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PAM3108 Datasheet

ULTRA LOW DROPOUT REGULATOR

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A Product Line of
Diodes Incorporated
PAM3108
MAXIMUM 1.5A, ULTRA LOW DROPOUT REGULATOR
Description
The PAM3108 is a high performance positive voltage regulator
designed for use in applications requiring very low Input voltage and
very low dropout voltage at up to 1.5A. It operates with a VIN as low
as 1.1V and VDD voltage 3V with output voltage programmable as low
as 0.8V. The significant feature includes ultra low dropout, ideal for
applications where VOUT is very close to VIN. Additionally, there is an
enable pin to further reduce power dissipation while shutdown. The
PAM3108 provides excellent regulation over variations in line, load,
temperature and provides a power OK signal to indicate if the voltage
level of Vo reaches 90% of its rating value.
The PAM3108 is available with SOP-8 (Exposed Pad) and WDFN-
10L 3x3 packages.
Pin Assignments
Features
Maximum 1.5A Low-Dropout Voltage Regulator
High Accuracy Output Voltage ±1.5%
Typically 150mV Dropout at 1.5A
Power Good Output
Output Voltage Pull Low Resistance when Disabled
Thermal and Over Current Protection
RoHS Compliant and 100% Lead (Pb)-Free
Typical Applications Circuit
Applications
Front Side Bus VTT (1.2V/1.5A)
NoteBook PC Applications
Motherboard Applications
PAM3108
Document number: DSxxxxx Rev. 1 - 0
VO = 0.8V*(1+R1/R2)
1 of 11
www.diodes.com
October 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

PAM3108 Datasheet

ULTRA LOW DROPOUT REGULATOR

No Preview Available !

A Product Line of
Diodes Incorporated
PAM3108
Pin Configuration and Description
Pin Name
VIN
EN
CTRL
POK
ADJ
VOUT
NC
GND
Pin Number
SOP-8(EP)
W-DFN3x3-10
3 7, 8, 9
26
4 10
15
74
6 1, 2, 3
5
8, Exposed Pad
Exposed Pad (9)
(11)
Function
Supply Input Voltage.
Chip Enable (Active-High).
Supply Voltage of ControlCircuitry.
Power Good Open Drain Output.
Set the output voltage by the feedback resistors. VO = 0.8V x (R1 + R2)/R2.
Output Voltage.
No Internal Connection.
Ground. The exposed pad must be soldered to a large PCB and connected to GND
formaximum powe r dissipation.
Functional Block Diagram
PAM3108
Document number: DSxxxxx Rev. 1 - 0
2 of 11
www.diodes.com
October 2012
© Diodes Incorporated


Part Number PAM3108
Description ULTRA LOW DROPOUT REGULATOR
Maker Diodes
Total Page 11 Pages
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