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RT9971 Datasheet(PDF) 10 Page - Richtek Technology Corporation

Part # RT9971
Description  7 CH Power Management IC
PDF  22 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9971 Datasheet(HTML) 10 Page - Richtek Technology Corporation

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10
DS9971-01 April 2011
www.richtek.com
RT9971
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
CH6 On Resistance of MOSFET
P-MOSFET, PVDD6 = 3.3V
--
0.5
--
Ω
CH6 Current Limitation
P-MOSFET
--
1.5
--
A
CH7 On Resistance of MOSFET
N-MOSFET
--
1
--
Ω
CH7 Current Limitation
N-MOSFET
--
0.8
--
A
Protection
Over Voltage Protection of PVDD1
and PVDD2
6
6.25
6.5
V
Under Voltage Protection of VOUT1
--
1.75
--
V
Over Voltage Protection of SW5I
18
--
21
V
Over Voltage Protection of VOUT7
12
--
16
V
CH5 Load Disconnect UVP of SW5O
0.35
0.4
0.45
V
Under Voltage Protection of FB2
(Step-Down)
--
0.4
--
V
Under Voltage Protection of FB3
--
0.4
--
V
Under Voltage Protection of FB4
--
0.4
--
V
Under Voltage Protection of FB5
--
0.8
--
V
Under Voltage Protection of FB6
--
0.4
--
V
Protection Fault Delay
--
100
--
ms
Control
EN134, EN2, EN5, EN6, EN7 Input
High Level Threshold
1.3
--
--
V
EN134, EN2, EN5, EN6, EN7 Input
Low Level Threshold
--
--
0.4
V
EN134, EN2, EN5, EN6, EN7 Sink
Current
--
2
6
µA
SEL Input High Level Threshold
1.3
--
--
V
SEL Input Low Level Threshold
--
--
0.4
V
SEL Sink Current
SEL = 3.3V
--
2
6
µA
Thermal Protection
Thermal Shutdown
TSD
125
160
--
°C
Thermal Shutdown Hysteresis
ΔTSD
--
20
--
°C
RTC Reset
RTC_PWR Reset Threshold
1.57
1.6
1.63
V
Hysteresis
--
16
--
mV
Standby Current
RTC_PWR = 3V
--
2
4
µA
RTC_R Rising Delay Time
35
55
75
ms
RTC_R Sink Capability
RTC_R = 0.5V,
RTC_PWR = 1.5V
4
--
--
mA
To be continued



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