RT5035A/B
Parameter
CH3 Maximum Duty Cycle
(Step-Down)
CH4 Maximum Duty Cycle
(Step-Down)
CH5 Maximum Duty Cycle
(Step-Down)
CH7 Maximum Duty Cycle
(WLED)
CH10 Maximum Duty Cycle
(Step-Down)
Feedback and Output Regulation Voltage
VOUT1 Accuracy
VOUT2, 3, 10 Accuracy
VOUT4 Accuracy
A1.VOUT1 = 0 to 7
A1.VOUT1 = 8 to 15
The VOUTx typical values are
listed next.
A2.VOUT4 = 0 to 3 (near 1.8V)
A2.VOUT4 = 4 to 7 (near 1.5V)
A2.VOUT5 = 0 to 3
A2.VOUT5 = 4 to 7
A3.VOUT6 = 0 to 8
A3.VOUT6 = 9 to 15
A4.VOUT8 = 0 to 3
A4.VOUT8 = 4 to 7
1.5
2
1.5
1.5
2
1.5
2
2
2
2
2
0.285
3.01
--
--
--
--
--
--
--
--
--
--
--
0.3
3.1
1.5
2
1.5
1.5
2
1.5
2
2
2
2
2
0.315
3.19
%
%
%
%
%
%
%
%
%
%
%
V
V
Step-Up mode
Symbol
Test Conditions
Min
--
--
--
91
--
Typ
--
--
--
93
--
Max
100
100
100
97
100
Unit
%
%
%
%
%
VOUT5 Accuracy
VOUT6 Accuracy
VOUT8 Accuracy
Feedback Regulation Voltage @
FB7
VDDM Voltage
(CH9 LDO Output Regulation)
Power Switch Ron and Current Limit
CH1 On Resistance of MOSFET
R
DS(ON)_1
P-MOSFET, VOUT1 = 3.3V
N-MOSFET, VOUT1 = 3.3V
PMOSFET (PVDD2
LX2A),
PVDD2 = VOUT2 = 3.3V
NMOSFET (LX2A
GND),
PVDD2 = VOUT2 = 3.3V
PMOSFET (LX2B
VOUT2),
PVDD2 = VOUT2 = 3.3V
NMOSFET (LX2B
GND),
PVDD2 = VOUT2 = 3.3V
Both PMOS (PVDD2
LX2A)
and NMOS (LX2B
GND)
--
--
2.5
--
--
--
--
2.2
150
100
3.5
100
200
150
100
3
200
150
4.5
150
300
200
150
4
m
m
A
m
m
m
m
A
CH1 Current Limitation (Step-Up) I
LIM_1
CH2 On Resistance of MOSFET
R
DS(ON)_2A
CH2 On Resistance of MOSFET
R
DS(ON)_2B
CH2 Current Limitation
I
LIM_2
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5035A/B-03
February 2020
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
