參數(shù)資料
型號: MB3893APFV
廠商: FUJITSU LTD
元件分類: 電源管理
英文描述: Bridge Rectifier; Current Rating:260A; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48
封裝: PLASTIC, LQFP-48
文件頁數(shù): 28/44頁
文件大?。?/td> 496K
代理商: MB3893APFV
MB3893A
28
I
POWER SUPPLY CONTROL UNIT TIMING CHART
1. Power Supply Drop Detection 1
As Figure 1 shows, there is a “don’t care zone” where VCC voltage is below 2 V. When VCC voltage is above
VCCE voltage (2.75 V (Typ.)), the VCONT terminal (pin 16) goes to “H” level, and after a delay time (t
R
) the
OUT1 terminal (pin 29), the OUT2 terminal (pin 30), and the OUT4 terminal (pin 22) output their regulated
voltages. When VCC voltage falls below VCCD voltage (2.50 V (Typ.)), a power supply drop detection is deter-
mined and the VCONT terminal goes to “L” level, and therefore the OUT1, OUT2, and OUT4 terminals also go
to “L” level. If the VCC voltage rises again before falling below 2 V, the OUT1, OUT2, and OUT4 terminals will
once again output their regulated voltages once VCC exceeds the VCCR voltage (3.50 V (Typ.))
V
CC
VDET
VCONT
OUT1,
OUT2,
OUT4
VCCR
VCCE
VCCD
2.0 V
1
0 V
t
R
2
t
R
2
: Don't care zone
: Out of regulation
3.1 V
*1: Initial cutoff determination level
*2: t
R1
< t
R
< t
R2
(IC internal)
Figure 1. Power Supply Cutoff Sensor 1
相關(guān)PDF資料
PDF描述
MB39A108 5-Channel DC/DC Converter IC with Synchronous Rectification
MB3S 0.5 Ampere Glass Passivated Bridge Rectifiers
MB7S 0.5 Ampere Glass Passivated Bridge Rectifiers
MB5S 0.5 Ampere Glass Passivated Bridge Rectifiers
MB40528 1 Channel 8-bit A/D Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB38R-1404PY-191 制造商:Amphenol Corporation 功能描述:CONN WITH B/S - Bulk
MB38R-1415S 制造商:Amphenol Corporation 功能描述:CONN MIL-C-83723 CIRC SKT 15 POS CRMP ST CBL MNT 15TERM - Bulk
MB38R-2041S-190 制造商:Amphenol Corporation 功能描述:CONN MIL-C-83723 CIRC SKT 41 POS CRMP ST CBL MNT 41TERM - Bulk
MB38R-2041S8 制造商:Amphenol Corporation 功能描述:MB38R-2041S8 - Bulk
MB38R24-29S7 制造商:Amphenol Corporation 功能描述:M83723 29C 29#16 SKT PLUG 制造商:Matrix Connector 功能描述:M83723 29C 29#16 SKT PLUG