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RT4730WSC bảng dữ liệu(PDF) 9 Page - Richtek Technology Corporation

tên linh kiện RT4730WSC
Giải thích chi tiết về linh kiện  Power Solution for Wearable AMOLED Products
PDF  17 Pages
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nhà sản xuất  RICHTEK [Richtek Technology Corporation]
Trang chủ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4730WSC bảng dữ liệu(HTML) 9 Page - Richtek Technology Corporation

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RT4730
9
DS4730-01
March 2017
www.richtek.com
©
Copyright
2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
SWIRE Rising Time
tr
--
--
200
ns
SWIRE Falling Time
tf
--
--
200
ns
Clocked SWIRE High
TON
2
--
20
s
Clocked SWIRE Low
TOFF
2
--
20
s
Input Clocked SWIRE
Frequency
fSWIRE
25
--
250
kHz
AVDDEN
AVDD Enable Input Voltage
VIH
VIN = 2.9V to 4.8V
1.2
--
--
V
VIL
VIN = 2.9V to 4.8V
GND
--
0.4
Buck_Boost
Positive Output Voltage
Range
VOUT_RANGE
3.5
--
4.2
V
Switching Frequency
fSW
2.75
--
3.25
MHz
Over Current Protection
IOCP
1.2
1.5
1.8
A
Negative Charge Pump
Negative Output Voltage
Range
VON_RANGE
4.1
--
0.7
V
Switching Frequency
fSW
0.8
1
1.2
MHz
AVDD
Positive Output Voltage
Range
AVDD_RANGE
--
3.3
--
V
Positive Output Voltage
Accuracy
AVDD_Acc
AVDD = 3.3V
1
--
1
%
Output Current Capability
IAVDD
10
--
mA
Line Regulation
VAVDD_LINE
VIN = 2.9 to 4.5V, IAVDD = 10mA
10
--
10
mV
Load Regulation
VAVDD_LOAD
IAVDD = 0 to 10mA
10
--
10
mV
Output Ripple
VAVDD_RIPPLE
--
--
20
mV
Current Limit
IAVDD_LIMIT
--
150
--
mA
Discharge Resistance
RAVDD_RDIS
--
400
--
Short Circuit Protection
AVDD_SCP
--
80
--
%
OVDD
Positive Output Voltage
Range
VOVDD_RANGE
2.8
3.3
4
V
Positive Output Voltage
Accuracy
OVDD_Acc
OVDD = 3.3V
1
--
1
%
Output Current Capability
IOVDD
50
--
--
mA
Line Regulation
VOVDD_LINE
VIN = 2.9 to 4.5V, IOVDD = 10mA
10
--
10
mV
Load Regulation
VOVDD_LOAD
IOVDD = 0 to 10mA
10
--
10
mV
Output Ripple
VOVDD_RIPPLE
--
--
10
mV



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