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參數(shù)資料
| 型號： | UPD78045H |
| 廠商： | NEC Corp. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 1 watt dc-dc converters |
| 中文描述： | 1瓦的DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 39/58頁 |
| 文件大?。?/td> | 552K |
| 代理商： | UPD78045H |
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39
μ
PD78044H, 78045H, 78046H
Manufacturer
Product name
Frequency
(MHz)
Recommended
circuit constant
Oscillator voltage range
Remark
C1 (pF)
C2 (pF)
MIN. (V)
MAX. (V)
Murata Mfg. Co., Ltd.
CSB1000J
1.00
100
100
2.7
5.5
Rd = 4.7 k
Note
CSA2.00MG040
2.00
100
100
2.7
5.5
CST2.00MG040
2.00
—
—
2.7
5.5
Built-in capacitor
CSA4.00MG
4.00
30
30
2.7
5.5
CST4.00MGW
4.00
—
—
2.7
5.5
Built-in capacitor
CSA5.00MG
5.00
30
30
2.7
5.5
CST5.00MGW
5.00
—
—
2.7
5.5
Built-in capacitor
TDK Corp.
CCR1000K2
1.00
150
150
2.7
5.5
Surface-mount type
CCR2.0MC3
2.00
—
—
2.7
5.5
Built-in capacitor,
surface-mount type
CCR4.0MC3
4.00
—
—
2.7
5.5
Built-in capacitor,
surface-mount type
FCR4.0MC5
4.00
—
—
2.7
5.5
Built-in capacitor
CCR5.0MC3
5.00
—
—
2.7
5.5
Built-in capacitor,
surface-mount type
FCR5.0MC5
5.00
—
—
2.7
5.5
Built-in capacitor
Matsushita Electronics
EFOEC2004A4
2.00
33
33
2.7
5.5
Built-in capacitor
Components Co., Ltd.
EFOS2004B5
2.00
33
33
2.7
5.5
Built-in capacitor,
surface-mount type
EFOEC3584A4
3.58
33
33
2.7
5.5
Built-in capacitor
EFOS3584B5
3.58
33
33
2.7
5.5
Built-in capacitor,
surface-mount type
EFOEC4004A4
4.00
33
33
2.7
5.5
Built-in capacitor
EFOS4004B5
4.00
33
33
2.7
5.5
Built-in capacitor,
surface-mount type
EFOEC5004A4
5.00
33
33
2.7
5.5
Built-in capacitor
EFOS5004B5
5.00
33
33
2.7
5.5
Built-in capacitor,
surface-mount type
RECOMMENDED OSCILLATOR CONSTANT
MAIN SYSTEM CLOCK: CERAMIC RESONATOR (T
A
= –40 to +85
°
C)
Note
When the CSB1000J (1.00 MHz) manufactured by Murata Mfg. is used, a limiting resistor (4.7 k
) is
necessary (see the figure in the next page). When one of other resonators is used, no limiting resistor is
required.
Caution The oscillation circuit constants and oscillation voltage range indicate conditions for stable
oscillation but do not guarantee accuracy of the oscillation frequency. If the application circuit
requires accuracy of the oscillation frequency, it is necessary to set the oscillation frequency
of the resonator in the application circuit. For this, it is necessary to directly contact the
manufacturer of the resonator that being used.
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