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PDF AIC1953 Data sheet ( Hoja de datos )
| Número de pieza | AIC1953 | |
| Descripción | Low-Dropout 600mA Linear Regulator | |
| Fabricantes | Analog Intergrations Corporation | |
| Logotipo |  |
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AIC1953
Dual Output Low ESR Cap. Low-Dropout
600mA Linear Regulator
FEATURES
Up to 600mA Output Current for Each LDO.
Low Quiescent Current ： 50µA (VOUT1 and
VOUT2 Enable Mode).
Low Dropout：470mV at 600mA Load Current
and 3.3V Output Voltage.
High PSRR：70dB at 1kHz.
Independent Shutdown Controls.
Current Limit and Thermal Protection.
SOP-8 Package.
APPLICATIONS
Cellular Phones.
PDAs.
Digital Still Cameras.
Portable Consumer Equipments.
DESCRIPTION
The AIC1953 is a dual output linear regulator
in a SOP-8 package. It is optimized for low
ESR ceramic capacitors operation and up to
600mA continuous current on each output.
The AIC1953 offers high precision output
voltage of 2%. At 600mA load current, a
470mV dropout is performed when output
voltage is equal to 3.3V. The quality of low
quiescent current and low dropout voltage
makes this device ideal for battery power
applications. The high ripple rejection and low
noise of the AIC1953 provide enhanced
performances for critical applications such as
cellular phones, and PDAs.
The AIC1953 includes current limit and thermal
shutdown protection. Each of the output is
controlled independently.
TYPICAL APPLICATION CIRCUIT
VOUT1=1.8V
1
CO UT1
1μF
VIN 2
CIN
1μF
3
VOUT2=3.3V 4
VOUT1
VIN
VIN
VOUT2
NC
GND
NC
NC
CO UT2
1μF AIC1953-KZGR8
8
7
6
5
Analog Integrations Corporation
Si-Soft Research Center
3A1, No.1, Li-Hsin Rd. I, Science Park, Hsinchu 300, Taiwan, R.O.C.
TEL: 886-3-5772500,
FAX: 886-3-5772510 www.analog.com.tw
DS-1953G-03 20111208
1
1 page  
AIC1953
TYPICAL PERFORMANCE CHARACTERISTICS
0.3 V =1.8V
IN
V =0.8V
0.2 OUT
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (℃)
Fig.1 Output Voltage Variation vs. Temperature
0.2
V =3.5V
IN
V =2.5V
OUT
0.1
0.0
-0.1
-0.2
-0.3
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (℃)
Fig.3 Output Voltage Variation vs. Temperature
0.5
V =4.3V
0.4
IN
V =3.3V
OUT
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (℃)
Fig.5 Output Voltage Variation vs. Temperature
48
44
40
36
V =1.8V
32
IN
V =V =0.8V
OUT1
OUT2
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (℃)
Fig.2 Dual LDO Quiescent Current vs. Temperature
800
750
V =2.5V
OUT
700
650
T =85℃
A
600
550
500
450
400
350
T =-40℃
A
300
250
200
150 T =25℃
A
100
50
0
50 100 150 200 250 300 350 400 450 500 550 600
Output Current (mA)
Fig.4 Dropout Voltage vs. Output Current
600
560 V =3.3V
OUT
520
480
440
400
360
320
280
240
200
160
120
80
40
T =85℃
A
T =25℃
A
T =-40℃
A
50 100 150 200 250 300 350 400 450 500 550 600
Output Current (mA)
Fig.6 Dropout Voltage vs. Output Current
5
5 Page 
SOP-8 PACKAGE OUTLINE DRAWING
D
AIC1953
AA
e
SEE VIEW B
WITH PLATING
B
BASE METAL
SECTION A-A
L
VIEW B
GAUGE PLANE
SEATING PLANE
Note: 1. Refer to JEDEC MS-012AA.
2. Dimension "D" does not include mold flash, protrusions
or gate burrs. Mold flash, protrusion or gate burrs shall not
exceed 6 mil per side .
3. Dimension "E" does not include inter-lead flash or protrusions.
4. Controlling dimension is millimeter, converted inch
dimensions are not necessarily exact.
S
Y
M
B
O
L
A
A1
B
C
D
E
e
H
h
L
θ
SOP-8
MILLIMETERS
MIN.
1.35
MAX.
1.75
0.10 0.25
0.33 0.51
0.19 0.25
4.80 5.00
3.80
1.27 BSC
5.80
4.00
6.20
0.25 0.50
0.40 1.27
0° 8°
Note:
Information provided by AIC is believed to be accurate and reliable. However, we cannot assume responsibility for use of any circuitry
other than circuitry entirely embodied in an AIC product; nor for any infringement of patents or other rights of third parties that may result
from its use. We reserve the right to change the circuitry and specifications without notice.
Life Support Policy: AIC does not authorize any AIC product for use in life support devices and/or systems. Life support devices or
systems are devices or systems which, (I) are intended for surgical implant into the body or (ii) support or sustain life, and whose failure
to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a
significant injury to the user.
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AIC1953.PDF ] | |
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