Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

Preview PDF HTML

RT9986A Folha de dados(PDF) 22 Page - Richtek Technology Corporation

Nome de Peças RT9986A
Descrição Electrónicos  7-CH DC/DC Converter for DSC
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  RICHTEK [Richtek Technology Corporation]
Página de início  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9986A Folha de dados(HTML) 22 Page - Richtek Technology Corporation

Back Button RT9986A Datasheet HTML 16Page - Richtek Technology Corporation RT9986A Datasheet HTML 17Page - Richtek Technology Corporation RT9986A Datasheet HTML 18Page - Richtek Technology Corporation RT9986A Datasheet HTML 19Page - Richtek Technology Corporation RT9986A Datasheet HTML 20Page - Richtek Technology Corporation RT9986A Datasheet HTML 21Page - Richtek Technology Corporation RT9986A Datasheet HTML 22Page - Richtek Technology Corporation RT9986A Datasheet HTML 23Page - Richtek Technology Corporation RT9986A Datasheet HTML 24Page - Richtek Technology Corporation  
Zoom Inzoom in Zoom Outzoom out
 22 / 24 page
background image
22
DS9986A-00 May 2011
www.richtek.com
RT9986A
Table 2. Protection Items
Protection
type
Threshold (typical)
Refer to Electrical
spec
Protection methods
IC
Shutdown
Delay time
Reset method
BAT
UVLO
BAT < 1.3V
IC Shutdown.
No-delay
VDDM power reset
or all enable pins
set to low
OVP
VDDM > 6V
Automatic reset at VDDM <
5.75V
100ms
VDDM power reset
or all enable pins
set to low
VDDM
UVLO
VDDM < 2.4V
IC Shutdown.
No-delay
VDDM power
reset or all enable
pins set to low
Current
Limit
N-MOSFET
Current > 3A
N-MOSFET off, P-MOSFET off.
Automatic reset at next clock
cycle.
100ms
VDDM power reset
or all enable pins
set to low
PVDD1
OVP
PVDD1 > 6V
N-MOSFET off, P-MOSFET off.
No-delay
VDDM power reset
or all enable pins
set to low
PVDD1
UVP
PVDD1 < (BAT
− 0.8V)
or PVDD1 < 1.28V after
soft-start end.
N-MOSFET off, P-MOSFET off.
100ms
VDDM power reset
or all enable pins
set to low
FB1 UVP
FB1
< 0.4V after
soft-start end.
N-MOSFET off, P-MOSFET off.
No-delay
VDDM power reset
or all enable pins
set to low
CH1
Step-Up
FB1 Over
Load (OL)
FB1
< 0.7V
IC Shutdown when OL occur
each cycle until 100ms.
100ms
VDDM power reset
or all enable pins
set to low
Current
Limit
N-MOSFET Current >
3A
N-MOSFET off, P-MOSFET off.
Automatic reset at next clock
cycle.
100ms
VDDM power reset
or all enable pins
set to low
PVDD2
OVP
PVDD2 > 6V
N-MOSFET off, P-MOSFET off.
No-delay
VDDM power reset
or all enable pins
set to low
PVDD2
UVP
PVDD2 < (BAT
− 0.8V)
or PVDD2 < 1.28V after
soft-start end.
N-MOSFET off, P-MOSFET off.
100ms
VDDM power reset
or all enable pins
set to low
FB2 UVP
FB2
< 0.4V after
soft-start end.
N-MOSFET off, P-MOSFET off.
No-delay
VDDM power reset
or all enable pins
set to low
CH2
Step-Up
FB2 Over
Load
FB2
< 0.7V
IC Shutdown when OL occur
each cycle until 100ms.
100ms
VDDM power reset
or all enable pins
set to low
Current
Limit
P-MOSFET
Current > 1.6A
N-MOSFET off, P-MOSFET off.
Automatic reset at next clock
cycle.
100ms
VDDM power reset
or all enable pins
set to low
FB2 UVP
FB2
< 0.4V after
soft-start end.
N-MOSFET off, P-MOSFET off.
No-delay
VDDM power reset
or all enable pins
set to low
CH2
Step-Down
FB2 Over
Load
FB2 < 0.7V
IC Shutdown when OL occur
each cycle until 100ms.
100ms
VDDM power reset
or all enable pins
set to low
To be continued



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24


Folha de dados Download

Go To PDF Page


Ligação URL



ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   Link para a ficha técnica    |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com