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參數(shù)資料
| 型號： | DS1050U-001 |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PWM 5BIT 1KHZ 2-WIRE 8USOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 類型： | 脈寬調(diào)制器（PWM） |
| PLL： | 無 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:1 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 1kHz |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 管件 |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1050U-001/T&R | 制造商:Maxim Integrated Products 功能描述:PROGRAM PWM 8P USOP 1KHZ 2-W T&R - Tape and Reel |
| DS1050U-001/T&R | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| DS1050U-001+ | 功能描述:電壓模式 PWM 控制器 5 Bit 118-mil 2-Wire 1kHz PWM RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| DS1050U-001+T | 功能描述:電壓模式 PWM 控制器 5 Bit 118-mil 2-Wire 1kHz PWM RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| DS1050U-005 | 功能描述:電壓模式 PWM 控制器 5 Bit 118-mil 2-Wire 5kHz PWM RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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