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RT5035A Datasheet(PDF) 9 Page - Richtek Technology Corporation

Part # RT5035A
Description   Channel DC-DC Converters
PDF  44 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5035A Datasheet(HTML) 9 Page - Richtek Technology Corporation

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RT5035A/B
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS5035A/B-02
February
2017
www.richtek.com
9
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
CH3 Maximum Duty Cycle
(Step-Down)
--
--
100
%
CH4 Maximum Duty Cycle
(Step-Down)
--
--
100
%
CH5 Maximum Duty Cycle
(Step-Down)
--
--
100
%
CH7 Maximum Duty Cycle
(WLED)
Step-Up mode
91
93
97
%
CH10 Maximum Duty Cycle
(Step-Down)
--
--
100
%
Feedback and Output Regulation Voltage
VOUT1 Accuracy
A1.VOUT1 = 0 to 7
1.5
--
1.5
%
A1.VOUT1 = 8 to 15
2
--
2
%
VOUT2, 3, 10 Accuracy
The VOUTx typical values are
listed next.
1.5
--
1.5
%
VOUT4 Accuracy
A2.VOUT4 = 0 to 3 (near 1.8V)
1.5
--
1.5
%
A2.VOUT4 = 4 to 7 (near 1.5V)
2
--
2
%
VOUT5 Accuracy
A2.VOUT5 = 0 to 3
1.5
--
1.5
%
A2.VOUT5 = 4 to 7
2
--
2
%
VOUT6 Accuracy
A3.VOUT6 = 0 to 8
2
--
2
%
A3.VOUT6 = 9 to 15
2
--
2
%
VOUT8 Accuracy
A4.VOUT8 = 0 to 3
2
--
2
%
A4.VOUT8 = 4 to 7
2
--
2
%
Feedback Regulation Voltage @
FB7
0.285
0.3
0.315
V
VDDM Voltage
(CH9 LDO Output Regulation)
3.01
3.1
3.19
V
Power Switch Ron and Current Limit
CH1 On Resistance of MOSFET
RDS(ON)_1
P-MOSFET, VOUT1 = 3.3V
--
150
200
m
N-MOSFET, VOUT1 = 3.3V
--
100
150
m
CH1 Current Limitation (Step-Up) ILIM_1
2.5
3.5
4.5
A
CH2 On Resistance of MOSFET
RDS(ON)_2A
P
MOSFET (PVDD2 LX2A),
PVDD2 = VOUT2 = 3.3V
--
100
150
m
N
MOSFET (LX2A  GND),
PVDD2 = VOUT2 = 3.3V
--
200
300
m
CH2 On Resistance of MOSFET
RDS(ON)_2B
P
MOSFET (LX2B  VOUT2),
PVDD2 = VOUT2 = 3.3V
--
150
200
m
N
MOSFET (LX2B  GND),
PVDD2 = VOUT2 = 3.3V
--
100
150
m
CH2 Current Limitation
ILIM_2
Both PMOS (PVDD2
 LX2A)
and NMOS (LX2B
GND)
2.2
3
4
A



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