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RT5021 데이터시트(PDF) 35 Page - Richtek Technology Corporation

부품명 RT5021
상세설명  Channels DC/DC PMU with Li-ion Battery Charger
PDF  67 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5021 데이터시트(HTML) 35 Page - Richtek Technology Corporation

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RT5021
35
DS5021-01 April 2013
www.richtek.com
Copyright
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
©
During On sequence period, EN going low would not take effect. After the sequence finish, EN state would be
re-checked and decide to keep on or start off sequence.
During Off sequence period, EN going high would not take effect. After the sequence finish, EN state would be
re-checked and decide to keep off or start on sequence.
External EN
VOUT3 (1.1V)
SEQ_Ready
VREF/IREF
/OSC/POR
VOUT4 (1.5V)
Latch SEQ
detection result
tR
4ms
tD
10ms
tD
10ms
VOUT1 (5V)
tR
4ms
VOUT6
Enabled in I
2
C
VOUT2 (3.3V)
VOUT5
Each Enabled in I
2
C
≈
≈
≈
≈
tR
4ms
≈
tD
10ms
≈
External EN
VOUT3 (1.1V)
SEQ_Ready
VREF/IREF/
OSC/POR
VOUT4 (1.5V)
Latch SEQ
detection result
tR
4ms
tD
10ms
tD
10ms
VOUT1 (5V)
tR
4ms
VOUT2 (3.3V)
Last channel discharge finish and then
reset SEQ detection result and issue
next time to re-detect SEQ
Latch SEQ
detection result
EN going low take
no effect during on
sequence period.
≈
≈
≈
≈
tR
4ms
≈
tD
10ms
≈
tR
4ms
≈
tD
10ms
≈
tR
4ms
≈
tD
10ms
≈
tR
4ms
≈
tD
10ms
≈



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