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參數(shù)資料
| 型號： | MC44603AP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 24V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance |
| 中文描述： | SWITCHING CONTROLLER, 52 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 410K |
| 代理商： | MC44603AP |
1
Device
Operating
Temperature Range
Package
MIXED FREQUENCY MODE
GREENLINE PWM*
CONTROLLER:
ORDERING INFORMATION
MC44603AP
TA = –25
°
to +85
°
C
Plastic DIP–16
P SUFFIX
PLASTIC PACKAGE
CASE 648
16
1
16
15
14
13
12
11
10
9
2
3
4
5
6
7
8
(Top View)
VCC
VC
Output
Rref
RFrequency
Voltage Feedback
Input
Error Amp Output
Sync Input
PIN CONNECTIONS
Order this document by MC44603A/D
Gnd
Foldback Input
Overvoltage
Protection (OVP)
Current Sense Input
Demag Detection
RPower Standby
Soft–Start/Dmax/
CT
VARIABLE FREQUENCY,
FIXED FREQUENCY,
STANDBY MODE
* PWM = Pulse Width Modulation
MC44603ADW
SOP–16L
16
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751G
(SOP–16L)
1
Fixed Frequency, Variable Frequency,
Standby Mode
The MC44603A is an enhanced high performance controller that is
specifically designed for off–line and dc–to–dc converter applications. This
device has the unique ability of automatically changing operating modes if
the converter output is overloaded, unloaded, or shorted, offering the
designer additional protection for increased system reliability. The
MC44603A has several distinguishing features when compared to
conventional SMPS controllers. These features consist of a foldback facility
for overload protection, a standby mode when the converter output is slightly
loaded, a demagnetization detection for reduced switching stresses on
transistor and diodes, and a high current totem pole output ideally suited for
driving a power MOSFET. It can also be used for driving a bipolar transistor
in low power converters (< 150 W). It is optimized to operate in
discontinuous mode but can also operate in continuous mode. Its advanced
design allows use in current mode or voltage mode control applications.
Current or Voltage Mode Controller
Operation up to 250 kHz Output Switching Frequency
Inherent Feed Forward Compensation
Latching PWM for Cycle–by–Cycle Current Limiting
Oscillator with Precise Frequency Control
High Flexibility
Externally Programmable Reference Current
Secondary or Primary Sensing
Synchronization Facility
High Current Totem Pole Output
Undervoltage Lockout with Hysteresis
Safety/Protection Features
Overvoltage Protection Against Open Current and Open Voltage Loop
Protection Against Short Circuit on Oscillator Pin
Fully Programmable Foldback
Soft–Start Feature
Accurate Maximum Duty Cycle Setting
Demagnetization (Zero Current Detection) Protection
Internally Trimmed Reference
Enhanced Output Drive
GreenLine Controller: Low Power Consumption in Standby Mode
Low Startup and Operating Current
Fully Programmable Standby Mode
Controlled Frequency Reduction in Standby Mode
Low dV/dT for Low EMI Radiations
GreenLine is a trademark of Motorola, Inc.
This document contains information on a new product. Specifications and information herein
are subject to change without notice.
Motorola, Inc. 1997
Rev 0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC44603DW | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 24V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance |
| MC44603P | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 3.3V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance |
| MC44604P | HIGH SAFETY STANDBY LADDER MODE GREENLINE PWM CONTROLLER |
| MC44605P | HIGH SAFETY LATCHED MODE GREENLINE PWM CONTROLLER FOR (MULTI)SYNCHRONIZED APPLICATIONS |
| MC44722FT | NTSC Digital Video Encoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC44603APG | 功能描述:電流型 PWM 控制器 Voltage/Current PWM w/Bust Mode Standby 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 |
| MC44603DW | 功能描述:電流型 PWM 控制器 Voltage/Current 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 |
| MC44603DWR2 | 功能描述:電流型 PWM 控制器 Voltage/Current 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 |
| MC44603DWR2G | 功能描述:電流型 PWM 控制器 Voltage/Current PWM w/Bust Mode Standby 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 |
| MC44603P | 功能描述:電流型 PWM 控制器 Voltage/Current 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 |
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