參數(shù)資料
型號(hào)： FSDL0165RN
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Green Mode Fairchild Power Switch (FPSTM)
中文描述： 4 A SWITCHING REGULATOR, 55 kHz SWITCHING FREQ-MAX, PDIP8
封裝： DIP-8
文件頁(yè)數(shù)： 13/20頁(yè)
文件大?。?/td> 479K
代理商： FSDL0165RN
FSDL0165RN
13
Figure 12. KA5-series FPS
TM
Full Range EMI scan(67KHz,
no Frequency Modulation) with DVD Player SET
Figure 13. FSDX-series FPS
TM
Full Range EMI Scan
(67KHz, with Frequency Modulation) with DVD Player SET
8. Adjusting Current limit function:
As shown in fig
14, a
combined 2.8K
internal resistance is connected into the
non-inverting lead on the PWM comparator. A external
resistance of Y on the current limit pin forms a parallel resis-
tance with the 2.8K
when the internal diodes are biased by
the main current source of 900uA.
Figure 14. Peak current adjustment
For example, FSDx0265RN has a typical Sense FET
current
limit (I
OVER
) of 2.15A. The Sense FET current
can be limited to
1A by inserting a 2.8k
between the current limit pin and
ground which is derived from the following equations:
2.15: 1 = 2.8K
: XK
,
X = 1.3K
,
Since X represents the resistance of the parallel network, Y
can be calculated using the following equation:
Y = X / (1 - (X/2.8K
))
Frequency (MHz)
A
μ
V
CISPR2QB
CISPR2AB
Frequency (MHz)
A
μ
V
CISPR2QB
CISPR2AB
3
4
PWM
comparator
SenseFET
Sense
K
2
K
8
AK
900uA
5uA
Rsense
Feed
Back
Current
Limit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FSDL0365 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPSTM)
FSDL0365RL 功能描述:電源開(kāi)關(guān) IC - 配電 POWER_CONVERSION RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)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
FSDL0365RN 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPS TM)
FSDL0365RN_05 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPSTM)
FSDL0365RNB 功能描述:電源開(kāi)關(guān) IC - 配電 SMPS Power Switch Built-in Soft Start RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)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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