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RT9986A Folha de dados(PDF) 10 Page - Richtek Technology Corporation

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

RT9986A Folha de dados(HTML) 10 Page - Richtek Technology Corporation

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DS9986A-00 May 2011
www.richtek.com
RT9986A
To be continued
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
P-MOSFET
VPVDD3 = 3.3V
--
300
400
CH3 On Resistance
N-MOSFET
RDS(ON)3
VPVDD3 = 3.3V
--
300
400
m
Ω
CH3 Current Limitation (Step-Down)
ILIM3
1.2
1.6
2
A
P-MOSFET
VPVDD4 = 3.3V
--
300
400
CH4 On Resistance
N-MOSFET
RDS(ON)4
VPVDD4 = 3.3V
--
300
400
m
Ω
CH4 Current Limitation (Step-Down)
ILIM4
1.2
1.6
2
A
P-MOSFET
VPVDD5 = 16V
--
0.8
1
CH5 On Resistance
N-MOSFET
RDS(ON)5
VPVDD5 = 3.3V
--
0.6
0.8
Ω
CH5 Current Limitation of
N-MOSFET
ILIM5
0.9
1.2
1.6
A
CH6 On Resistance of P-MOSFET
RDS(ON)6
--
0.5
0.7
Ω
CH6 Current Limitation of
P-MOSFET
ILIM6
1
1.5
2
A
P-MOSFET
VPVDD7 = 10V
--
3
--
CH7 On Resistance
N-MOSFET
RDS(ON)7
VPVDD7 = 3.3V
--
0.9
1.1
Ω
CH7 Current Limitation of
N-MOSFET
ILIM7
0.6
0.8
1
A
Protection
Over Voltage Protection of PVDD1
and PVDD2
5.85
6
6.15
V
Over Voltage Protection of PVDD5
20
21
22
V
Over Voltage Protection of VOUT6
--
−13
--
V
Over Voltage Protection of PVDD7
(Step-Up Mode)
14.3
15
16
V
CH1, CH2 Step-Up Under Voltage
Protection of PVDD1 and PVDD2
--
VBAT
−0.8V
--
V
CH1/2/3/4 Under Voltage Protection
At VFBx < 0.4V after soft-start
ends
0.35
0.4
0.45
V
CH5 Under Voltage Protection
At VFB5 < 0.6V after soft-start
ends
0.5
0.6
0.7
V
CH6 Under Voltage Protection
At VFB6 > 1.2V after soft-start
end
1.1
1.2
1.3
V
CH1/2/3/4 Over Load Protection
At VFBx < 0.7V after fault delay
(100ms)
0.65
0.7
0.75
V
CH5 Over Load Protection
At VFB5 < 1.1V after fault delay
(100ms)
1.05
1.1
1.15
V
CH6 Over Load Protection
At VFB6 > 0.74V after fault
delay (100ms)
0.69
0.74
0.79
V
Protection Fault Delay
--
100
--
ms
Control
Logic-High
1.3
--
--
EN1234, EN56, EN7
Input Threshold Voltage Logic-Low
--
--
0.4
V
Logic-High
High to Select Step-Up Mode
1
--
--
LX7 Input Threshold
Voltage
Logic-Low
Low to Select CS Mode
--
0.25
--
V
EN1234, EN56, EN7 Sink Current
--
2
6
μA
EN7 Low Time for Shutdown
tSHDN
--
32
--
ms



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