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參數(shù)資料
| 型號： | PS2815A3 |
| 英文描述： | DC-to-DC Voltage Converter |
| 中文描述： | 型DC - DC電壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 63K |
| 代理商： | PS2815A3 |
www.irf.com
5
AHE28XXS Series
Connecting the inhibit input (Pin 2) to input common (Pin 10)
will cause the converter to shut down. It is recommended
that the inhibit pin be driven by an open collector device
capable of sinking at least 400μA of current. The open cir-
cuit voltage of the inhibit input is 11.5 ±1 VDC.
AHE28XXS Block Diagram
Application Information
Inhibit Function
EMI Filter
An EMI filter (AFC461), available as an option, will reduce
the input ripple current to levels below the limits imposed by
MIL-STD-461B CEO.
Output Voltage Adjustment (AHE2805 only)
The output voltage of the AHE2805S converter can be
adjusted upward by connecting an appropriate resistor
between Output Adjust (Pin 3) and Output Common
(Pin 4) as shown in Table 1 below.
Table 1 Output adjustment resistor values
5
4
+Vout
Return
Pulse Width
Modulator
EMI
Filter
1
2
10
+Input
Enable
Input
Return
Error
Amp &
Ref
3
V
ADJ
FB
Drive 1
Drive 2
9
Sync
Resistance Pin 3 to 4 (
)
None
390K
145K
63K
22K
0
Output Voltage Increases (%)
0
+1%
+2%
+3%
+4%
+5%
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