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| 型号： | TPS6735IDRG4 |
| 厂商： | Texas Instruments |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC REG INV -5V 0.2A 8SOIC |
| 标准包装： | 2,500 |
| 类型： | 反相 |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | -5V |
| 输入电压： | 4 V ~ 6.2 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 160kHz |
| 电流 - 输出： | 200mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
| 配用： | 296-10981-ND - EVAL MOD FOR TPS6735 |
TPS6735
FIXED NEGATIVE 5 V 200 mA INVERTING DC/DC CONVERTER
SLVS141A ? JULY 1996 ? REVISED JANUARY 1997
V CC
D
D
D
D
Negative 5-V 200-mA Output (V CC ≥ 4.5 V)
4-V to 6.2-V Input Operating Range
78% Typical Efficiency
160-kHz Fixed-Frequency Current-Mode
D OR P PACKAGE
(TOP VIEW)
EN 1 8
REF 2 7 OUT
PWM Controller
SS
3
6
GND
D
EN Input Inhibits Operation and Reduces
Supply Current to 1 μ A
COMP
4
5
FB
D
D
D
D
Soft Start
8-Pin SOIC and DIP Packages
?40 ° C to 85 ° C Free-Air Temperature Range
Pin-for-Pin Compatible with MAX735
description
The TPS6735 is a fixed negative 5-V output inverting dc/dc converter capable of delivering 200 mA from inputs
as low as 4.5 V. The only external components required are an inductor, an output filter capacitor, an input filter
capacitor, a reference filter capacitor, and a Schottky rectifier. An enable input is provided to shut down the
inverter when a ?5-V output is not needed. The typical supply current is 1.9 mA at no-load and is further reduced
to 1- μ A when the enable input is low.
The TPS6735 is a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET
power switch. The gate drive uses the ?5-V output to reduce the die area needed to realize the 0.4- ? MOSFET.
Soft start is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for
external loads up to 125 μ A.
The TPS6735 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered
equipment requiring high efficiency and low supply current.
The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of
?40 ° C to 85 ° C.
VI
4 V to 6.2 V
+
47 μ F
TPS6735
ENABLE
10 μ F
+
1
2
3
4
EN
REF
SS
COMP
VCC
OUT
GND
FB
8
7
6
5
1 μ F
1N5817
10 μ H
+
?5V
100 μ F
82 pF?
? Not required for loads of 100 mA or less
Figure 1. Typical Circuit
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
?
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251?1443
POST OFFICE BOX 655303 ? DALLAS, TEXAS 75265
Copyright ? 1997, Texas Instruments Incorporated
1
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相关代理商/技术参数 |
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| TPS6735IP | 功能描述:直流/直流开关调节器 200mA 12V DC/DC 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 |
| TPS6735IPE4 | 功能描述:直流/直流开关调节器 Fixed Neg 5-V 200-MA 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 |
| TPS6755ID | 功能描述:直流/直流开关调节器 200mA 12V DC/DC 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 |
| TPS6755IDG4 | 功能描述:直流/直流开关调节器 Adjustable Inverting 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 |
| TPS6755IDR | 功能描述:直流/直流开关调节器 Adjustable Inverting 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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