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PAM2310 Datasheet

2A LOW NOISE STEP-DOWN DC-DC CONVERTER

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A Product Line of
Diodes Incorporated
PAM2310
2A LOW NOISE STEP-DOWN DC-DC CONVERTER
Description
The PAM2310 is a 2A step-down DC-DC converter. At heavy load,
the constant-frequency PWM control performs excellent stability and
transient response. No external compensation components are
required
The PAM2310 supports a range of input voltages from 2.7V to 5.5V,
allowing the use of a single Li+/Li -polymer cell, multiple Alkaline/
NiMH cell,and other standard power sources. The output voltage is
adjustable from 0.6V to the input voltage. The PAM2310 employs
internal power switch and synchronous rectifier to minimize external
part count and realize high efficiency. During shutdown, the input is
disconnected from the output and the shutdown current is less than
1µA. Other key features include over-temperature and short circuit
protection, and under-voltage lockout to prevent deep battery
discharge.
The PAM2310 delivers 2A maximum output current while consuming
only 42µA of no-load quiescent current. Ultra-low RDS(ON) integrated
MOSFETs and 100% duty cycle operation make the PAM2310 an
ideal choice for high output voltage, high current applications which
require a low dropout threshold.
The PAM2310 is available in SOP-8 package.
Features
Output Current: Up to 2A
Output Voltage: 0.6V to VIN
Input Voltage: 2.7V to 5.5V
Peak Efficiency up to 95%
42µA (typ) No Load Quiescent Current
Shutdown Current: <1µA
100% Duty Cycle Operation
1.5MHz Switching Frequency
Internal Soft Start
No external Compensation Required
Current Limit Protection
Thermal Shutdown
SOP-8 Package
Typical Applications Circuit
Pin Assignments
Applications
5V or 3.3V Point of Load Conversion
Telecom/Networking Equipment
Set Top Boxes
Storage Equipment
Video Cards
DDR Power Supply
PAM2310
Document number: DSxxxxx Rev. 1 - 0
VO
=
0.6x⎜⎛1 +
R1
R2
⎟⎞
1 of 11
www.diodes.com
September 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM2310 Datasheet

2A LOW NOISE STEP-DOWN DC-DC CONVERTER

No Preview Available !

A Product Line of
Diodes Incorporated
PAM2310
Pin Descriptions
Pin
Name
NC
VIN
SW
GND
FB
NC
EN
NC
Package Name
Function
1 No Connected
2 Bias supply. Chip main power supply pin
3 The drains of the internalmain and synchronous power MOSFET.
4 GND
5 Feedback voltage to internal error amplifier, the threshold voltage is 0.6V.
6 No Connected
7
Enable control input. Force this pin voltage above 1.5V, enables the chip,
and below 0.3V shuts down the device.
8 No Connected
Functional Block Diagram
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may
affect device reliability. All voltages are with respect to ground.
Parameter
Input Voltage VIN
SW Pin Voltage
FB Pin Voltage
EN Pin Voltage
Maximum Junction Temperature
Storage Temperature Range
Soldering Temperature
Rating
6
-0.3 to (VIN +0.3)
-0.3 to (VIN +0.3)
-0.3 to 6.0
150
-65 to 150
300, 5sec
Unit
V
V
V
V
°C
°C
°C
PAM2310
Document number: DSxxxxx Rev. 1 - 0
2 of 11
www.diodes.com
September 2012
© Diodes Incorporated


Part Number PAM2310
Description 2A LOW NOISE STEP-DOWN DC-DC CONVERTER
Maker Diodes
Total Page 11 Pages
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