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參數(shù)資料
| 型號： | FSDH0265RL_NL |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 8 A SWITCHING REGULATOR, 108 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, SOP-8 |
| 文件頁數(shù)： | 4/23頁 |
| 文件大?。?/td> | 1073K |
| 代理商： | FSDH0265RL_NL |
FSDH0265RN, FSDM0265RN
12
Figure 11. KA5-series FPS Full Range EMI scan(67KHz,
no Frequency Modulation) with DVD Player SET
Figure 12. FSDX-series FPS Full Range EMI Scan (67KHz,
with Frequency Modulation) with DVD Player SET
8. Adjusting Peak Current Limit : As shown in Figure 13,
a combined 2.8k
internal resistance is connected to the
non-inverting lead on the PWM comparator. A external
resistance of Rx on the current limit pin forms a parallel
resistance with the 2.8k
when the internal diodes are
biased by the main current source of 900uA.
Figure 13. Peak Current Limit Adjustment
For example, FSDx0265RN has a typical Sense FET peak
current limit (ILIM) of 1.5A. ILIM can be adjusted to 1A by
inserting Rx between the Ipk pin and the ground. The value
of the Rx can be estimated by the following equations:
1.5A : 1A = 2.8k
: Xk ,
X = Rx || 2.8k
.
(X represents the resistance of the parallel network)
Frequency (MHz)
Amplitud
e(dB
V)
Frequency (MHz)
A
m
plitude
(dB
V)
3
Vcc
I
DELAY
I
FB
2kΩ
Vfb
PWM
Comparator
4
Ipk
0.8kΩ
Rx
SenseFET
Current
Sense
900uA
5uA
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| FSDH0265RLX | 功能描述:電源開關(guān) IC - 配電 SMPS PwrSwtch 100kHz 20W for DVDP/STB RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FSDH0265RN | 功能描述:電源開關(guān) IC - 配電 SMPS Power Switch 100kHz 20W for RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FSDH0265RN_05 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPSTM) |
| FSDH0270RNB | 功能描述:電源開關(guān) IC - 配電 FPS FOR DVDP/STB RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| FSDH0370RNB | 功能描述:電源開關(guān) IC - 配電 FPS FOR DVDP/STB RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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