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PDF RT9006B Data sheet ( Hoja de datos )
| Número de pieza | RT9006B | |
| Descripción | (RT9006A / RT9006B) Dual LDO Regulator | |
| Fabricantes | Richtek Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9006B (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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RT9006A/B
Dual LDO Regulator with Reset Function
General Description
Features
The RT9006A/B is an efficient, precise dual-channel CMOS
LDO regulator optimized for ultra-low-quiescent
applications. Regulators output1 and output2 are capable
of sourcing 300mA and 500mA of output current.
The RT9006’ s performance is optimized for CD/DVD-ROM
and CD/RW a supply applications.
www.DataSheTeth4eU.RcoTm9006A/B regulators are stable with output capacitors
as low as 1μF, including current limit, thermal shutdown
protection, fast transient response, low dropout voltage,
high output accuracy, current limiting protection, and high
ripple rejection ratio. The RT9006A/B contains a reset
circuit to detect VOUT2 voltage.
z Low Quiescent Current (Typically 70μA)
z Wide Operating Voltage Ranges : 2.8V to 5.5V for
RT9006A
z Wide Operating Voltage Ranges : 2.5V to 5.5V for
RT9006B
z Ultra-Fast Transient Response
z Tight Load and Line Regulation
z Current Limiting Protection
z Thermal Shutdown Protection
z Only low-ESR Ceramic Capacitors Required for
Stability
z RoHS Compliant and 100% Lead (Pb)-Free
The RT9006A/B regulators are available in used SOP-8 Applications
(Exposed Pad) surface mount package.
z CD/DVD-ROM, CD/RW
Ordering Information
z Wireless LAN Card/Keyboard/Mouse
z Battery-Powered Equipment
RT9006A/B
Package Type
SP : SOP-8 (Exposed Pad-Option 2)
z XDSL Router
Pin Configurations
Note :
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Operating Frequency Version
A : VOUT1 = 1.8V, VOUT2 = 3.3V
B : VOUT1 = 1.5V, VOUT2 = 3.3V
(TOP VIEW)
VOUT1
VIN1
VIN2
VOUT2
8
27
GND
3 96
45
GND
GND
RST
CT
SOP-8 (Exposed Pad)
Richtek Pb-free and Green products are :
`RoHS compliant and compatible with the current require-
Typical Application Circuit
ments of IPC/JEDEC J-STD-020.
`Suitable for use in SnPb or Pb-free soldering processes.
`100% matte tin (Sn) plating.
VIN1
5V
VIN1 VOUT1
C1
1uF
RRST RT9006A/B
RST
CT
VIN2
5V
VIN2 VOUT2
C2 GND
1uF
C3 VOUT1
1uF
CCT
C4 VOUT2
1uF
DS9006A/B-05 September 2007
www.richtek.com
1
1 page  
RT9006A/B
Typical Operating Characteristics
C1 = C2 = 1uF(X7R), C3 = C4 = 1uF(X7R), RRST = 100kΩ, unless otherwise specified.
Output Voltage vs. Temperature
4.0
RT9006B
VIN1 = VIN2 = 4.3V
3.5
VOUT2
Quiescent Current vs. Temperature
100
RT9006A
VIN1 = VIN2 = 4.3V
90
3.0
2.5
2.0
www.DataSheet4U.com
1.5
VOUT1
80
70
60
1.0
-50
-25
0 25 50 75
Temperature (°C)
100 125
50
-50
-25
0 25 50 75
Temperature (°C)
100 125
Detect Falling Voltage vs. Temperature
2.9
VOUT2
2.85
2.8
2.75
2.7
-50
-25
0 25 50 75 100 125
Temperature (°C)
Dropout Voltage vs. Load Current
700
RT9006B, VOUT2
600
500 TJ = 125°C
400
TJ = 25°C
300
TJ = -40°C
200
100
0
0 100 200 300 400 500
Load Current (mA)
PSRR
20
RT9006A, VOUT1
VIN1 = VIN2 = 4.3V ± 0.1V
0
-20
-40
ILOAD = 100mA
-60
ILOAD = 10mA
-80
100.01
1000.1
1010k0 101000k0 1001000k 1010000000k0
Frequency ((HkzH)z)
RST Pin Sinking Current vs. Input Voltage
40
RT9006A
35 VRST = 0.5V
30 TA = -40°C
25
20 TA = 25°C
15
TA = 125°C
10
5
0
0 0.5 1 1.5 2 2.5 3
Input Voltage (V)
DS9006A/B-05 September 2007
www.richtek.com
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet RT9006B.PDF ] | |
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