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参数资料
| 型号： | DS1050Z-5/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/17页 |
| 文件大小： | 0K |
| 描述： | IC PWM 5-BIT 5KHZ 2-WIRE 8-SOIC |
| 标准包装： | 2,500 |
| 类型： | 脉宽调制器（PWM） |
| PLL： | 无 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:1 |
| 差分 - 输入:输出： | 无/无 |
| 频率 - 最大： | 5kHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | * |
| 包装： | 带卷 (TR) |
DS1050
2 of 17
OPERATION
Interface protocol is simplified to an 8-bit control byte and 8-bit data byte. Information can be read or
written to the DS1050 including a commanded shutdown operation.
Power-Up Configuration
The DS1050 powers-up to half-scale (10000B) providing 50% duty-cycle. In this mode, the DS1050 can
be used as a standalone oscillator of the frequency specified. Once powered, the PWM output can be
changed via the 2-wire addressable serial port.
Pin Description
Vcc – Power supply terminal. The DS1050 will support operation from power supply voltages ranging
from +2.7 volts to +5.5 volts.
GND – Ground terminal.
PWMO – Pulse-width modulated output. This output is a square-wave having amplitudes from 0 volts to
VCC. The duty cycle of this output is governed by a 5-bit control register. Output duty cycles range from
0% to 96.88%. An additional command sequence will provide a 100% duty cycle or “full-on.”
SCL – Serial clock input.
SDA – Serial bi-directional data I/O.
A0, A1, A2 – Device address (chip selects).
2-Wire Addressable Serial Port Control
The 2-wire serial port interface supports a bi-directional data transmission protocol with device
addressing. A device that sends data on the bus is defined as a transmitter, and a device receiving data as
a receiver. The device that controls the message is called a “master.” The devices that are controlled by
the master are “slaves.” The bus must be controlled by a master device that generates the serial clock
(SCL), controls the bus access, and generates the START and STOP conditions. The DS1050 operates as
a slave on the 2-wire bus. Connections to the bus are made via the open-drain I/O lines SDA and SCL.
The following I/O terminals control the 2-wire serial port: SDA, SCL, A0, A1, and A2. A 2-wire serial
port overview and timing diagrams for the 2-wire serial port can be found in Figures 2 and 5,
respectively. Timing information for the 2-wire serial port is provided in the “AC Electrical
Characteristics” table for 2-wire serial communications.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1052 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:5-Bit, Programmable, 100kHz Pulse-Width Modulator |
| DS1052U-100 | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| DS1052U-100+ | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| DS1052Z-100 | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| DS1052Z-100+ | 功能描述:电压模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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