a702gft-he ADD Microtech Inc., a702gft-he Datasheet - Page 2

• Manufacturer Part Number: a702gft-he
• Description: 6 Channels Adjustable Constant Current Led Driver
• Manufacturer: ADD Microtech Inc.

Note: The thermal pad is suggested connect to GND on PCB. And thermal conductivity will be improved, if a copper foil on PCB is soldered with
Copyright © 2009 ADDtek Corp.
OUT1~OUT6
Note:
thermal pad.
Where, T
Pin Name
GND
ISET
STD
V
O E
OE
DD
G
J
T
J
T
P
θ
θ
J
θ
= P
: Junction Temperature.
D
JC
CS
SA
A
: Dissipated power.
: Ambient Temperature.
: Thermal Resistance – Junction to Case (Tab).
: Thermal Resistance – Case (Tab) to Mounting Surface
: Thermal Resistance – Mounting Surface to Ambient (thermal resistance of the heat sink)
D
Package
( θ
JC
Ground terminal for control logic and current sink.
Constant current output terminals
Output Enable terminal, “Low” active. “Low level voltage” enables all the six output pins
while “high level voltage” disables all the six output pins (blanked). It can be left floating
for normally on.
Output Enable terminal, “High” active. “High level voltage” enables all the six output pins
while “low level voltage” disables all the six output pins (blanked). It can be left floating
for normally on.
Output current setting input. Connect a resistor (R
setup the output current for all output channels following:
Don’t leave this pin open as shutdown control .
Chip shutdown pin, Low active. The supply current less than 1uA when shutdown. Internal
pull-high.
6V/50V supply voltage terminal
+ θ
MSOP-EP
QFN 3 × 3
CS
I
OUTn
+ θ
= (1.2V / R
SA
) + T
A
THERMAL RESISTANCE
= P
SET
D
PIN DESCRIPTION
) × 60
× θ
JA
+ T
A
107
2
θ
51
Pin Descriptions
JA
Thermal Resistance (°C /W)
SET
) between ISET pin and GND pin to
DD082_B -- JULY 2009
29.62
9.63
θ
JT
A701/2