RT9911PQV RICHTEK [Richtek Technology Corporation], RT9911PQV Datasheet - Page 10

• Manufacturer Part Number: RT9911PQV
• Description: 6 Channel DC/DC Converters
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9911
www.richtek.com
10
Operation Frequency
CH1 Maximum Duty Cycle (Boost)
CH1 Maximum Duty Cycle (Buck)
CH2 Maximum Duty Cycle
CH3 Maximum Duty Cycle
CH4 Maximum Duty Cycle
CH5 Maximum Duty Cycle
CH6 Maximum Duty Cycle
Feedback Regulation Voltage @ FB1,
FB2, FB3
Feedback Regulation Voltage @FB4
Feedback Regulation Voltage @ FB5
Feedback Regulation Voltage @ VFB6 V
Feedback Regulation Voltage @ CFB6 V
VREF Output Voltage
VREF Load Regulation
GM (CH1, CH2, CH3, CH4, CH5, CH6)
Compensation Source Current (CH1,
CH2, CH3, CH4, CH5, CH6)
Compensation Sink Current (CH1, CH2,
CH3, CH4, CH5, CH6)
CH1 On Resistance of MOSFET
CH1 Switch Current Limitation (Buck)
CH1 Switch Current Limitation (Boost)
CH2 On Resistance of MOSFET
CH2 Switch Current Limitation
CH3 On Resistance of DRN3
CH3 On Resistance of DRP3
CH4 On Resistance of MOSFET
Feedback Regulation Voltage
Reference
Error Amplifier
Oscillator
Power Switch
Parameter
f
D
D
D
D
D
D
D
V
V
V
V
R
R
R
R
R
R
R
R
R
R
OSC
FB1, 2,3
FB4
FB5
VFB6
CFB6
REF
MAX1
MAX1
MAX2
MAX3
MAX4
MAX5
MAX6
DS(ON)P1
DS(ON)N1
DS(ON)P2
DS(ON)N2
DS(ON)NP3
DS(ON)NN3
DS(ON)PP3
DS(ON)PN3
DS(ON)P4
DS(ON)N4
Symbol
SELECT=0
SELECT=1
RT Open
SELECT = 3.3V, V
SELECT = 0V, V
V
V
V
V
V
0uA < I
P-MOSFET, PV
N-MOSFET, PV
P-MOSFET, PV
N-MOSFET, PV
P-MOSFET, PV
N-MOSFET, PV
P-MOSFET, PV
N-MOSFET, PV
P-MOSFET, PV
N-MOSFET, PV
FB2
FB3
FB4
FB5
CFB6
= 0.7V
= 0.7V
= 0.9V
= 0.1V
Test Conditions
= 0.18V, V
REF
< 100uA
DD1
DD2
DD3
DD3
DD3
DD1
DD2
DD3
DD3
DD3
FB1
FB6
FB1
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 3.3V
= 0.7V
= 0.9V
= 0.7V
0.788
0.984
0.98
0.18
Min
450
100
100
−15
1.3
1.3
80
75
90
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
2
DS9911-04 August 2007
Typ
550
200
200
300
300
0.2
2.5
0.8
0.2
85
80
94
22
22
--
--
--
--
1
1
1
2
2
6
6
6
6
6
6
To be continued
0.812
1.016
Max
1.02
0.22
650
+15
300
300
450
450
90
90
98
10
15
15
15
15
15
15
--
--
--
--
--
--
4
4
4
Units
kHz
mΩ
mΩ
mΩ
mΩ
mV
mV
ms
uA
uA
%
%
%
%
%
Ω
Ω
Ω
Ω
Ω
Ω
V
V
V
V
A
A
A
V