a708ygt ADD Microtech Inc., a708ygt Datasheet - Page 3

• Manufacturer Part Number: a708ygt
• Description: 3 Channels 20ma Advanced Current Regulator
• Manufacturer: ADD Microtech Inc.

Note 1: LED Dropout Voltage: 90% × I
Note 2: ( I
Copyright © 2008 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
(Channel to Channel)
Load Regulation
Line Regulation
Supply Current
Standby Supply Current
LED1 ~ LED3
EN
V
GND
PGND
DD
DD
=3.7V, V
Pin Name
LEDn, MAX
Parameter
IH
－I
=3.3V, V
LEDn, MIN
Parameter
) / ( I
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
=GND, No Load, T
LEDn, MAX
LEDn
Symbol
RECOMMENDED OPERATING CONDITIONS
△I
I
V
DDSTBY
＋I
I
V
V
I
I
I
LEDL
LED
@ V
DD
IH
IL
LEDn
IH
LEDn, MIN
IL
ELECTRICAL CHARACTERISTICS
LEDn
=150mV
Note 1
Note 2
V
V
)
LEDn
DD
A
=2.7~12V, V
=25°C, (Unless otherwise noted)
PIN DESCRIPTION
=0.15~3V
Condition
Symbol
V
I
3
T
LED
DD
A
LEDn
=0.15V
Pin Function
Min
-40
2.7
Min
-5.0
-5.0
1.7
18
0
Typ
Typ
300
0.1
75
20
DD076_C -- OCTOBER 2008
Max
+5.0
+5.0
V
±5
±3
±3
600
0.4
90
22
DD
Max
+85
12
25
Unit
mA
mV
µA
µA
uA
uA
%
%
%
V
V
A708
Unit
mA
°C
Apply
LEDn
V
V
Pin
EN
DD