参数资料
型号: TPS61170DRVTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.44 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO6
封装: 2 X 2 MM, GREEN, PLASTIC, SON-6
文件页数: 11/29页
文件大小: 689K
代理商: TPS61170DRVTG4
D1
VIN
SW
FB
GND
CTRL
COMP
C3
680 pF
TPS 61170
L1
10 H
m
C1
4.7 F
m
C2
4.7 F
m
R1
185.1 kW
R2
10 kW
R3
10 kW
L1: TOKO#A915_Y-100M
C1: Murata GRM21BR61E475K
C2: Murata GRM32ER71H475K
D1: ONsemi MBR0540T1
VIN 12 V
VOUT 24 V/ 300 mA
VIN5V
D1
VIN
SW
FB
GND
CTRL
COMP
C3
680pF
TPS 61170
ON/ OFF
ProgramFB
L1
10 H
m
R1
87.6kW
R2
10kW
R3
10kW
C1
4.7 F
m
VOUT 12V/300mA
C2
4.7 F
m
L1: TOKO#A915_Y-100M
C1:MurataGRM188R61A475K
C2:MurataGRM21BR61E475K
D1: ONsemiMBR0540T1
SLVS789C
– NOVEMBER 2007 – REVISED APRIL 2011
The TPS61170 comes in a thermally enhanced QFN package. This package includes a thermal pad that
improves the thermal capabilities of the package. The RθJA of the QFN package greatly depends on the PCB
layout and thermal pad connection. The thermal pad must be soldered to the analog ground on the PCB. Using
thermal vias underneath the thermal pad as illustrated in the layout example. Also see the QFN/SON PCB
Attachment application report (SLUA271).
ADDITIONAL TYPICAL APPLICATIONS
Figure 19. 12V to 24V DCDC Power Conversion
Figure 20. 5V to 12V DCDC Power Conversion With Programmable Feedback Reference Voltage
Copyright
2007–2011, Texas Instruments Incorporated
19
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