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PDF MT5033 Data sheet ( Hoja de datos )
| Número de pieza | MT5033 | |
| Descripción | 800kHz Synchronous Step-up Converter | |
| Fabricantes | M3TEK | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MT5033 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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M3TEK
Preliminary Datasheet
MT5033
800kHz Synchronous Step-up Converter with 6A Switches
DESCRIPTION
The MT5033 devices provide a power supply
solution for products powered by either a one-cell
Li-Ion or Li-polymer battery. The converter
generates a stable output voltage that is either
adjusted by an external resistor divider or fixed
internally on the chip. It provides high efficient
power conversion and is capable of delivering
output currents up to 2.5A at 5V with a supply
voltage down to 3V. The maximum peak current
in the step-up switch is limited to a value of 6A.
The MT5033 operates at 800kHz switching
frequency and enters pulse-skip-mode (PSM)
operation at light load currents to maintain high
efficiency over the entire load current range.
During shutdown, the load is completely
disconnected from the battery.
FEATURES
Synchronous Step-up Converter with 2.5A
Output Current From 3V Input
Wide VIN Range From 2.9V to 5.5V
Input Under-voltage Lockout Protection
Fixed and Adjustable Output Voltage
Built-in Output Over-voltage Protection
Light-Load Pulse Skip Mode
Load Disconnect During Shutdown
Output Short Circuit Protection
Thermal Shutdown Protection
Available in a SOP8_EP Packages
APPLICATIONS
Power Bank
USB Charging Port (5V)
DC/DC Micro Modules
3V to 5V
Input
L1
1.5uH
C1
10uF
SW
VIN
EN
GND
MT5033
VOUT
R3
FB
R4
C2 C3
10uF 10uF
5V output
up to 2.5A
PGND
Figure 1. MT5033 Typical Application Circuit
Rev. 0.1
www.m3tekic.com
M3tekic Confidential
1
1 page  
M3TEK
Preliminary Datasheet
MT5033
800kHz Synchronous Step-up Converter with 6A Switches
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.3V, MT5033 typical application circuit (Figure 1.), TA = +25°C, unless otherwise noted.
Efficiency vs. Load Current
Steady State
VIN=3.3V,VOUT=5.0V,ILOAD=0A
Steady State
VIN =3.3V, VOUT=5.0V, ILOAD=0.1A
Steady State
VIN =3.3V, VOUT=5.0V, ILOAD=2A
4 us/div
Steady State
VIN=4.19V, VOUT=5.0V, ILOAD=0.05A
4 us/div
Startup from Enable
Vin=3.3V,Vout=5.0V,Iload=1.5A
4 us/div
Short Circuit
VIN =3.3V, VOUT=5V,
ILOAD=0.3A to Short Circuit
4 us/div
Shutdown from Enable
VIN =3.3V, VOUT=5.0V,
ILOAD=1.5A
2 ms/div
Load Transient
VIN =3.3V, VOUT=5.0V,
ILOAD=0.2A~1.8A
40 ms/div
Rev. 0.1
www.m3tekic.com
400 us/div
M3tekic Confidential
200us/div
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MT5033.PDF ] | |
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