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PDF RM1410 Data sheet ( Hoja de datos )
| Número de pieza | RM1410 | |
| Descripción | PWM Control 2A Step-Down Converter | |
| Fabricantes | Reactor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RM1410 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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RM1410
PWM Control 2A Step-Down Converter
DESCRIPTION
RM1410 consists of step-down switching
regulator with PWM control. These devices include
a reference voltage source, oscillation circuit, error
amplifier, internal PMOS and etc.
RM1410 provides low-ripple power, high
efficiency, and excellent transient characteristics.
The PWM control circuit is able to vary the duty
ratio linearly from 0 up to 100%. An enable function,
an over current protect function and a short circuit
protect function are built inside, and when OCP or
SCP happens, the operation frequency will be
reduced from 380KHz to 35KHz. Also, an internal
compensation block is built in to minimum external
component 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 15V, it is also
suitable for the operation via an AC adapter.
FEATURES
■ Input voltage: 3.6V to 15V
■ Output voltage: 0.8V to VCC
■ Duty ratio: 0% to 100% PWM control
■ Oscillation frequency: 380KHz typ
■ Current limit, Enable function
■ Thermal Shutdown function
■ Built-in internal SW P-channel MOS
■ SOP-8L Pb-Free Package
■ Compatible with TD1410/MP1410
Applications
■ Battery Charger Adapter
■ PC Motherboard
■ LCD Monitor
■ Graphic Card
■ DVD-Video Player
■ Telecom Equipment
■ ADSL Modem
■ Printer and other Peripheral Equipment
■ Microprocessor core supply
■ Networking power supply
TYPICAL APPLICATION
+5V_2A
L1 33uH_3A
+ EC2
470uF _10V
D1
I N 5822
R3
U2
1 NC
10K
NC 8
7 EN
VCC 2
3 SW
NC 6
4 VSS
FB 5
R M1410
RA
10. 5K_1%
C1
22nF
+12V
+ EC1
470uF
RB
2K_1%
www.reactor-micro.com
1
Free Datasheet http://www.Datasheet4U.com
1 page  
Typical Operating Characteristics
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
Thermal
100.00
90.00
80.00
70.00
60.00
50.00
40.00
Efficiency
RM1410
Thermal
Thermal VS. Output Current
Soft-start（output current=0.5A）
Efficiency
Efficiency VS. Output Current
Soft-start（output current=2A）
Turn off（output current=0.5A）
Turn off（output current=2A）
www.reactor-micro.com
5
Free Datasheet http://www.Datasheet4U.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet RM1410.PDF ] | |
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