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L6932H1.2TR Scheda tecnica(PDF) 1 Page - STMicroelectronics

Il numero della parte L6932H1.2TR
Spiegazioni elettronici  High performance 2A ULDO linear regulator
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6932H1.2TR Scheda tecnica(HTML) 1 Page - STMicroelectronics

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May 2007
Rev 2
1/13
13
L6932H1.2
High performance 2A ULDO linear regulator
Features
2V to 14V input voltage range
200mΩ rDS(on) max
200µA quiescent current at any load
Excellent load and line regulation
Adjustable from 1.2V to 5V
1% voltage regulation accuracy
Short circuit protection
Thermal shut down
HSOP8 package
Applications
Motherboards
Mobile PC
Hand-held instruments
PCMCIA Cards
Processors I/O
Chipset and RAM supply
Description
The L6932 Ultra Low Drop Output linear regulator
operates from 2V to 14V and is able to support
output current up to 2A. Designed with an interna
l
50m
Ω N-channel Mosfet, it can be used for
onboard DC-DC conversions saving in real
estate, list of components, low noise generation
and power dissipation.
L6932H1.2 is available as adjustable version from
1.2V to 5V with a voltage regulation accuracy of
1%.
The upper current limit is fixed at 2.5A to control
the current in short circuit condition within ±8%.
The current is sensed in the power mos in order
to limit the power dissipation.
The device is also provided with a thermal shut
down that limits the internal temperature at 150°C
with a histeresys of 20°C. L6932H1.2 provides the
Enable and the Power good functions.
HSO-8
www.st.com
Figure 1.
Typical operating circuit
L6932H1.2
R1
R2
R3
C1
C2
Vout=1.2V to 5V
Vin=2V to 14V
1
2
3
4
5
6
7
8
EN
Vin
Vout
PGOOD
FB
GND
NC2
NC1
L6932H1.2
R1
R2
R3
C1
C2
Vout=1.2V to 5V
Vin=2V to 14V
1
2
3
4
5
6
7
8
EN
Vin
Vout
PGOOD
FB
GND
NC2
NC1
Table 1. Device summary
Part number
Package
Packaging
L6932H1.2
HSO-8
Tube
L6932H1.2TR
HSO-8
Tape and reel


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