參數(shù)資料
型號(hào): FSDL0365RNB
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Green Mode Fairchild Power Switch (FPS)
中文描述: 12 A SWITCHING REGULATOR, 55 kHz SWITCHING FREQ-MAX, PDIP8
封裝: MS-001BA, DIP-8
文件頁(yè)數(shù): 12/20頁(yè)
文件大?。?/td> 905K
代理商: FSDL0365RNB
FSDL0365RNB, FSDM0365RNB
12
8. Adjusting Peak Current Limit :
As shown in Figure 12,
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 12. Peak Current Limit Adjustment
For example, FSDx0365RNB has a typical Sense FET peak
current limit (I
LIM
) of 2.15A. I
LIM
can be adjusted to 1.5A
by inserting Rx between the Ipk pin and the ground. The
value of the Rx can be estimated by the following equations:
2.15A : 1.5A = 2.8k
: Xk
,
X = Rx || 2.8k
.
(X represents the resistance of the parallel network)
3
Vcc
Vcc
I
DELAY
I
FB
2k
Ω
Vfb
PWM
Comparator
4
Ipk
0.8k
Ω
Rx
SenseFET
Current
Sense
900uA
5uA
相關(guān)PDF資料
PDF描述
FSDM0365RNB Green Mode Fairchild Power Switch (FPS)
FSDM0365RL Green Mode Fairchild Power Switch (FPSTM)
FSDM0365RN Green Mode Fairchild Power Switch (FPSTM)
FSDL0365 Green Mode Fairchild Power Switch (FPSTM)
FSDL0365RL Green Mode Fairchild Power Switch (FPSTM)
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