PCA9626B NXP Semiconductors, PCA9626B Datasheet - Page 35

• Manufacturer Part Number: PCA9626B
• Description: IC, LED DRIVER, RGBA, 48-LQFP
• Manufacturer: NXP Semiconductors

Specifications of PCA9626B

• No. Of Outputs: 24
• Output Current: 100mA
• Output Voltage: 40V
• Input Voltage: 2.3V To 5.5V
• Dimming Control Type: PWM
• Driver Case Style: LQFP
• Switching Frequency: 1MHz
• Base Number: 9626
• Operating: RoHS Compliant
• Led Driver Application: RGB Or RGBA LED Drivers, LED Status Information, Displays, Backlights
• Rohs Compliant: Yes
• Lead Free Status / Rohs Status: Details

NXP Semiconductors
12. Thermal characteristics
PCA9626_2
Product data sheet
Table 16.
[1]
Table 17.
[1]
Measurement
T
T
T
Symbol
R
R
amb
amb
amb
th(j-a)
th(j-c)
maximum power
dissipation (chip + output
drivers)
maximum power
dissipation (output drivers
only)
maximum drive current
per channel
maximum power
dissipation (chip + output
drivers)
maximum power
dissipation (output drivers
only)
maximum drive current
per channel
maximum power
dissipation (chip + output
drivers)
maximum power
dissipation (output drivers
only)
maximum drive current
per channel
This value signifies package’s ability to handle more than 100 mA per output driver. The device’s maximum
current rating per output is 100 mA.
Calculated in accordance with JESD 51-7.
= 25 C
= 60 C
= 80 C
LQFP48 versus HVQFN48 power dissipation and output current capability
Thermal characteristics
Parameter
thermal resistance from junction to ambient
thermal resistance from junction to case
Rev. 02 — 31 August 2009
----------------------------------- -
24-bit
----------------------------------- -
24-bit
----------------------------------- -
24-bit
1460 mW
901 mW
585 mW
1590 mW
1460 mW
1030 mW
0.5 V
LQFP48
901 mW
714 mW
585 mW
0.5 V
0.5 V
24-bit Fm+ I
=
=
=
121.7 mA
75.1 mA
48.8 mA
Conditions
LQFP48
HVQFN48
LQFP48
HVQFN48
[1]
2
C-bus 100 mA 40 V LED driver
----------------------------------- -
24-bit
----------------------------------- -
24-bit
----------------------------------- -
24-bit
2650 mW
1680 mW
1120 mW
HVQFN48
2780 mW
2650 mW
1810 mW
1680 mW
1250 mW
1120 mW
PCA9626
0.5 V
0.5 V
© NXP B.V. 2009. All rights reserved.
[1]
[1]
[1]
[1]
0.5 V
Typ
63
36
18
14
=
=
=
220.8 mA
140 mA
93.3 mA
Unit
35 of 47
C/W
C/W
C/W
C/W
[1]
[1]