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RT5035B Datasheet(PDF) 11 Page - Richtek Technology Corporation

Part # RT5035B
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

RT5035B Datasheet(HTML) 11 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
11
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
SYNC Sink Current
--
1
3
A
Thermal Protection
Thermal Shutdown
TSD
125
160
--
°C
Thermal Shutdown Hysteresis
TSD
--
20
--
°C
VNEG Charge Pump
Charge Pump Low Threshold to
Start
NVst
Monitor BAT falling
3.4
3.6
3.8
V
Charge Pump Hysteresis gap to
Stop
NVst
0.1
0.2
0.3
V
(BAT-VNEG) Clamp Level
4.1
4.5
4.9
V
CH8 LDO
Supply Voltage of Ch8
PVDD8
2.7
--
5.5
V
PSRR+ of Ch8
1kHz, IO = 10mA, PVDD8 = 3.6V,
VOUT8 = 3.4V
--
60
--
dB
Ch8 Dropout Voltage
VOUT8 = 3.4V, IO = 100mA
--
40
60
mV
Current Limit of Ch8
ILIM_8
VOUT8 = 3.4V
220
300
380
mA
CH9 Keep-Alive LDO
Supply Voltage of CH9 at VOUT1
Pin
2.4
--
5.5
V
PSRR+ of CH9
1kHz, IO = 1mA, VDDM = 3.1V
--
40
--
dB
CH9 Dropout Voltage
VDDM = 3.1V, IO = 20mA
--
220
300
mV
Current Limit of RTC LDO
ILIM_9
VDDM = 3.1V
50
100
--
mA
RESET Hysteresis Low
RESET falling
2.15
2.2
--
V
RESET Hysteresis High
RESET rising
--
2.4
2.45
V
RESET Rising Delay Time
--
--
0.5
s
CH9 Quiescent Current
Excluding RTC quiescent current
--
10
--
A
RTC
RTC Operation Voltage
1.9
--
3.3
V
RTC Quiescent Current
(Including RTC_UVLO,
RTC_OSC, and Time Counter)
RTCPWR > UVLO threshold XIN
= XOUT = 14pF
--
--
3
A
RTCPWR < UVLO threshold
--
--
0.2
A
RTC Clock
--
32.768
--
kHz
RTC Clock Accuracy
RTCPWR = 1.9V to 3.3V
10
--
10
ppm
RTC Clock Output High
Pin C32K source Out 0.1mA
VDDM
0.3
--
--
V
RTC Clock Output Low
Pin C32K sink 0.1mA
--
--
0.3
V



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