A708 ADDtek Corp, A708 Datasheet - Page 3

• Manufacturer Part Number: A708
• Description: 3 Channels 20mA Advanced Current Regulator
• Manufacturer: ADDtek Corp

Note 1: LED Dropout Voltage: 90% × I
Note 2: I
Copyright © 2007 ADDtek Corp.
Supply Voltage
Output Sink current
Operating free-air temperature range
V
“Low” Input Voltage
“High” Input Voltage
“Low” Input Current
“High” Input Current
LED Dropout Voltage
LED Sink Current
LED Sink Current Deviation
Load Regulation
Line Regulation
Supply Current
Standby Supply Current
Pin Name
LED1 ~ LED3
EN
V
GND
PGND
DD
DD
=3.7V, V
LEDn
(max)-I
Parameter
IH
LEDn
=3.3V, V
(average) and I
Parameter
IL
Output pins; connect to LED’s cathode.
Enable control pin. Pulling this pin high will enable the device. Pulling this pin to GND
will disable the device.
Power supply
Ground
Power ground
Pin Function
=GND, No Load, T
LEDn
LEDn
Symbol
△I
I
RECOMMENDED OPERATING CONDITIONS
V
DDSTBY
(average)-I
I
V
V
I
I
I
LEDL
LED
@ V
DD
IH
IL
LEDn
IH
IL
ELECTRICAL CHARACTERISTICS
LEDn
=150mV
LEDn
Note 1
Rank A
Note 2
V
V
LEDn
DD
(min)
A
=2.7~12V, V
=25°C, (Unless otherwise noted)
PIN DESCRIPTION
=0.15~3V
Condition
Symbol
V
I
T
LED
3
DD
LEDn
A
=0.15V
Min
-40
2.7
Min
-5.0
-5.0
1.7
19
18
0
Typ
Typ
300
0.1
75
20
20
DD076_A -- AUGUST 2007
Max
+5.0
+5.0
V
±3
±3
±3
600
0.4
21
90
22
Max
DD
+85
12
25
Unit
mA
mV
µA
µA
uA
uA
%
%
%
V
V
A708
Unit
mA
°C
Apply
LEDn
V
V
Pin
EN
DD