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參數(shù)資料
| 型號： | TPS6734I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY |
| 中文描述： | 固定12伏120毫安升壓轉(zhuǎn)換器供電 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大?。?/td> | 285K |
| 代理商： | TPS6734I |
TPS6734I
FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY
SLVS127A – AUGUST 1995 – REVISED JANUARY 1999
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
TPS6734 converter design with recommended layout
The following schematic (Figure 13) and a required-components table are provided for a 12-V-output boost
converter. The converter is capable of delivering 120 mA of output current over an input voltage range of 3.75 V
to 12 V. Recommended layout and detailed artwork for a PCB are provided in Figures 14 through 17.
NOTE A: A jumper between pins P1-3 and P1-4 shuts off the TPS7634. Remove the jumper to resume normal operation.
VCC
FB
OUT
GND
EN
REF
SS
COMP
1
2
3
4
8
7
6
5
TPS6734
VI
ENABLE
+
33
μ
F, 20 V
L1
18
μ
H
SS12
1
2
3
4
VO
VO
GND
GND
C5
D1
U1
C4 0.001
μ
F
+
C1
C3
0.047
μ
F
C2
0.01
μ
F
R1
10 k
1
2
3
4
GND
GND
33
μ
F, 20 V
P1
P2
Figure 13. Schematic for Printed Circuit Board (shown in Figures 14 through 17)
Required Components
QTY.
DESCRIPTION
REF DES
MANUFACTURER’S
PART NO.
TPS6734ID
MANUFACTURER
1
IC, power supply, 12 V for flash memory
U1
Texas Instruments
1
Diode, Schottky
Inductor, 18
μ
H, 150 m
, 1.23 A(DC)
Capacitor, 33
μ
F, 20 V, tantalum
Capacitor, 0.01
μ
F, 50 V, ceramic, 0805
Capacitor, 0.047
μ
F, 50 V, ceramic, 1206
Capacitor, 0.001
μ
F, 50 V, ceramic, 0805
Connector, header, 4-pin
D1
SS12
General Instruments
1
L1
CD54180MC
Sumida
2
C1,5
TAPSD336M020R0200
AVX
1
C2
1
C3
1
C4
2
P1,2
Molex
1
PCB, TPS6734
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS6734ID | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS6734IDG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS6734IDR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS6734IDRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Fixed 12-V 120-MA Boost-Conv Supply RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS6734IP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 120mA 12V RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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