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AEROSEMI
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MT3608 Datasheet Preview

MT3608 Datasheet

High Efficiency 1.2MHz 2A Step Up Converter

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MT3608 pdf
AEROSEMI
FEATURES
• Integrated 80mΩ Power MOSFET
• 2V to 24V Input Voltage
• 1.2MHz Fixed Switching Frequency
• Internal 4A Switch Current Limit
• Adjustable Output Voltage
• Internal Compensation
• Up to 28V Output Voltage
• Automatic Pulse Frequency Modulation
Mode at Light Loads
• up to 97% Efficiency
• Available in a 6-Pin SOT23-6 Package
APPLICATIONS
• Battery-Powered Equipment
• Set-Top Boxed
• LCD Bais Supply
• DSL and Cable Modems and Routers
• Networking cards powered from PCI
or PCI express slots
MT3608
High Efficiency 1.2MHz
2A Step Up Converter
GENERAL DESCRIPTION
The MT3608 is a constant frequency, 6-pin SOT23
current mode step-up converter intended for small,
low power applications. The MT3608 switches at
1.2MHz and allows the use of tiny, low cost
capacitors and inductors 2mm or less in height.
Internal soft-start results in small inrush current and
extends battery life.
The MT3608 features automatic shifting to pulse
frequency modulation mode at light loads. The
MT3608 includes under-voltage lockout, current
limiting, and thermal overload protection to prevent
damage in the event of an output overload. The
MT3608 is available in a small 6-pin SOT-23
package.
TYPICAL APPLICATION
Efficiency
Figure 1. Basic Application Circuit
Aerosemi Technology Co., Ltd
Iout (mA)
Figure 2. Efficiency Curve
1



AEROSEMI
AEROSEMI

MT3608 Datasheet Preview

MT3608 Datasheet

High Efficiency 1.2MHz 2A Step Up Converter

No Preview Available !

MT3608 pdf
MT3608
ABSOLUTE MAXIMUM RATINGS
IN, EN voltages ………..….…… -0.3V to 26V
Operating Temperature….... -40°C to +85°C
FB Voltages ................................-0.3V to 6V
Junction Temperature ………………...160°C
SW Voltage ……………………..-0.3V to 30V
Storage Temperature Range -65°C to 150°C
Peak SW Sink and Source Current ………4A
Lead Temperature (Soldering, 10s) ...+300°C
PACKAGE/ORDER INFORMATION
SW 1
6 NC
GND 2
5 IN
FB 3
PIN DESCRIPTION
SOSOTT2233--56
(M(MTT33650408))
4 EN
PIN NAME
FUNCTION
1
SW
Power Switch Output. SW is the drain of the internal MOSFET switch. Connect the
power inductor and output rectifier to SW. SW can swing between GND and 28V.
2 GND Ground Pin
3 FB Feedback Input. The FB voltage is 0.6V. Connect a resistor divider to FB.
Regulator On/Off Control Input. A high input at EN turns on the converter, and a
4 EN low input turns it off. When not used, connect EN to the input supply for automatic
startup.
5 IN Input Supply Pin. Must be locally bypassed.
6 NC NC
Aerosemi Technology Co., Ltd
2


Part Number MT3608
Description High Efficiency 1.2MHz 2A Step Up Converter
Maker AEROSEMI
Total Page 7 Pages
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