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RT5035A Datasheet(PDF) 41 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) 41 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
41
Max Load of Every Channel
Purpose
RT5035A/B
Current Limit
Max Load
Condition (VIN à VOUT)
VDDM and VMOTOR
CH1
3.5A
1200mA
3V à 5V
VI/O
CH2
3A
900mA
3V à 3.3V
VCORE
CH3
3A
2A
3V à 1.1V
VMEM
CH4
1.5A
700mA
3V à 1.8V
CMOS_D
CH5
1.5A
500mA
3V à 2.2V
CMOS_A
CH6
450mA
300mA
3V à 2.7V
Load SW
SW4
900mA
500mA
1.8V à 1.8V
WLED
CH7
0.8A
30mA
6 WLED
Generic LDO
CH8
300mA
200mA
VIN  VOUT > 150mV
Keep-Alive LDO
CH9
100mA
50mA
VIN
VOUT > 300mV
VMEM
CH10
1.5A
700mA
3V à 1.35V
Protection Act
Protection
Type
Threshold
(Typical Value)
Delay
Time
Protection Method
Reset Method
VDDM
Over Voltage
Protection
VDDM > 6V
100ms
Turn off whole IC,
except CH9 and CH1
in PFM (only for 2AA)
Restart if VDDM < 5.8V
BAT
UVLO
VBAT < 2.4V (RT5035A)
No delay
Disable all channels
Restart if
VBAT > 2.6V (RT5035A),
VBAT > 1.7V (RT5035B)
VBAT < 1.5V (RT5035B)
CH1
Current Limit
(in PFM )
NMOS current > 0.8A
No delay
Turn off NMOS
Reset after min-off-time
finish
VOUT1 OVP
(in PWM)
VOUT1 > 5.8V
100ms
Turn off whole IC,
except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
OCP
(in PWM)
NMOS current > 3.5A
100ms
Turn off whole IC,
except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
VOUT1 UVP
(in PWM)
VOUT1< 2.25V
No delay
Turn off whole IC,
except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low
Over-Load
protection
(in PWM)
VOUT1 < target
 0.6V
100ms
Turn off whole IC,
except CH9 and CH1
in PFM (only for 2AA)
VDDM power reset or
EN = low



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