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  Richtek Technology Electronic Components Datasheet  

RT9006B Datasheet

(RT9006A / RT9006B) Dual LDO Regulator

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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 RT9006s 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


  Richtek Technology Electronic Components Datasheet  

RT9006B Datasheet

(RT9006A / RT9006B) Dual LDO Regulator

No Preview Available !

RT9006A/B
Functional Pin Description
Pin No.
Pin Name Pin Function
1 VOUT1 Channel 1 Output Voltage
2
VIN1
Channel 1 Supply Voltage
3
VIN2
Channel 2 Supply Voltage
4 VOUT2 Channel 2 Output Voltage
5 CT RESET Delay Capacitor
6
R ST
Detect VOUT 2 Output Voltage
7, 8
GND
Common Ground
www.DataSheetE4Ux.pcoomsed Pad (9) GND
The exposed pad must be soldered to a large PCB and connected to
GND for maximum power dissipation.
Function Block Diagram
VREF
Shutdown
and
Logic Control
+
-
Error
Amplifier
MOS Driver
Current-Limit
and
Thermal
Protection
VIN1
VOUT1
CT
RST
+
-
Error
Amplifier
VREF
MOS Driver
Current-Limit
and
Thermal
Protection
-
+
VD
Comparator
VIN2
VOUT2
GND
RESET Waveform
3.3V
VOUT2
2.8V
RST
ΔVHYS
Td
www.richtek.com
2
DS9006A/B-05 September 2007


Part Number RT9006B
Description (RT9006A / RT9006B) Dual LDO Regulator
Maker Richtek Technology
PDF Download

RT9006B Datasheet PDF






Similar Datasheet

1 RT9006A (RT9006A / RT9006B) Dual LDO Regulator
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2 RT9006B (RT9006A / RT9006B) Dual LDO Regulator
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