Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

Preview PDF HTML

RT5021 Fiches technique(PDF) 65 Page - Richtek Technology Corporation

No de pièce RT5021
Description  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  RICHTEK [Richtek Technology Corporation]
Site Internet  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 Fiches technique(HTML) 65 Page - Richtek Technology Corporation

Back Button RT5021 Datasheet HTML 59Page - Richtek Technology Corporation RT5021 Datasheet HTML 60Page - Richtek Technology Corporation RT5021 Datasheet HTML 61Page - Richtek Technology Corporation RT5021 Datasheet HTML 62Page - Richtek Technology Corporation RT5021 Datasheet HTML 63Page - Richtek Technology Corporation RT5021 Datasheet HTML 64Page - Richtek Technology Corporation RT5021 Datasheet HTML 65Page - Richtek Technology Corporation RT5021 Datasheet HTML 66Page - Richtek Technology Corporation RT5021 Datasheet HTML 67Page - Richtek Technology Corporation  
Zoom Inzoom in Zoom Outzoom out
 65 / 67 page
background image
RT5021
65
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
Protection
Type
Threshold (Typical) Refer
to Electrical Spec.
Protection
Methods
PMU
Shutdown
Delay
Time
Reset Method
SYS
UVLO
SYS < 1.5V
PMU Shutdown.
No-delay
EN1234 pin set to low
or SYS > 2.1V
OVP
VDDM > 6V
Automatic reset at
VDDM < 5.85V
100ms
VDDI power reset or
EN1234 pin set to low
VDDI
UVLO
VDDM < 2.4V
PMU Shutdown.
No-delay
VDDI power reset or
EN1234 pin set to low
Current Limit
N-MOSFET
peak current > 3A
N-MOSFET off,
P-MOSFET off.
Automatic reset at
next clock cycle.
100ms
VDDI power reset or
EN1234 pin set to low
PVD1 OVP
PVDD1 > 6V
N-MOSFET off,
P-MOSFET off.
No-delay
VDDI power reset or
EN1234 pin set to low
PVD1 UVP --1
PVDD1 < (VSYS
− 0.8V) or
PVDD1 < 1.28V after
soft-start end.
N-MOSFET off,
P-MOSFET off.
100ms
VDDI power reset or
EN1234 pin set to low
PVD1 UVP --2
After pre-charge (PVD1
UVP-2 : FB1 < 0.4V after
pre-charge)
N-MOSFET off,
P-MOSFET off
No-delay
VDDI power reset or
EN1234 pin set to low
CH1 Step-Up
PVD1 Over
Load (OL)
Target
− 0.6V Target
Voltage is defined in
A4.VOUT1 [3:0]
PMU Shutdown
when OL occur
each cycle until
100ms.
100ms
VDDI power reset or
EN1234 pin set to low
Current limit
Both P-MOSFET
(PVD2
− LX2A) and
N-MOSFET (LX2B
− GND)
peak current > 2A
N-MOSFET off,
P-MOSFET off.
Automatic reset at
next clock cycle.
100ms
VDDI power reset or
EN1234 pin set to low
VO2 OVP
PVDD1 > 6V
N-MOSFET off,
P-MOSFET off.
No-delay
VDDI power reset or
EN1234 pin set to low
FB2 UVP
FB2 < 0.4V after soft-start
end.
N-MOSFET off,
P-MOSFET off.
No-delay
VDDI power reset or
EN1234 pin set to low
CH2
Step-Up/Down
FB2 Over
Load
Target
− 0.1V (Target
voltage is the chosen one
in A4.FB2 [2:0])
PMU Shutdown
when OL occur
each cycle until
100ms.
100ms
VDDI power reset or
EN1234 pin set to low
Current limit
P-MOSFET
peak current > 1.8A
N-MOSFET off,
P-MOSFET off.
Automatic reset at
next clock cycle.
100ms
VDDI power reset or
EN1234 pin set to low
FB3 UVP
FB3 < 0.4V after soft-start
end.
N-MOSFET off,
P-MOSFET off.
No-delay
VDDI power reset or
EN1234 pin set to low
CH3
Step-Down
FB3 Over
Load
Target
− 0.1V (Target
voltage is the chosen one
in A5.FB3 [2:0])
PMU Shutdown
when OL occur
each cycle until
100ms.
100ms
VDDI power reset or
EN1234 pin set to low



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 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67


Fiches technique Télécharger

Go To PDF Page


Lien URL



ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Lien vers la fiche technique    |   Echange de liens   |   Fabricants
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