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參數(shù)資料
| 型號： | MC33879 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Single Output LDO, 1.0A, Adj.(1.25 to 13.5V), Internal Current limit, Thermal Overload Protection 4-SOT-223 |
| 中文描述： | 串行配置八路與開放式負(fù)荷開關(guān)電流檢測禁用 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 408K |
| 代理商： | MC33879 |
33879 Simplified Application Diagram
VBAT
M
VBAT
VPWR
33879
Low-Side Drive
GND
S3
S4
D1
D2
D3
D4
S1
S2
D5
D6
D7
D8
S5
S6
S7
S8
EN
DI
SCLK
CS
DO
IN5
IN6
MCU
A0
MOSI
SCLK
CS
MISO
PWM1
PWM2
VDD
VPWR
+5.0 V
H-Bridge Configuration
VBAT
High-Side Drive
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
This document contains information on a product under development.
Motorola reserves the right to change or discontinue this product without notice.
Motorola, Inc. 2004
Document order number: MC33879
Rev 3.0, 06/2004
33879
Preliminary Information
Configurable Octal Serial Switch
with Open Load Detect Current
Disable
The 33879 device is an 8-output hardware-configurable, high-side/low-side
switch with 16-bit serial input control. Two of the outputs may be controlled
directly via microprocessor for PWM applications. The 33879 incorporates
SMARTMOS technology, with CMOS logic, bipolar/MOS analog circuitry, and
DMOS power MOSFETs. The 33879 controls various inductive, incandescent,
or LED loads by directly interfacing with a microcontroller. The circuit’s
innovative monitoring and protection features include very low standby
currents, cascade fault reporting, internal
+45 V
clamp voltage for low-side
configuration, -20 V high-side configuration, output-specific diagnostics, and
independent overtemperature protection.
Features
Designed to Operate 5.5 V < V
PWR
< 26.5
V
16-Bit SPI for Control and Fault Reporting, 3.3 V/5.0 V Compatible
Outputs Are Current Limited (0.5 A to 1.0 A) to Drive Incandescent
Lamps
Output Voltage Clamp, +45 V (Low Side) and -20 V (High Side) During
Inductive Switching
On/Off Control of Open Load Detect Current (LED Application)
Internal Reverse Battery Protection on V
PWR
Loss of Ground or Supply Will Not Energize Loads or Damage IC
Maximum 5.0
μ
A I
PWR
Standby Current at 13.0 V V
PWR
R
DS(ON)
of 1.0
at 25
°
C Typical
Short Circuit Detect and Current Limit with Automatic Retry
Independent Overtemperature Protection
Motorola Now Offers Pb-Free Packaging with the Suffix EK
CONFIGURABLE OCTAL SERIAL
SWITCH WITH OPEN LOAD
DETECT CURRENT DISABLE
EK (Pb-FREE) SUFFIX
DWB SUFFIX
CASE 1437-01
32-LEAD SOICW-EP
ORDERING INFORMATION
Device
Temperature
Range (T
A
)
Package
PC33879DWB/R2
-40
°
C
to 125
°
C
32 SOICW-EP
PC33879EK/R2
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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參數(shù)描述 |
|---|---|
| MC33879APEK | 功能描述:電源開關(guān) IC - 配電 CONFIG OCTAL SERIAL SW RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33879APEKR2 | 功能描述:電源開關(guān) IC - 配電 CONFIG OCTAL SERIAL SW RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33879EK | 功能描述:電源開關(guān) IC - 配電 CONFIG OCTAL SERIAL SW W RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33879EKR2 | 功能描述:電源開關(guān) IC - 配電 CONFIG OCTAL SERIAL SW W RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33879TEK | 功能描述:電源開關(guān) IC - 配電 CONFIG OCTAL SER SWITCH RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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