參數(shù)資料
型號(hào)： MB3870
廠商： Fujitsu Limited
英文描述： TRANS PREBIASED NPN 200MW SOT23
中文描述： 奔騰II直流/直流轉(zhuǎn)換器集成電路
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 238K
代理商： MB3870
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(guān)PDF資料
PDF描述
MB3870PFV-G-BND Pentium II DC/DC Converter IC
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB3870PFV-G-BND 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Pentium II DC/DC Converter IC
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
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