|
|
PDF R5520H Data sheet ( Hoja de datos )
| Número de pieza | R5520H | |
| Descripción | USB HIGH-SIDE POWER SWITCH | |
| Fabricantes | RICOH electronics | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de R5520H (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
|
No Preview Available !
www.DataSheet4U.com
5+ 6(5,(6
USB HIGH-SIDE POWER SWITCH
NO. EA-091-0204
DESCRIPTION
7KH 5+ LV &026EDVHG KLJKVLGH 026)(7 VZLWFK ,& IRU 8QLYHUVDO 6HULDO %XV 86% DSSOLFDWLRQV /RZ 21
5HVLVWDQFH 7\S PΩ DQG ORZ VXSSO\ FXUUHQW 7\S $ DW DFWLYH PRGH DUH UHDOL]HG LQ WKLV ,& $Q RYHUFXUUHQW
OLPLW FLUFXLW WKHUPDO VKXWGRZQ FLUFXLW DQG DQ XQGHU YROWDJH ORFNRXW FLUFXLW DUH EXLOWLQ DV SURWHFWLRQ FLUFXLWV )XUWKHU D
GHOD\ FLUFXLW IRU IODJ VLJQDO DIWHU GHWHFWLQJ RYHUFXUUHQW LV HPEHGGHG WR SUHYHQW PLVVRSHUDWLRQ RI HUURU IODJ EHFDXVH RI
LQUXVK FXUUHQW 7KH 5+ LV LGHDO IRU DSSOLFDWLRQV RI SURWHFWLRQ IRU 86% SRZHU VXSSO\
FEATURES
• %XLOWLQ PΩ 7\S 3FKDQQHO 026)(7 6ZLWFK
• /RZ 6XSSO\ &XUUHQW 7\S $ DW $FWLYH 0RGH
• 2XWSXW &XUUHQW 0LQ P$
• 2YHU &XUUHQW /LPLW 6KRUW &LUFXLW 3URWHFWLRQ
• 8QGHU 9ROWDJH /RFNRXW
• 7KHUPDO 6KXWGRZQ 3URWHFWLRQ
• 6RIWVWDUW )XQFWLRQ
• 627 SLQ 3DFNDJH
APPLICATIONS
• 86% 3HULSKHUDOV
• 1RWHERRN 3&V
1
1 page  
www.DataSheet4U.com
R5520H
OPERATION
7KLV H[SODQDWLRQ LV EDVHG RQ WKH W\SLFDO DSSOLFDWLRQ
7KHUH LV D SDUDVLWLF GLRGH EHWZHHQ VRXUFH DQG GUDLQ RI WKH VZLWFK WUDQVLVWRU 5HIHU WR WKH EORFN GLDJUDP %HFDXVH
RI WKLV LQ ERWK FDVHV RI HQDEOH DQG GLVDEOH LI WKH YROWDJH RI 287 SLQ LV KLJKHU WKDQ ,1 SLQ FXUUHQW IORZV IURP 287
WR ,1
,Q FDVH WKDW 287 SLQ DQG *1' LV VKRUW LI RYHUFXUUHQW ZRXOG FRQWLQXH WKH WHPSHUDWXUH RI WKH ,& ZRXOG LQFUHDVH
GUDVWLFDOO\ ,I WKH WHPSHUDWXUH RI WKH ,& LV EH\RQG & WKH VZLWFK WUDQVLVWRU WXUQV RII DQG WKH )/* SLQ OHYHO EH
FRPHV / 7KHQ ZKHQ WKH WHPSHUDWXUH RI WKH ,& GHFUHDVHV HTXDO RU ORZHU WKDQ & WKH VZLWFK WUDQVLVWRU WXUQV
RQ DQG )/* EHFRPHV + 8QOHVV WKH DEQRUPDO VLWXDWLRQ RI 287 SLQ LV UHPRYHG WKH VZLWFK WUDQVLVWRU UHSHDWV RQ
DQG RII 5HIHU WR WKH RYHUFXUUHQW SURWHFWLRQ RSHUDWLRQ LQ WKH W\SLFDO FKDUDFWHULVWLFV
2YHUFXUUHQW OHYHO LV VHW LQWHUQDOO\ LQ WKH ,& 7KHUH DUH WKUHH W\SHV RI UHVSRQVH DJDLQVW RYHUFXUUHQW ①8QGHU WKH
FRQGLWLRQ WKDW 287 SLQ LV VKRUW RU ODUJH FDSDFLW\ LV ORDGHG LI WKH ,& LV HQDEOHG WKH ,& EHFRPHV FRQVWDQW FXUUHQW
VWDWH $IWHU WKH IODJ GHOD\ WLPH SDVVHV )/* EHFRPHV / WKDW PHDQV RYHU FXUUHQW VWDWH 5HIHU WR WKH FXUUHQW
OLPLW WUDQVLHQW UHVSRQVH RI W\SLFDO FKDUDFWHULVWLFV ②:KLOH WKH VZLWFK WUDQVLVWRU LV RQ LI 287 SLQ LV VKRUW RU ODUJH
FDSDFLW\ LV ORDGHG XQWLO WKH FXUUHQW OLPLW FLUFXLW UHVSRQGV ODUJH WUDQVLHQW FXUUHQW IORZV $IWHU WKH WUDQVLHQW FXUUHQW
LV EH\RQG WKH RYHUFXUUHQW GHWHFWRU WKUHVKROG DQG GHOD\ WLPH RI WKH IODJ SDVVHV )/* EHFRPHV / WKDW PHDQV RYHU
FXUUHQW VWDWH 5HIHU WR WKH RYHUFXUUHQW OLPLW WUDQVLHQW UHVSRQVH RI W\SLFDO FKDUDFWHULVWLFV ③,Q WKH FDVH WKDW
ORDG FXUUHQW JUDGXDOO\ LQFUHDVHV WKH ,& LV QRW LQWR WKH FRQVWDQW FXUUHQW VWDWH XQWLO WKH FXUUHQW LV EH\RQG RYHU FXU
UHQW OLPLW 2QFH WKH OHYHO LV EH\RQG WKH RYHU FXUUHQW GHWHFWRU WKUHVKROG ORDG FXUUHQW LV OLPLWHG LQWR RYHU FXUUHQW
OLPLW OHYHO 1RWH WKDW ORDG FXUUHQW FRQWLQXRXVO\ IORZV XQWLO WKH ORDG FXUUHQW LV EH\RQG WKH RYHUFXUUHQW GHWHFWRU
WKUHVKROG
)/* SLQ LV 1FK 2SHQ GUDLQ RXWSXW ,I WKH RYHUFXUUHQW RU RYHUWHPSHUDWXUH LV GHWHFWHG )/* EHFRPHV / ,I RYHU
FXUUHQW LV GHWHFWHG )/* EHFRPHV / DIWHU WKH IODJ GHOD\ WLPH W)' SDVVHV 7KHUHIRUH IODJ VLJQDO LV QRW RXW ZLWK LQ
UXVK FXUUHQW
89/2 FLUFXLW SUHYHQWV WKDW WKH VZLWFK WUDQVLVWRU WXUQV RQ XQWLO WKH LQSXW YROWDJH LV EH\RQG 9 89/2 FLUFXLW FDQ
RSHUDWH ZKHQ WKH ,& LV HQDEOHG
5
5 Page 
www.DataSheet4U.com
13) Flag Output Delay Time vs. Temperature
20
18
16
14
12 VIN=4V
10 VIN=5.5V
8
6
4
-40 -20 0 20 40 60 80 100
Temperature Topt(°C)
15) UVLO Threshold vs. Temperature
2.7
2.6
2.5 VIN
2.4
2.3
2.2
VIN
2.1
2.0
1.9
-40 -20 0 20 40 60 80 100
Temperature Topt(°C)
16) UVLO at VIN increasing
R5520H
14) Flag Output Delay Time vs. Input Voltage
20
18
16
-40°C
14
12 25°C
10
8 85°C
6
4
2.5 3 3.5 4 4.5 5 5.5 6
VIN(V)
VEN=0V, CL=57µF, RL=35Ω
VIN
(1V/div)
VFLG
(1V/div)
VOUT
(2V/div)
IOUT
(100mA/div)
Time(5ms/div)
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet R5520H.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| R5520H | USB HIGH-SIDE POWER SWITCH | RICOH electronics |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |