參數(shù)資料
型號(hào)： MC33023DW
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： High Speed Single-Ended PWM Controller
中文描述： 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, SO-16
文件頁(yè)數(shù)： 1/19頁(yè)
文件大?。?/td> 470K
代理商： MC33023DW
Order this document by MC34023/D
DW SUFFIX
PLASTIC PACKAGE
CASE 751G
(SO–16L)
P SUFFIX
PLASTIC PACKAGE
CASE 648
PIN CONNECTIONS
16
1
16
1
(Top View)
Device
Operating
Temperature Range
Package
ORDERING INFORMATION
MC33023DW
SO–16L
TA = –40
°
to +105
°
C
MC33023P
Plastic DIP
Error Amp
Noninverting Input
Error Amp Output
Soft–Start
Ramp
CT
RT
Clock
Error Amp
Inverting Input
Current Limit/
Shutdown
Current Limit
Reference
Ground
Power Ground
Output
VCC
Vref
11
5
2
1
9
10
12
13
14
15
16
8
7
6
4
3
VC
MC34023P
TA = 0
°
to +70
°
C
Plastic DIP
MOTOROLA ANALOG IC DEVICE DATA
The MC34023 series are high speed, fixed frequency, single–ended pulse
width modulator controllers optimized for high frequency operation. They are
specifically designed for Off–Line and DC–to–DC converter applications
offering the designer a cost–effective solution with minimal external
components. These integrated circuits feature an oscillator, a temperature
compensated reference, a wide bandwidth error amplifier, a high speed
current sensing comparator, and a high current totem pole output ideally
suited for driving a power MOSFET.
Also included are protective features consisting of input and reference
undervoltage lockouts each with hysteresis, cycle–by–cycle current limiting,
and a latch for single pulse metering.
The flexibility of this series allows it to be easily configured for either
current mode or voltage mode control.
50 ns Propagation Delay to Output
High Current Totem Pole Output
Wide Bandwidth Error Amplifier
Fully–Latched Logic with Double Pulse Suppression
Latching PWM for Cycle–By–Cycle Current Limiting
Soft–Start Control with Latched Overcurrent Reset
Input Undervoltage Lockout with Hysteresis
Low Start–Up Current (500
μ
A Typ)
Internally Trimmed Reference with Undervoltage Lockout
90% Maximum Duty Cycle (Externally Adjustable)
Precision Trimmed Oscillator
Voltage or Current Mode Operation to 1.0 MHz
Functionally Similar to the UC3823
Simplified Application
Error
Amp
Oscillator
16
Vref
Clock
RT
CT
Ramp
Error Amp
Output
Noninverting
Inverting
Input
Soft–Start
Soft–Start
Latching
PWM
Ground
10
9
Limit/
Shutdown
Power
Ground
VC
VCC
UVLO
5.1V
Reference
Current
Current
This device contains 176 active transistors.
Output
Input
4
5
6
7
3
2
1
8
15
13
14
11
12
Motorola, Inc. 1996
Rev 2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC33023DWG 功能描述:電流型 PWM 控制器 Single Ended Voltage or Current Mode PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC33023DWR2 功能描述:電流型 PWM 控制器 Single Ended Voltage RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC33023DWR2G 功能描述:電流型 PWM 控制器 Single Ended Voltage or Current Mode PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MC33023P 制造商:Motorola 功能描述:MOTOROLA S1I2F
MC33024 制造商:SPC Multicomp 功能描述:FINGER GUARD 制造商:SPC Multicomp 功能描述:FINGER GUARD; For Use With:127mm Axial Fans; Fan Size:127mm; Fixing Centers:113.3mm; Guard Material:Steel; Accessory Type:Finger Guard; Color:Chrome; External Depth:5.5mm; External Height:115.6mm; External Width:115.6mm ;RoHS Compliant: Yes
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