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RT9182 の電気的特性と機能

RT9182のメーカーはETCです、この部品の機能は「DUAL/ LOW-NOISE/ 200mA LDO REGULATOR」です。


製品の詳細 ( Datasheet PDF )

部品番号 RT9182
部品説明 DUAL/ LOW-NOISE/ 200mA LDO REGULATOR
メーカ ETC
ロゴ ETC ロゴ 




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RT9182 Datasheet, RT9182 PDF,ピン配置, 機能
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





RT9182 pdf, ピン配列
Preliminary
RT9182
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6.5V
z Power Dissipation, PD @ TA = 25°C
SOT-23-6 -------------------------------------------------------------------------------------------------------------------- 0.4W
z Package Thermal Resistance (Note 5)
SOT-23-6, θJA --------------------------------------------------------------------------------------------------------------- 250°C/W
z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
z Storage Temperature Range -------------------------------------------------------------------------------------------- 65°C to 150°C
z ESD Susceptibility (Note 2)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions (Note 3)
z Supply Input Voltage ----------------------------------------------------------------------------------------------------- 2.7V to 5.5V
z Enable Input Voltage ----------------------------------------------------------------------------------------------------- 0V to 5.5V
z Junction Temperature Range ------------------------------------------------------------------------------------------ 40°C to 125°C
Electrical Characteristics
(VIN = 3.6V, CIN = COUT = 2.2μF, EN1 = EN2 = VIN, typical values at TA = 25°C, for each LDO unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min Typ Max Units
Output Voltage Accuracy
(Load Regulation)
ΔVOUT IL = 1mA to 200mA
-2 -- +2 %
Maximum Output Current
Current Limit
Quiescent Current
Dropout Voltage (Note 4)
Line Regulation
EN Input High Threshold
EN Input Low Threshold
EN Input Bias Current
Shutdown Supply Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Output Voltage Noise
Output Voltage AC PSRR
IMAX
ILIM
IG
VDROP
ΔVLINE
VIH
VIL
ISD
IGSD
TSD
ΔTSD
eNO
Continuous
RLOAD = 1Ω
No Load
IOUT = 100mA (Both LDOs)
IOUT = 1mA
IOUT = 100mA
IOUT = 200mA
VIN = (VOUT +0.4V or 2.7V) to 5.5V
IOUT = 1mA
VIN = 2.7V to 5.5V
VIN = 2.7V to 5.5V
EN = GND or VIN
EN1 = EN2 = GND
10Hz to 100kHz, COUT = 4.7μF,
ILOAD = 1mA
100Hz, COUT = 4.7μF,
ILOAD = 100mA
200
500
--
--
--
--
--
-0.2
1.6
--
--
--
--
--
--
--
-- --
-- 1000
165 260
165 260
1.2 --
120 --
255 --
mA
mA
μA
μA
mV
mV
mV
-- +0.2 %/V
--
--
--
0.01
140
10
--
0.4
100
2
--
--
V
V
nA
μA
°C
°C
124 -- μVRMS
62 -- dB
DS9182-14 April 2005
www.richtek.com
3


3Pages


RT9182 電子部品, 半導体
RT9182
Preliminary
Line Transient Response
Load Transient Response
COUT = 2.2uF
ILOAD = 0 to 80mA
4.5
3.5
Time (50us/Div)
EN Pin Shutdown Response
ILOAD = 50mA
Peak value depends on COUT ESR
≈≈
Time (10us/Div)
RT9182ACES
Noise
≈≈
Time (1ms/Div)
RT9182ACES
Noise
ILOAD = 100mA both output
VIN = 4.5V
CIN = COUT = 2.2uF
f = 10Hz to 100kHz
Time (10ms/Div)
No load both output
VIN = 4.5V
CIN = COUT = 2.2uF
f = 10Hz to 100kHz
Time (10ms/Div)
www.richtek.com
6
DS9182-14 April 2005

6 Page



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共有リンク

Link :


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RT9182

DUAL/ LOW-NOISE/ 200mA LDO REGULATOR

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