參數(shù)資料
型號(hào)： FSDH321L
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Green Mode Fairchild Power Switch (FPS TM)
中文描述： 1.5 A SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PDSO8
封裝： SOP-8
文件頁數(shù)： 13/20頁
文件大?。?/td> 479K
代理商： FSDH321L
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
相關(guān)PDF資料
PDF描述
FSDL0165RL Green Mode Fairchild Power Switch (FPSTM)
FSDL0165RN Green Mode Fairchild Power Switch (FPSTM)
FSDL321 Green Mode Fairchild Power Switch (FPSTM)
FSDL321L Green Mode Fairchild Power Switch (FPS TM)
FSDH0565 Green Mode Fairchild Power Switch (FPSTM)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FSDH321LX 制造商:Fairchild Semiconductor Corporation 功能描述:Power Switch 2A 8-Pin LSOP
FSDH321Z 功能描述:IC SWIT PWM GREEN CM OVP HV 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR
FSDH565 功能描述:電源開關(guān) IC - 配電 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(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
FSDH565B 功能描述:電源開關(guān) IC - 配電 FPS FOR CHARGER 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(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
FSDK07D9601 制造商:Baumer Electric Ag 功能描述:
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