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参数资料
| 型号： | TPS63700DRCR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.14 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 5/25页 |
| 文件大小： | 668K |
| 代理商： | TPS63700DRCR |
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
150kW
R3
619kW
R4
100kW
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
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
121kW
R3
1.2MW
R4
100kW
VIN
R3 + R2
V
REF *
V
OUT
V
REF
* 1
www.ti.com
SLVS530B – SEPTEMBER 2005 – REVISED NOVEMBER 2007
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.
Figure 14. Circuit for –5 Volt Output
Figure 15. Circuit for –12 Volt Output
Programming the Output Voltage
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 mA. The voltage across R2 is 1.213 V. Based on those values, the
recommended value for R2 should be 120 k
Ω to 200 kΩ 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
(VOUT):
(1)
Copyright 2005–2007, Texas Instruments Incorporated
13
Product Folder Link(s): TPS63700
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS63700DRCRG4 | 功能描述:直流/直流开关调节器 Adj -15V Out Inv DC/DC Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS63700DRCT | 功能描述:直流/直流开关调节器 Adj -15V Out Inv DC/DC Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体: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 |
| TPS63700DRCTG4 | 功能描述:直流/直流开关调节器 Adj -15V Out Inv DC/DC Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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