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PDF AME5107 Data sheet ( Hoja de datos )
| Número de pieza | AME5107 | |
| Descripción | PWM Control 3A Buck Converter | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AME5107 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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AME, Inc.
AME5107
PWM Control 3A Buck
Converter
n General Description
AME5107provides low-ripple power, high efficiency, and
excellent transient characteristics. The PWM control cir-
cuit is able to vary the duty ratio linearly from 0 up to
www.DataS1h0e0et%4U..cTohmis converter also contains an error amplifier cir-
cuit as well as a soft-start circuit that prevents overshoot
at startup. An enable function, an over current protect func-
tion and a short circuit protect function are built inside,
and when OCP or SCP happens, the operation frequency
will be reduced from 350KHz to 30KHz. Also, an internal
compensation block is built in to minimum external com-
ponent count.
With the addition of an internal P-channel Power MOS,
a coil, capacitors, and a diode connected externally, these
ICs can function as step-down switching regulators. They
serve as ideal power supply units for portable devices when
coupled with the SOP-8L mini-package, providing such
outstanding features as low current consumption. Since
this converter can accommodate an input voltage up to
18V, it is also suitable for the operation via an AC adapter.
n Applications
l PC Motherboard
l LCD Monitor
l Graphic Card
l DVD-Video Player
l Telecom Equipment
l ADSL Modem
l Printer and other Peripheral Equipment
l Microprocessor core supply
l Networking power supply
n Features
l Input voltage: 3.6V to 18V.
l Output voltage: 0.8V to VCC.
l Duty ratio: 0% to 100% PWM control
l Oscillation frequency: 350KHz typ.
l Soft-start, Current limit, Enable function
l Thermal Shutdown function
l Built-in internal SW P-channel MOS
l SOP-8 Package
l All AME’ s Lead Free Products Meet RoHS
Standards
C
S
Rev.A.01
1
1 page  
AME, Inc.
AME5107
PWM Control 3A Buck
Converter
n Absolute Maximum Ratings
Parameter
Input Supply Voltage
www.DataSheet4U.com
EN,SW Pin Voltages
FB Pin Voltage
ESD Classification
Symbol
IN
VEN, VSW
VFB
Maximum
-0.3V to 22V
-0.3V to 0.3V
-0.3V to VIN
TBD*
Unit
V
Caution: Stree above the listed absolute maximum rating may cause permanent damage to the device.
*HBM B: 2000~3999V
n Recommended Operating Conditions
Parameter
Ambient Temperature Range
Junction Temperature Range
Storage Temperature Range
n Thermal Information
Symbol
TA
TJ
TSTG
C
Rating
-20 to 85
-20 to 125
-40 to 150
Unit
oC
oC
oC
Parameter
Thermal Resistance*
(Junction to Case)
Thermal Resistance
(Junction to Ambient)
Package Die Attach Symbol Maximum
SOP-8
θJC 60
SOP-8 Conductive Epoxy
θJA
150
Internal Power Dissipation
SOP-8
PD 810
Solder Iron (10 Sec)**
* Measure θJC on center of molding compound if IC has no tab.
** MIL-STD-202G-210F
350
Unit
oC / W
mW
oC
Rev.A.01
5
5 Page 
AME, Inc.
AME5107
n Package Dimension
SOP-8
www.DataSheet4U.com
Top View
Side View
C
HE
D
Front View
7o(4X)
L
e
B
C
PWM Control 3A Buck
Converter
SYMBOLS
A
A1
A2
B
C
D
E
e
L
H
y
θ
MILLIMETERS
MIN MAX
1.35
1.75
0.10
0.30
1.473 REF
0.33
0.51
0.19
0.25
4.80
5.33
3.80
4.00
1.27 BSC
0.40
1.27
5.80
6.30
- 0.10
0o 8o
INCHES
MIN MAX
0.05315 0.0689
0.00394 0.01181
0.05799 REF
0.01299 0.02008
0.00748 0.00984
0.18898 0.20984
0.14961 0.15748
0.05000 BSC
0.01575 0.05000
0.22835 0.24803
- 0.00394
0o 8o
Rev.A.01
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AME5107.PDF ] | |
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