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PDF RT9182 Data sheet ( Hoja de datos )
| Número de pieza | RT9182 | |
| Descripción | 200mA LDO Regulator | |
| Fabricantes | Richiek | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9182 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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Preliminary
RT9182
Dual, Low-Noise, 200mA LDO Regulator
General Description
The RT9182 is a dual-channel, low noise, and low dropout
regulator supplying up to 200mA current at each channel.
The output voltage ranges from 1.5V to 3.3V in 100mV
increments and 2% accuracy by operating from a +2.7V
to +5.5V input.
The RT9182 uses an internal PMOS as the pass device,
which consumes 165μA supply current (both LDOs on)
independent of load current and dropout conditions. The
EN1 and EN2 pins control each output respectively. When
both outputs shutdown simultaneously, the chip will be
turn off and consumes nearly zero operation current
which is suitable for battery-power devices. Other
features include a current limiting, and over temperature
protection.
Ordering Information
RT9182
Package Type
ES : SOT-23-6
Operating Temperature Range
C : Commercial Standard
P : Pb Free with Commercial Standard
Output Voltage
A : 2.8V (Output1), 2.8V (Output2)
B : 3.0V (Output1), 3.0V (Output2)
C : 2.8V (Output1), 3.0V (Output2)
D : 2.8V (Output1), 2.5V (Output2)
E : 2.8V (Output1), 1.8V (Output2)
F : 2.5V (Output1), 2.5V (Output2)
G : 2.5V (Output1), 1.8V (Output2)
H : 3.3V (Output1), 2.5V (Output2)
I : 3.3V (Output1), 1.8V (Output2)
J : 3.0V (Output1), 2.5V (Output2)
K : 3.0V (Output1), 1.8V (Output2)
L : 2.8V (Output1), 1.85V (Output2)
Note :
RichTek Pb-free products are :
−RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
−Suitable for use in SnPb or Pb-free soldering processes.
−100%matte tin (Sn) plating.
Features
z Up to 200mA Output Current (Each LDO)
z Dual Shutdown Pins Control Each Output
z 124μVRMS Low Noise Output
z Current Limiting and Thermal Protection
z Short Circuit Protection
z 120mV Dropout at 100mA Load
z Two LDOs in SOT-23-6 Package
z RoHS Compliant and 100% Lead (Pb)-Free
Applications
z Cellular Phones
z Laptop, Notebook, and Palmtop Computers
z Battery-powered Equipment
z Hand-held Equipment
z Wireless LAN
Marking Information
For marking information, contact our sales representative
directly or through a RichTek distributor located in your
area, otherwise visit our website for detail.
Pin Configurations
(TOP VIEW)
VOUT1 VIN EN1
654
1 23
VOUT2 GND EN2
SOT-23-6
Note : There is no pin1 indicator on top mark for SOT-23-6
type, and pin 1 will be lower left pin when reading top mark
from left to right.
DS9182-14 April 2005
www.richtek.com
1
1 page  
Preliminary
RT9182
Typical Operating Characteristics
Quiescent Current vs. Supply Voltage
240
200 No Load
160 ILOAD = 100mA,both outputs
120
80
40
0
2.5
3.5 4.5 5.5
Supply Voltage (V)
6.5
Output Voltage Accuracy vs. Temperature
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
-40
-15 10 35 60
Temperature (°C)
85
Quiescent Current vs. Load Current
180
150 Both outputs loaded
120
90
60
30
0
0
40 80 120 160
Load Current (mA)
200
Quiescent Current vs. Temperature
300
250
200
150
100
50
VIN = 3.6V
0
-45 -25 -5 15 35 55 75 95
Temperature (°C)
Dropout Voltage vs. Temperature
300
250
200
150
100
50
0
-40
ILOAD = 200mA
-15 10 35 60
Temperature (°C)
85
Channel-to-Channel Isolation vs. Frequency
120
100
80
60
40
20
0
100
RLOAD = 100Ω
1K 10K 100K
Frequency (Hz)
1M
DS9182-14 April 2005
www.richtek.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RT9182.PDF ] | |
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