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PDF RT9022 Data sheet ( Hoja de datos )
| Número de pieza | RT9022 | |
| Descripción | 60mA LDO Regulator | |
| Fabricantes | Richtek Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9022 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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Preliminary
RT9022
High Voltage, Low Quiescent, 60mA LDO Regulator
General Description
The RT9022 is designed for positive CCD bias applications
with critical performance and space requirements. The
RT9022 performance is optimized for battery-powered
systems to deliver low noise and low quiescent current
and with soft start function.
The RT9022 also works well with low-ESR ceramic
capacitors, reducing the amount of board space necessary
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for power applications and consumes less than 1μA in
shutdown mode.
The other features include ultra low dropout voltage, high
output accuracy, and current limiting protection. The part
is available in the SOT-23-6, TSOT-23-6 and SC-70-6
packages.
Ordering Information
RT9022
Package Type
E : SOT-23-6
J6 : TSOT-23-6
U6 : SC-70-6
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
Note :
Richtek Pb-free and Green 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.
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.
Features
z Low Quiescent Current (Typically 40μA)
z Wide Operating Voltage Ranges : 5V to 20V
z Ultra-Fast Transient Response
z Tight Load and Line Regulation
z Current Limiting Protection
z Thermal Shutdown Protection
z Adjustable Soft Start Time
z RoHS Compliant and 100% Lead (Pb)-Free
Applications
z DSC
z Camcorder
Pin Configurations
(TOP VIEW)
EN SS FB
65 4
1 23
VIN GND VOUT
SOT-23-6 / TSOT-23-6 / SC-70-6
Note : There is no pin1 indicator on top mark for SOT-23-6
and SC-70-6 type, and pin 1 will be lower left pin when reading
top mark from left to right.
Typical Application Circuit
VIN 1 VIN VOUT 3
1uF
RT9022
1nF R1
ON 6 EN
FB 4
OFF
5 SS
GND 2
R2
VOUT
2.2uF
VOUT
=
VFB
(1+
R1
R2
)V
DS9022-00 September 2007
www.richtek.com
1
1 page  
Preliminary
RT9022
Typical Operating Characteristics
Output Voltage vs. Temperature
16.0
VIN = 18V, ILOAD = 0mA
15.5
15.0
14.5
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14.0
-50 -25
0
25 50
Temperature (°C)
75 100
Quiescent Current vs. Temperature
60
VIN = 5V, VOUT = 1.25V
55
50
45
40
35
-50 -25 0 25 50 75 100
Temperature (°C)
Feedback Voltage vs. Temperature
1.30
VIN = 5V
1.28
1.26
1.24
1.22
1.20
-50 -25 0 25 50
Temperature (°C)
75 100
Line Transient Response
VOUT = 15V, ILOAD = 3mA
VIN 18
(V)
17
Dropout Voltage vs. Load Current
400
VOUT = 15V
TJ = 100°C
300
TJ = 25°C
200
TJ = −40°C
100
0
0 10 20 30 40 50 60
Load Current (mA)
Line Transient Response
VOUT = 15V, ILOAD = 20mA
VIN 18
(V)
17
VOUT
(10mV/Div)
VOUT
(10mV/Div)
Time (1ms/Div)
Time (1ms/Div)
DS9022-00 September 2007
www.richtek.com
5
5 Page 
Preliminary
RT9022
www.DataSheet4U.com
D
CB
H
L
b
A
e
A1
Symbol
A
A1
B
b
C
D
e
H
L
Dimensions In Millimeters
Min Max
0.800
1.100
0.000
0.100
1.150
1.350
0.150
0.400
1.800
2.450
1.800
2.250
0.650
0.080
0.260
0.210
0.460
Dimensions In Inches
Min Max
0.031
0.044
0.000
0.004
0.045
0.054
0.006
0.016
0.071
0.096
0.071
0.089
0.026
0.003
0.010
0.008
0.018
SC-70-6 Surface Mount Package
Richtek Technology Corporation
Headquarter
5F, No. 20, Taiyuen Street, Chupei City
Hsinchu, Taiwan, R.O.C.
Tel: (8863)5526789 Fax: (8863)5526611
DS9022-00 September 2007
Richtek Technology Corporation
Taipei Office (Marketing)
8F, No. 137, Lane 235, Paochiao Road, Hsintien City
Taipei County, Taiwan, R.O.C.
Tel: (8862)89191466 Fax: (8862)89191465
Email: [email protected]
www.richtek.com
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet RT9022.PDF ] | |
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