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參數(shù)資料
| 型號： | MB3785A |
| 廠商： | Fujitsu Limited |
| 英文描述： | Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| 中文描述： | 開關(guān)穩(wěn)壓器控制器（4通道加高精度，高頻率功能） |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 293K |
| 代理商： | MB3785A |
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DS04-27208-1E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP
BIPOLAR
Switching Regulator Controller
(4 Channels plus High-Precision, High-Frequency Capabilities
)
MB3785A
I
DESCRIPTION
The MB3785A is a PWM-based 4-channel switching regulator controller featuring high-precision, high-frequency
capabilities. All of the four channels of circuits allow their outputs to be set in three modes: step-down, step-up, and
inverted. The third and fourth channels are suited for DC motor speed control.
The triangular-wave oscillation circuit accepts a ceramic resonator, in addition to the standard method of oscillation
using an RC network.
I
FEATURES
Wide range of operating power supply voltages: 4.5 V to 18 V
Low current consumption: 6 mA [TYP] when operating10
μ
A or less during standby
Built-in high-precision reference voltage generator: 2.50 V±1%
Oscillation circuit
- Capable of high-frequency oscillation: 100 kHz to 1 MHz
- Also accepts a ceramic resonator.
Wide input range of error amplifier: –0.2 V to V
CC
–1.8 V
Built-in timer/latch-actuated short-circuiting detection circuit
(Continued)
I
PACKAGE
48-pin, Plastic LQFP
(FPT-48P-M05)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB3785A_03 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
| MB3785APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities) |
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| MB3789 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller (Supporting External Synchronization) |
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