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參數資料
| 型號： | MB3870PFV-G-BND |
| 廠商： | FUJITSU LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Pentium II DC/DC Converter IC |
| 中文描述： | 0.8 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | PLASTIC, SSOP-24 |
| 文件頁數： | 1/25頁 |
| 文件大?。?/td> | 238K |
| 代理商： | MB3870PFV-G-BND |
DS04-27218-4E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP For Power Supply Applications
Pentium
II DC/DC Converter IC
MB3870
I
DESCRIPTION
The FUJITSU MB3870 is a pulse width modulation (PWM) DC/DC converter IC chip that provides a selection of
1.3 V to 3.5 V output voltages for Pentium
* CPU’s, using a 5-bit input signal information.
The MB3870 utilizes synchronous rectification for high efficiency and features a soft-start/discharge control
function for ease in designing power supplies in multi-supply systems, making it ideal for Pentium
II power supply
systems.
* :Pentium is the registered trademark of Intel Corporation.
I
FEATURES
Highly efficient for using synchronous rectification scheme
On-chip soft-start/discharge control circuit
High precision output voltage:
±
1.2%
5-bit, 32-step DAC: 3.5 V to 2.1 V in 100 mV steps
2.05 V to 1.3 V in 50 mV steps
Frequency range: 100 kHz to 500 kHz using variable resistance (on-chip frequency setting capacitance)
Standby current: 0
μ
A TYP
On-chip PWRGOOD circuit for output voltage state detection
Timer-latch short-circuit protection circuit, and overvoltage protection circuit for output protection
I
PACKAGE
24-pin Plastic SSOP
(FPT-24P-M03)
相關PDF資料 |
PDF描述 |
|---|---|
| MB3871PFV-G-BND | Mobile Pentium II DC/DC Converter IC |
| MB3871 | Mobile Pentium II DC/DC Converter IC |
| MB3873 | Multi-Resonance AC/DC Converter IC |
| MB3873PF | Multi-Resonance AC/DC Converter IC |
| MB3874 | DC/DC Converter IC for Parallel Charging |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MB3871 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Mobile Pentium II DC/DC Converter IC |
| MB3871PFV-G-BND | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Mobile Pentium II DC/DC Converter IC |
| MB3873 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Multi-Resonance AC/DC Converter IC |
| MB3873PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Multi-Resonance AC/DC Converter IC |
| MB3874 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:DC/DC Converter IC for Parallel Charging |
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