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參數(shù)資料
| 型號： | L4963D |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔離反激式開關(guān)穩(wěn)壓9V輸出 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大小： | 178K |
| 代理商： | L4963D |
PIN FUNCTIONS
SO20L
Power DIP
Name
Description
1
1
SIGNAL SUPPLY VOLTAGE
Must be Connected to pin 3
2
2
OUTPUT
Regulator output
3
3
SUPPLYVOLTAGE
Unregulated voltage input. An internal regulator
powers the internallogic.
4, 5, 6, 7
14, 15, 16, 17
4, 5, 6
13, 14, 15
GROUND
Common ground terminal
8
7
POWER FAILINPUT
Input of the power fail circuit. The threshold can be
modified introducing an external voltagedivider
between the Supply Voltage and GND.
9
8
POWER FAILOUTPUT
Open collector power fail signal output. This output
is high when the supply voltage is safe.
10
9
RESET DELAY
A capacitor connected between this terminal and
ground determines the reset signaldelay time.
11
10
RESET OUTPUT
Open collector reset signal output. This output is
high when the output voltage value is correct.
12
11
REFERENCE VOLTAGE
Reference voltage output.
13
12
FEEDBACK INPUT
Feedbackterminal of the regulation loop.
The output is connected directly to this terminal for
5.1V operation; it is connected via a divider for
higher voltages.
18
16
INHIBIT INPUT
TTLlevel remote inhibit. Alogic low level on this
input disables the device.
19
17
C OSCILLATOR
Oscillator waveform. Acapacitor connected
between this terminal and ground modifies the
maximum oscillator frequency.
20
18
R OSCILLATORFREQ.
A resistor connected between this terminal and
ground defines the maximum switching frequency.
THERMAL DATA
Symbol
Parameter
SO20
Powerdip
Unit
R
th j-pins
Thermal Resistance Junction to Pins
max.
15
12
°
C/W
R
th j-amb
Thermal Resistance Junction to Ambient (*)
max.
85
80
°
C/W
(*) See Fig.28
L4963 - L4963D
3/17
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L4963W | Isolated Flyback Switching Regulator with 9V Output |
| L4964 | Isolated Flyback Switching Regulator with 9V Output |
| L4964HT | Isolated Flyback Switching Regulator with 9V Output |
| L4971 | Isolated Flyback Switching Regulator with 9V Output |
| L4971D | Isolated Flyback Switching Regulator with 9V Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4963D013TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 36V 1.5 Amp RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L4963W | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 36V 1.5 Amp RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L4964 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 28V 4.0 Amp RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L4964_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH CURRENT SWITCHING REGULATOR |
| L4964HT | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 28V 4.0 Amp RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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