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參數(shù)資料
| 型號： | TPS63700DRC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DC-DC INVERTER |
| 中文描述： | 直流逆變器 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 1029K |
| 代理商： | TPS63700DRC |
www.ti.com
APPLICATION INFORMATION
Design Procedure
The TPS63700 dc-dc converter is intended for systems typically powered by a single-cell Li-ion or Li-polymer
battery with a terminal voltage between 2.7 V up to 4.2 V. Due to the recommended input voltage going up to 5.5
V, the device is also suitable for 3-cell alkaline, NiCd, or NiMH batteries, as well as regulated supply voltages of
3.3 V or 5 V.
COMP
GND
VIN
EN
IN
VREF
FB
OUT
PS_GND
SW
PowerPAD
VOUT,
–
5V
C2
C3
10pF
D1
L1
4.7 H
m
C6
4.7nF
TPS63700
SL02
10
W
C1
0.1 F
m
C4
10 F
m
C5
4x4.7 F
m
0.22 F
m
R2
150k
W
R3
680k
W
R4
100k
W
2.7VTo5.5V
VIN
2.7 V To 5.5 V
COMP
GND
VIN
EN
IN
VREF
FB
OUT
PS_GND
SW
PowerPAD
VOUT,
–
12V
C2
C3
121k
W
10pF
D1
TPS63700
SL03
L1
10 H
m
C6
4.7nF
10
W
C1
0.1 F
m
C4
10 F
m
C5
4x4.7 F
m
0.22 F
m
R2
R3
1.2M
W
R4
100k
W
VIN
Programming the Output Voltage
TPS63700
SLVS530–SEPTEMBER 2005
Figure 14. Circuit for –5 Volt Output
Figure 15. Circuit for –12 Volt Output
Converter
The output voltage of the TPS63700 converter can be adjusted with an external resistor divider connected to the
FB pin. The reference point of the feedback divider is the reference voltage VREF with 1.213 V. The typical value
of the voltage at the FB pin is 0 V. The minimum recommended output voltage at the converter is –15 V. The
feedback divider current should be 10
μ
A. The voltage across R2 is 1.213 V. Based on those values, the
recommended value for R2 should be 120 k
to 200 k
in order to set the divider current at the required value.
The value of the resistor R3 can then be calculated using
Equation 1
, depending on the needed output voltage
(V
OUT
):
13
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPS63700DRCR | 功能描述:直流/直流開關轉換器 Adj -15V Out Inv DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS63700DRCRG4 | 功能描述:直流/直流開關調節(jié)器 Adj -15V Out Inv DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS63700DRCT | 功能描述:直流/直流開關調節(jié)器 Adj -15V Out Inv DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率: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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS63700DRCT | 制造商:Texas Instruments 功能描述:IC DC/DC INV -15V 10-SON 制造商:Texas Instruments 功能描述:IC, DC/DC INV -15V 10-SON 制造商:Texas Instruments 功能描述:IC, DC/DC INV -15V 10-SON; Primary Input Voltage:5.5V; No. of Outputs:1; Output Voltage:-2V; Output Current:360mA; Voltage Regulator Case Style:SON; No. of Pins:10; Operating Temperature Min:-40C; Operating Temperature Max:85C; ;RoHS Compliant: Yes |
| TPS63700DRCT | 制造商:Texas Instruments 功能描述:DC/DC CONVERTER 制造商:Texas Instruments 功能描述:IC, INVERTING DC/DC CONVERTER, SON-10 |
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