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參數(shù)資料
| 型號(hào)： | NCP1395ADR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Performance Resonant Mode Controller |
| 中文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁(yè)數(shù)： | 17/27頁(yè) |
| 文件大小： | 345K |
| 代理商： | NCP1395ADR2G |
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NCP1395A/B
http://onsemi.com
17
The selection of the three setting resistors (Fmax, Fmin
and deadtime) requires the usage of the selection charts
displayed below:
Figure 37. Maximum switching frequency resistor
selection depending on the adopted minimum
switching frequency.
100
300
500
700
900
20
170
RFmax (k )
320
F
120
270
70
220
370
1100
Fmin = 200 kHz
Fmin = 50 kHz
V
CC
= 11 V
FB = 6.5 V
DT = 300 ns
Figure 38. Minimum Switching Frequency Resistor
Selection
40
60
80
100
120
20
80
F
RFmin (k )
60
120
40
100
140
V
CC
= 11 V
FB = 1 V
DT = 300 ns
160
180
200
Figure 39. DeadTime Resistor Selection
0
100
200
300
400
500
0
300
600
D
Rdt (k )
200
500
100
400
600
700
800
900
1000
1100
V
CC
= 11 V
ORing Capability
If for a particular reason, there is a need for having a
frequency variation linked to an event appearance (instead
of abruptly stopping pulses), then the FB pin lends itself
very well to the addition of other sweeping loops. Several
diodes can easily be used to perform the job in case of
reaction to a fault event or to regulate on the output current
(CC operation). Figure 40 shows how to do it.
V
CC
FB
In1
In2
20 k
VCO
Figure 40. Due to the FB configuration, loop ORing
is easy to implement.
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| NCP1395BPG | High Performance Resonant Mode Controller |
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| NCP1395B | High Performance Resonant Mode Controller(高性能諧振模式控制器) |
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| NCP1395APG | 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1395B | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controller |
| NCP1395BDR2G | 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1395BPG | 功能描述:電壓模式 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| NCP1395D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Performance Resonant Mode Controller |
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