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PDF RT9361A Data sheet ( Hoja de datos )
| Número de pieza | RT9361A | |
| Descripción | (RT9361A/B) Tiny Package / High Performance / Regulated Chard Pump | |
| Fabricantes | Richtek Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9361A (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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Tiny Packhaegeet4, UH.icgohmPerformance, Regulated CRhaTr9g3e6P1uAm/BpGeneral Description
taSThe RT9361A/B is a high performance charge pump
aDC/DC converter that produces a regulated 4.5V and 5V
.Doutput. No external inductor is required for operation. The
woperating voltage range is 2.8V to Vout. Internal soft-start
wcircuitry effectively reduces the in-rush current both while
wstart-up and mode change.
Features
z Input Voltage Range : 2.8V to VOUT
z Internal Soft Start Function
z 5V/4.5V Fixed Output Voltage
z Over Current Protection Function
z Short Circuit Protection Function
z RoHS Compliant and 100% Lead (Pb)-Free
The RT9361A/B features very low quiescent current, over
current protection and short circuit protection.
mThe RT9361A/B is available in SOT-23-6 package.
.coOrdering Information
RT9361A/B
UPackage Type
t4E : SOT-23-6
Operating Temperature Range
eC : Commercial Standard
eP : Pb Free with Commercial Standard
Output Voltage
hA : 5V
B : 4.5V
SNote :
taRichTek Pb-free products are :
−RoHS compliant and compatible with the current require-
aments of IPC/JEDEC J-STD-020.
−Suitable for use in SnPb or Pb-free soldering processes.
.D−100%matte tin (Sn) plating.
wMarking Information
wFor marking information, contact our sales representative
wdirectly or through a RichTek distributor located in your
Applications
z Mobile phone, Smart Phone LED Backlight
z Camera Flash White LED
z LCD Display Supply
Pin Configurations
(TOP VIEW)
CP VIN CN
654
123
VOUT GND EN
SOT-23-6
Note : There is no pin1 indicator on top mark for SOT-23-6
type, and pin1 will be lower left pin when reading top mark
from left to right.
Typical Application Circuit
CPUMP
64
area, otherwise visit our website for detail.
DS9361A/B-04 May 2005
VIN +
2.8V to VOUT
CP
5 VIN
CN
VOUT 1
.comCIN RT9361A/B
3 EN
UGND
t42
COUT R
LED
RR
LED LED
.DataSheewww.richtek.com
www 1
1 page  
RT9361A/B
Efficiency vs. Output Curent
0.885
08.08 VIN = 3V
0.775
07.07
VIN = 3.4V
0.665
06.06
0.555
VIN = 4.2V
05.05
0.445
04.04
10 15 20 25 30 35 40 45 50 55 60
Output Curent (mA)
VIH vs. Supply Voltage
1.5
1.4
1.3
TA = -40°C
1.2
1.1
1 TA = 85°C
TA = 25°C
0.9
0.8
2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5
Supply Voltage (V)
VIN (2V/Div)
Inrush Current
VOUT
EN
(2V/Div)
(2V/Div)
(500mA/Div)
IIN
VIN = 2.8V, IOUT = 60mA
Time (40μs/Div)
Efficiency vs. Input Voltage
1001
90.09
80.08
70.07 IOUT = 10mA
IOUT = 20mA
60.06 IOUT = 30mA
IOUT = 40mA
50.05
IOUT = 50mA
IOUT = 60mA
40.04
2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5
Input Voltage (V)
VIL vs. Supply Voltage
1.4
1.3
1.2
TA = -40°C
1.1
1 TA = 25°C
0.9 TA = 85°C
0.8
2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5
Supply Voltage (V)
VIN
(2V/Div)
Inrush Current
VOUT
EN
(2V/Div)
(2V/Div)
(500mA/Div)
IIN
VIN = 5V, IOUT = 60mA
Time (40μs/Div)
DS9361A/B-04 May 2005
www.richtek.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RT9361A.PDF ] | |
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