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PDF AIC2510 Data sheet ( Hoja de datos )
| Número de pieza | AIC2510 | |
| Descripción | Step-Down PWM Converter | |
| Fabricantes | Analog Intergrations Corporation | |
| Logotipo |  |
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AIC2510
3A STEP-DOWN PWM CONVERTER
FEATURES
Operating Input Voltage From 4.5V to 30V
3.3V, 5V, 12V and Adjustable Output Version
Adjustable Version Output Voltage Range,
1.2V to 30V ± 4% max Over Line and Load
Regulation
Available in TO-263-5, TO-220-5 and TO-220B
Package
Requires Only 4 External Components
150KHz Fixed Constant Frequency
Low Power Standby Mode, IQ Typically 80µA
TTL Shutdown Capability
Current Limit and Thermal Shutdown
Protection
3A Guaranteed Output Load Current
APPLICATIONS
Fixed Voltage power supply for LCD Monitor
and LCD TV
On-Card Switching regulators
Simple High Efficiency Step-down regulator
GENERAL DESCRIPTION
The AIC2510 series are step-down monolithic
PWM converters for delivering 3A at fixed
voltages of 3.3V, 5.0V, 12V and using an
external divider to adjust output voltage from
1.2V to 30V with excellent line and load
regulation.
Switching frequency up to 150KHz is achievable
thus allowing smaller-sized filter components.
Internal current limit and thermal shutdown
circuits provide protection from overloads. The
internal precise reference combined with
voltage feedback loop provides optimum output
voltage accuracy and fast load transient
response.
TYPICAL APPLICATION CIRCUIT
VIN
+
C1
AIC2510
1
IN
2
OUT
5 ON/OFF
4
FB
GND
3
L1
D1
+
C2
VOUT
CF
R1
C1: electrolyte capacitor 470uF
C2: electrolyte capacitor 220uF
CF:refer to table1
D1: SK54
L1:33uH
R2
R1 short, R2 and CF open for fixed version
Analog Integrations Corporation 3A1, No.1 Li-Hsin Rd. I, Science Park, Hsinchu 300, Taiwan
TEL: 886-3-5772500
FAX: 886-3-5772510 www.analog.com.tw
DS-2510G-01 092408
1
1 page  
AIC2510
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
1.6 1.6
1.5 1.5
1.4
1.3
1.2 3A
1.1
1.0
0.9
1A
0.8
0.7
1.4
1.3
1.2 -40oC
25oC
1.1
100oC
1.0
0.9
0.8
0.7
0.6
0.6
-60
2.5
-40 -20 0 20 40 60 80 100 120
TJ (oC)
Fig.7 Dropout voltage vs. Temperature
140
0.5
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Switch Current (A)
Fig.8 Switching saturation voltage vs. switch current
5.0
2.0
OFF
1.5
4.8
4.6
V =1.23V
FB
4.4
I =120mA
LOAD
4.2
4.0
1.0
ON
0.5
3.8
3.6
3.4
3.2
3.0
0.0
-60 -40 -20 0 20 40 60 80 100 120 140
TJ (oC)
Fig.9 ON/OFF threshold voltage vs. Temperature
5.0
4.5 VIN = 30V
4.0 -40oC < TJ < 125oC
3.5
3.0
2.8
-60 -40 -20 0 20 40 60 80 100 120 140
TJ (oC)
Fig.10 Minimum Operating supply voltage vs. Temperature
(ADJ only)
3A
0.1A
IOUT
2.5
2.0
1.5
1.0
0.5
0.0
0
5 10 15 20 25
ON/OFF Pin Voltage (Volt)
Fig.11 ON / OFF Pin Current (sinking) vs. Temperature
VOUT
100mV/div
VIN=12V
VOUT=5V
Fig.12 Load transient response
5
5 Page 
TO-220-5L
E
E1 E1
d
φ
D
L
AIC2510
A
F
D1
S TO-220-5L
Y
M
B
MILLIMETERS
O
L
MIN.
MAX.
A 4.064
4.826
A1 2.032
b 0.635
C 0.304
2.921
1.016
0.460
D 3.429
D1 7.620
3.683
9.398
d 2.620
2.870
E 9.779
E1 4.953
φ 3.708
10.668
5.220
3.962
e 1.524
F 1.143
L 13.589
2.032
1.397
14.351
eb
C
A1
Note : Controlling dimension is millimeter, converted inch
dimensions are not necessarily exact.
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 AIC2510.PDF ] | |
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