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參數(shù)資料
| 型號： | CS51313 |
| 廠商： | ZF Electronics Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Micropower 5V, 100mA Low Dropout Linear Regulator |
| 中文描述： | 微5V的，100mA的低壓差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 248K |
| 代理商： | CS51313 |
6) Keep the inductor switching node small by placing the
output inductor, switching and synchronous FETs close
together.
7) The MOSFET gate traces to the IC must be as short,
straight, and wide as possible.
8) Use fewer, but larger output capacitors, keep the capaci-
tors clustered, and use multiple layer traces with heavy
copper to keep the parasitic resistance low.
9) Place the switching MOSFET as close to the +5V input
capacitors as possible.
10) Place the output capacitors as close to the load
as possible.
11) Place the V
FB
,V
OUT
filter resistors (510
) in series with
the V
FB
and V
OUT
pins as close as possible to the pins.
12) Place the C
OFF
and COMP capacitors as close as possi-
ble to the C
OFF
and COMP pins.
13) Place the current limit filter capacitor between the V
FB
and V
OUT
pins, as close as possible to the pins.
14) Connect the filter components of the following pins:
V
FB
, V
OUT
, C
OFF
, and COMP to the Gnd pin with a single
trace, and connect this local Gnd trace to the output capaci-
tor Gnd.
15) The “Droop” Resistor (embedded PCB trace) has to be
wide enough to carry the full load current.
16) Place the V
CC
bypass capacitor as close as possible to
the IC.
Application Information: continued
C
19
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