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參數資料
| 型號： | MC34066DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩壓器 |
| 英文描述： | HIGH PERFORMANCE RESONANT MODE CONTROLLERS |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | PLASTIC, SO-16 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 168K |
| 代理商： | MC34066DW |
SEMICONDUCTOR
TECHNICAL DATA
HIGH PERFORMANCE
RESONANT MODE
CONTROLLERS
Order this document by MC34066/D
DW SUFFIX
PLASTIC PACKAGE
CASE 751G
(SO–16L)
P SUFFIX
PLASTIC PACKAGE
CASE 648
PIN CONNECTIONS
Osc Deadtime
Osc RC
Osc Control
Current
Gnd
Vref
Error Amp Out
Error Amp
Inverting Input
Error Amp
Noninverting Input
(Top View)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 One–Shot RC
VCC
Drive Output A
Drive Output B
Drive Gnd
CSoft–Start
Fault Input
Enable/UVLO
Adjust
Device
Operating
Temperature Range
Package
ORDERING INFORMATION
MC34066DW
TA = 0
°
to +70
°
C
SO–16L
Plastic DIP
SO–16L
Plastic DIP
TA = –40
°
to +85
°
C
MC34066P
MC33066DW
MC33066P
1
MOTOROLA ANALOG IC DEVICE DATA
The MC34066/MC33066 are high performance resonant mode
controllers designed for off–line and dc–to–dc converter applications that
utilize frequency modulated constant on–time or constant off–time control.
These integrated circuits feature a variable frequency oscillator with
programmable deadtime, precision retriggerable one–shot timer,
temperature compensated reference, high gain wide–bandwidth error
amplifier with a precision output clamp, steering flip–flop, and dual high
current totem pole outputs ideally suited for driving power MOSFETs.
Also included are protective features consisting of a high speed fault
comparator and latch, programmable soft–start circuitry, input undervoltage
lockout with selectable thresholds, and reference undervoltage lockout.
These devices are available in dual–in–line and surface mount packages.
Variable Frequency Oscillator with a Control Range Exceeding 1000:1
Programmable Oscillator Deadtime Allows Constant Off–Time Operation
Precision Retriggerable One–Shot Timer
Internally Trimmed Bandgap Reference
5.0 MHz Error Amplifier with Precision Output Clamp
Dual High Current Totem Pole Outputs
Selectable Undervoltage Lockout Thresholds with Hysteresis
Enable Input
Programmable Soft–Start Circuitry
Low Startup Current for Off–Line Operation
Simplified Block Diagram
15
9
1
2
3
16
6
8
7
11
VCC
Enable/
UVLO Adjust
Osc
Deadtime
Osc RC
Osc Control
Current
One–Shot RC
Error Amp
Out
Error Amp +
Error Amp –
CSoft–Start
VCC UVLO
Reference
Regulator
Vref UVLO
Variable
Frequency
Oscillator
One–Shot
Error Amp
Clamp
Error
Amplifier
Soft–Start
Steering
Flip–Flop
Aout
Bout
Fault–Detector/
Latch
5
4
14
12
13
10
Vref
Gnd
Drive
Output A
Drive
Output B
Drive Gnd
Fault Input
Motorola, Inc. 1996
Rev 1
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| MC33066DW | HIGH PERFORMANCE RESONANT MODE CONTROLLERS |
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| MC34066P | Enhanced Product Single Voltage Detectors 5-SC70 -55 to 125 |
| MC33066 | HIGH PERFORMANCE RESONANT MODE CONTROLLERS |
| MC34066 | HIGH PERFORMANCE RESONANT MODE CONTROLLERS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC34066P | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:High Performance Resonant Mode Controllers |
| MC34067 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controllers |
| MC34067_05 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controllers |
| MC34067_09 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controllers |
| MC34067DW | 功能描述:DC/DC 開關控制器 High Performance RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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