RT9986 RICHTEK [Richtek Technology Corporation], RT9986 Datasheet - Page 10

• Manufacturer Part Number: RT9986
• Description: 7-CH DC/DC Converter for DSC
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9986
www.richtek.com
10
CH3 On Resistance
CH3 Current Limitation (Step-Down)
CH4 On Resistance
CH4 Current Limitation (Step-Down)
CH5 On Resistance
CH5 Current Limitation of
N-MOSFET
CH6 On Resistance of P-MOSFET
CH6 Current Limitation of
P-MOSFET
CH7 On Resistance
CH7 Current Limitation of
N-MOSFET
Protection
Over Voltage Protection of PVDD1
and PVDD2
Over Voltage Protection of PVDD5
Over Voltage Protection of VOUT6
Over Voltage Protection of PVDD7
(Step-Up Mode)
CH1, CH2 Step-Up Under Voltage
Protection of PVDD1 and PVDD2
CH1/2/3/4 Under Voltage Protection
CH5 Under Voltage Protection
CH6 Under Voltage Protection
CH1/2/3/4 Over Load Protection
CH5 Over Load Protection
CH6 Over Load Protection
Protection Fault Delay
Control
EN1234, EN56, EN7
Input Threshold Voltage Logic-Low
LX7 Input Threshold
Voltage
EN1234, EN56, EN7 Sink Current
EN7 Low Time for Shutdown
Parameter
P-MOSFET
N-MOSFET
P-MOSFET
N-MOSFET
P-MOSFET
N-MOSFET
P-MOSFET
N-MOSFET
Logic-High
Logic-High
Logic-Low
R
I
R
I
R
I
R
I
R
I
t
LIM3
LIM4
LIM5
LIM6
LIM7
SHDN
Symbol
DS(ON)3
DS(ON)4
DS(ON)5
DS(ON)6
DS(ON)7
V
V
V
V
V
V
V
V
At V
ends
At V
ends
At V
end
At V
(100ms)
At V
(100ms)
At V
delay (100ms)
High to Select Step-Up Mode
Low to Select CS Mode
PVDD3
PVDD3
PVDD4
PVDD4
PVDD5
PVDD5
PVDD7
PVDD7
FBx
FB5
FB6
FBx
FB5
FB6
Test Conditions
< 0.4V after soft-start
< 0.7V after fault delay
< 1.1V after fault delay
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 16V
= 3.3V
= 10V
= 3.3V
< 0.6V after soft-start
> 1.2V after soft-start
> 0.74V after fault
5.85
14.3
0.35
0.65
1.05
0.69
Min
1.2
1.2
0.9
0.6
0.5
1.1
1.3
20
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
1
1
−0.8V
V
0.74
0.25
Typ
300
300
300
300
−13
100
DS9986-00 May 2011
1.6
1.6
0.8
0.6
1.2
0.5
1.5
0.9
0.8
0.4
0.6
1.2
0.7
1.1
21
15
32
BAT
--
--
--
3
6
2
To be continued
Max
6.15
0.45
0.75
1.15
0.79
400
400
400
400
0.8
1.6
0.7
1.1
0.7
1.3
0.4
22
16
--
--
--
--
--
--
--
--
2
2
1
2
1
6
Unit
mΩ
mΩ
ms
ms
μA
Ω
Ω
Ω
A
A
A
A
A
V
V
V
V
V
V
V
V
V
V
V
V
V