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AP2406ES5-1.8 Datasheet Preview

AP2406ES5-1.8 Datasheet

600mA Synchronous Step-Down Converter

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AP2406ES5-1.8 pdf
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AP2406
AP2406
1.5Mhz, 600mA Synchronous
Step-Down Converter
Description
The AP2406 is a 1.5Mhz constant frequency, slope
compensated current mode PWM step-down converter.
The device integrates a main switch and a synchronous
rectifier for high efficiency without an external Schottky
diode. It is ideal for powering portable equipment that
runs from a single cell lithium-Ion (Li+) battery. The
AP2406 can supply 600mA of load current from a 2.5V
to 5.5V input voltage. The output voltage can be
regulated as low as 0.6V. The AP2406 can also run at
100% duty cycle for low dropout operation, extending
battery life in portable system. Idle mode operation at
light loads provides very low output ripple voltage for
noise sensitive applications.
The AP2406 is offered in a low profile (1mm) 5-pin,
thin SOT package, and is available in an adjustable
version and fixed output voltage of 1.2V, 1.5V and 1.8V
Applications
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
Wireless and DSL Modems
PDAs
MP3 Player
Digital Still and Video Cameras
Portable Instruments
Features
High Efficiency: Up to 96%
1.5Mhz Constant Switching Frequency
600mA Output Current at VIN=3V
Integrated Main switch and synchronous rectifier.
No Schottky Diode Required
2.5V to 5.5V Input Voltage Range
Output Voltage as Low as 0.6V
100% Duty Cycle in Dropout
Low Quiescent Current: 300µA
Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
Short Circuit Protection
Thermal Fault Protection
<1uA Shutdown Current
Space Saving 5-Pin Thin SOT23 package
Typical Application
Figure 1. Basic Application Circuit with
AP2406 adjustable version
1



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AP2406ES5-1.8 Datasheet Preview

AP2406ES5-1.8 Datasheet

600mA Synchronous Step-Down Converter

No Preview Available !

AP2406ES5-1.8 pdf
Chipown
(Note 1)
Absolute Maximum Rating
Input Supply Voltage............................ -0.3V to +6V
RUN, V Voltages............................-0.3V to +0.3V
FB
SW Voltages..................................-0.3V to V +0.3V
IN
P-Channel Switch Source Current (DC)..........800mA
N-Channel Switch Sink Current (DC).............800mA
Package/Order Information
Adjustable Output Version:
AP2406
Peak SW Sink and Source Current......................1.3A
Operating Temperature Range...........-40°C to +85°C
(Note2)
Junction Temperature ............................+125°C
Storage Temperature Range............-65°C to +150°C
Lead Temperature (Soldering, 10s)................+300°C
Fixed Output Versions:
Part Number
AP2406ES-ADJ
TSOT23-5
Top Mark Temp Range
A1XY
-40°C to +85°C
(Note 3)
Thermal Resistance
:
Package
TSOT23-5
Ө
JA
220°C/W
Ө
JC
110°C/W
Part Number
AP2406ES5-1.5
AP2406ES5-1.8
AP2406ES5-1.2
TSOT23-5
Top Mark Temp Range
A2XY -40°C to +85°C
A3XY
A4XYB
Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.
Note 2: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following
formula: AP2406: TJ = TA + (PD)x(220°C/W)
Note 3: Thermal Resistance is specified with approximately 1 square of 1 oz copper.
2


Part Number AP2406ES5-1.8
Description 600mA Synchronous Step-Down Converter
Maker Chipown
Total Page 8 Pages
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