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参数资料
| 型号： | MC44602P2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 稳压器 |
| 英文描述： | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 12V; 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： | 1.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 14/18页 |
| 文件大小： | 332K |
| 代理商： | MC44602P2 |
MC44602
14
MOTOROLA ANALOG IC DEVICE DATA
PIN FUNCTION DESCRIPTION
Pin
Function
Description
1
Compensation
This pin is the Error Amplifier output and is made available for loop compensation.
2
Load Detect Input
A voltage indicating a severe overload or short circuit condition at any output of the
switching power supply is connected to this input. The Oscillator is controlled by this
information making the power supply short circuit proof.
3
Voltage Feedback Input
This is the inverting input of the Error Amplifier and the noninverting input of the
Foldback Amplifier. It is normally connected to the switching power supply output
through a resistor divider.
4, 5, 12, 13
Sink Ground
The Sink Ground pins form a single power return that is typically connected back to the
power source on a separate path from Pin 9 Ground, to reduce the effects of switching
transient noise on the control circuitry. These pins can be used to enhance the package
power capabilities (Figure 14). The Sink Output low state (VOL) can be modified by
applying a negative voltage to these pins with respect to Ground (Pin 9) to optimize
turn–off of a bipolar junction transistor.
6
Current Sense Input
A voltage proportional to inductor current is connected to this input. The PWM uses this
information to terminate conduction of the output switch transistor.
7
Sync Input
A narrow rectangular waveform applied to this input will synchronize the Oscillator. A dc
voltage within the range of 3.2 V to 5.5 V will inhibit the Oscillator.
8
RT/CT
The Oscillator frequency and maximum Output duty cycle are programmed at this pin by
connecting resistor RT to Vref and capacitor CT to ground.
9
Ground
This pin is the control circuitry ground and is typically connected back to the power
source on a separate path from the Sink Ground (Pins 4, 5, 12, 13).
10
Sink Output
Peak currents up to 1.5 A are sunk by this output suiting it ideally for turning–off a bipolar
junction transistor. The output switches at one–half the oscillator frequency.
11
Source Output
Peak currents up to 1.0 A are sourced by this output suiting it ideally for turning–on a
bipolar junction transistor. The output switches at one–half the oscillator frequency.
14
VC
The Output high state (VOH) is set by the voltage applied to this pin. With a separate
connection to the power source, it can reduce the effects of switching transient noise on
the control circuitry.
15
VCC
This pin is the positive supply of the control IC. The minimum operating voltage range
after startup is 11 V to 18 V.
16
Vref
This is the 5.0 V reference output. It provides charging current for capacitor CT through
resistor RT and can be used to bias any additional system circuitry.
相关PDF资料 |
PDF描述 |
|---|---|
| MC44603ADW | RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 15V; 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 |
| MC44603 | MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER |
| MC44603DW | MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER |
| MC44603P | MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER |
| MC44603AP | 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MC44603 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER |
| MC44603A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER |
| MC44603A_05 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Enhanced Mixed Frequency Mode GreenLine TM PWM Controller:Fixed Frequency, Variable Frequency,Standby Mode |
| MC44603ADW | 功能描述:电流型 PWM 控制器 Voltage/Current PWM RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MC44603ADWG | 功能描述:电流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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