User Manual

PAM2810
Document number: DSxxxxx Rev. 1 - 1
4 of 11
www.diodes.com
October 2012
© Diodes Incorporated
PAM2810
A
Product Line o
f
Diodes Incorporated
Thermal Information
Parameter Symbol Package Max Unit
Thermal Resistance (Junction to Ambient)
θ
JA
SOT23-8 250
°C/W
DFN2x2-8 80
Thermal Resistance (Junction to Case)
θ
JC
SOT23-8 130
DFN2x2-8 30
Electrical Characteristics (@T
A
= +25°C, V
IN
= 3.6V, R
SET
= 5.1kΩ, V
LEDX
= 0.5V, unless otherwise specified.)
Parameter Symbol Test Conditions Min Typ Max Units
Input Voltage Range
V
IN
Vf = V
LED
(Note 1)
3.6 5.5 V
Output Current
I
LEDX
V
DD
= 5V
40 mA
Current Matching Between Any Two
Outputs
I
LED-MATCH
±5 %
Current Sink Dropout
V
DROPOUT
R
SET
= 3kΩ, I
LEDX
= 40mA
0.25 V
ISET PIN Voltage
V
SET
1.22 V
Output Current to Current Set Ratio
I
LEDX
/I
SET
100
Quiescent Supply Current
I
Q
R
SET
= 10MΩ, with no loads
65 80 µA
Shutdown Supply Current
I
SHDN
EN = Logic Low 0.1 1 µA
EN Input Logic High
V
HI
1.4 V
EN Input Logic Low
V
LO
0.4 V
EN Pin Current
I
EN
V(EN) = 1.5V 0.1 1 µA
V(EN) = 0V 0.1 1 µA