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PAM2316 Datasheet

FAST TRANSIENT 2A STEP-DOWN CONVERTER

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A Product Line of
Diodes Incorporated
PAM2316
2.5MHz, FAST TRANSIENT 2A STEP-DOWN CONVERTER
Description
The PAM2316 is a 2A step-down sync converter. The 2.5MHz
switching frequency enables the use of small external components.
The ultra-small 2mm x 2mm footprint and high efficiency make the
PAM2316 an ideal choice for portable applications.
The PAM2316 delivers A maximum output current while consuming
only 55µA no load quiescent current. Low RDS(ON) integrated
MOSFETs and 100 duty cycle operation make the PAM2316 the ideal
choice for high output voltage, high current applications which require
a low dropout threshold.
The PAM2316 provides excellent transient response and output
accuracy across the operating range.
The PAM2316 maintains high efficiency throughout the load range.
The PAM2316 automatically optimizes efficiency during light load
mode (PSM) and maintains constant frequency and low output ripple
during PWM mode.
Over-temperature and short circuit protection safeguard the PAM2316
and system components from damage.
The PAM2316 is available in a Pb-free, ultrasmall, low profile, 8-pin
2mmx2mm TDFN package. The product is rated over a temperature
range of -40°C to +85°C.
Features
2A Maximum Output Current
Tiny 1.0µH Chip Inductor
Excellent Transient Response
Input Voltage: 2.7V to 5.5V
Ultra-small, Low Profile 8-pin 2mmx2mm TDFN Package
Fixed or Adjustable Output Voltage
- Adjustable Output Voltage: 1.0V to 3.3V
High Efficiency with 2.5MHz Switching Frequency
55µA No Load Quiescent Current
100% Duty Cycle Low-Dropout Operation
Internal Soft Start
Over-Temperature and Current Limit Protection
<1µA Shutdown Current
-40°C to +85°C Temperature Range
Pb-Free/Halogen Free Package
RoHS/REACH Compliant
Pin Assignments
Applications
Cellular Phone
Digital Cameras
Hard Disk Drives
MP3 Players
PDAs and Handheld Computers
Portable Media Players
USB Devices
Wireless Network Cards
PAM2316
Document number: DSxxxxx Rev. 1 - 1
1 of 11
www.diodes.com
November 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM2316 Datasheet

FAST TRANSIENT 2A STEP-DOWN CONVERTER

No Preview Available !

Typical Applications Circuit
A Product Line of
Diodes Incorporated
PAM2316
VOUT = 0.6* (1+R1/R2)
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7, 8
Pin
Name
PGND
PVIN
VIN
FB
AGND
EN
SW
Function
Main power ground return pin. Connect to the output and input capacitor return.
Input power supply tied to the source of the high side P-channel MOSFET.
Power supply; supplies power for the internal circuitry.
Feedback input pin. Feedback voltage to internal error amplifier, the threshold voltage is 0.6V.
Analog ground. This pin is internally connected to the analog ground of the control circuitry.
Enable pin. A logic low disables the converter and it consumes less than 1μA of current.When connected high, it
resumes normal operation.
Switching node. Connect the inductor to this pin. It is internally connected to the drain of both high and low side
MOSFETs.
Functional Block Diagram
PAM2316
Document number: DSxxxxx Rev. 1 - 1
2 of 11
www.diodes.com
November 2012
© Diodes Incorporated


Part Number PAM2316
Description FAST TRANSIENT 2A STEP-DOWN CONVERTER
Maker Diodes
Total Page 11 Pages
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