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PAM2401 Datasheet

1.0MHz STEP-UP DC-DC CONVERTER

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A Product Line of
Diodes Incorporated
PAM2401
1.0MHz STEP-UP DC-DC CONVERTER
Description
The PAM2401 is a high efficiency, current mode, fixed frequency,
step-up DC/DC converter with true output disconnect and inrush
current limiting. The device includes one 0.10N-channel MOSFET
switch and one 0.15P-channel synchronous rectifier. This product
has the ability to simply program the output voltage from 2.5V to
5.0V.The switching frequency is 1.0MHz, programmable current limit
set by an external resistor from 1.0A to 3.0A with internal soft-start.
When loading became light, the converter will automatically enter into
PSM to improve the efficiency.
Quiescent current is only 150µA during Pulse Skip Mode operation,
maximizing battery life in portable applications. Other features include
: <1µA shutdown, anti-ringing control, Hiccup mode at short
protection, over voltage protection and over temperature protection.
The PAM2401 is available in MSOP-8 and U-DFN3030-12 packages
Pin Assignments
Features
Up to 95% Efficiency
True Output Disconnect
Inrush Current Limiting When Power On
Output Current up to 1000mA at VIN = 3V and VOUT = 5.0V
Fixed Frequency Operation Up to 1MHz
0.9V to 4.75V Input Range
2.5V to 5.0V Adjustable Output Voltage
Guaranteed 1.0V Start-Up
Programmable Current Limit
Internal Soft-Start
Internal Compensation
Pulse Sipping Mode at Light Load Operation
Hiccup Mode Short Protection
Over Voltage Protection
Over Temperature Protection
<1µA Shutdown Current
Power Good Indicator
MSOP-8 and U-DFN3030-12 packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
Handheld Computers
Cordless Phones
GPS Receivers
Battery Backup Supplies
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
PAM2401
Document number: DS37285 Rev. 1 - 2
1 of 10
www.diodes.com
May 2014
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM2401 Datasheet

1.0MHz STEP-UP DC-DC CONVERTER

No Preview Available !

Typical Applications Circuit
A Product Line of
Diodes Incorporated
PAM2401
Pin Descriptions
MSOP-8
1
2
3
--
4
5
6
7
8
U-DFN3030-12
1,2
3
4
5
6
7
8
9,10
11,12
Exposed Pad
Name
LX
EN
VIN
PG
AGND
FB
RSET
OUT
PGND
EP
Function
Switch Pin
Enables Control Input.
Input Voltage Pin
Power Good Indicator Pin, Open Drain Output
Analog Ground
Feedback Pin Internally Set to 0.6V.
Current Limit Setting
Output Pin
Power Ground
Thermal Pad of the Package. Can Be Connected to PGND
Functional Block Diagram
PAM2401
Document number: DS37285 Rev. 1 - 2
2 of 10
www.diodes.com
May 2014
© Diodes Incorporated


Part Number PAM2401
Description 1.0MHz STEP-UP DC-DC CONVERTER
Maker Diodes
Total Page 10 Pages
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