参数资料
型号: TPS61060DRB
厂商: TEXAS INSTRUMENTS INC
元件分类: 显示驱动器
英文描述: LED DISPLAY DRIVER, PDSO8
封装: 3 X 3 MM, PLASTIC, SON-8
文件页数: 6/25页
文件大小: 761K
代理商: TPS61060DRB
www.ti.com
THERMAL CONSIDERATIONS
TYPICAL APPLICATIONS
VIN
EN
GND
SW
FB
OUT
ILED
PGND
VIN
2.7 V to 6 V
L1
22 mH
C2
220 nF
RS
12 W
C1
1 mF
VIN
EN
GND
SW
FB
OUT
ILED
PGND
VIN
2.7 V to 6 V
L1
22 mH
C2
220 nF
RS
12 W
C1
1 mF
TPS61060
TPS61061
TPS61062
SLVS538A – NOVEMBER 2004 – REVISED APRIL 2005
The TPS6106x comes in a thermally enhanced QFN package. The package includes a thermal pad that
improves the thermal capabilities of the package. Also see QFN/SON PCB Attachment application report
(SLUA271). The thermal resistance junction-to-ambient RθJA of the QFN package greatly depends on the PCB
layout. Using thermal vias and wide PCB traces improves the thermal resistance RθJA. The thermal pad needs to
be soldered to the analog ground on the PCB.
For the NanoFree package, similar guidelines apply for the QFN package. The thermal resistance RθJA depends
mainly on the PCB layout.
Figure 17. TPS61060 Powering Two White LEDs
Figure 18. TPS61060 Powering Three White LEDs
14
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