c₄
13
e5
14
T⁶
15
Pin Name
CURR1
RFB1
nc
RFB4
CURR4
RES4
Type
AI/O
AI
nc
AI
AI/O
AI/O
Description
Current Source 1 Output
Connect to current set resistor R1 directly at
resistor itself
Leave open
Connect to current set resistor R4 directly at
resistor itself
Current Source 4 Output
Connect to current set resistor R4
www.austriamicrosystems.com (ptr)
Revision 2.3
4 - 22