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PDF UTCUZ1086 Data sheet ( Hoja de datos )
| Número de pieza | UTCUZ1086 | |
| Descripción | LINEAR INTEGRATED CIRCUIT | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UTC UZ1086 LINEAR INTEGRATED CIRCUIT
1.5A ADJUSTABLE/FIXED LOW
DROPOUT LINEAR REGULATOR
DESCRIPTION
The UTC UZ1086 and UZ1086-1.8V,2.5V, 2.85V, 3.3V
and 5V are low dropout three-terminal regulators with 1.5A
output current capability. These devices have been
optimized for low voltage where transient response and
minimum input voltage are critical. The 2.85V version is
designed specifically to be used in Active Terminators for
SCSI bus.
Current limit is trimmed to ensure specified output
current and controlled short-circuit current. On-chip thermal
limiting provides protection against any combination of
overload and ambient temperatures that would create
excessive junction temperatures.
Unlike PNP type regulators where up to 10% of the
output current is wasted as quiescent current, the
quiescent current of the UZ1086 flows into the load,
increasing efficiency.
FEATURES
*Low dropout voltage
*Load regulation: 0.05% typical
*Trimmed current limit
*On-chip thermal limiting
*Three-terminal adjustable or fixed 1.8V, 2.5V, 2.85V,
3.3V, 5V
APPLICATIONS
*Active SCSI terminators
*High efficiency linear regulators
*Post regulators for switching supplies
*Battery charges
*5V to 3.3V linear regulators
*Motherboard clock supplies
1
TO-263
1
TO-263-3
1
TO-220
1
1
TO-252
SOT-223
1: ADJ/GND 2: VOUT 3: VIN
UTC
UNISONIC TECHNOLOGIES CO. LTD 1
QW-R102-008,D
1 page  
UTC UZ1086 LINEAR INTEGRATED CIRCUIT
Figure 5.Minimum Load Current vs.Temperature
5
4
3
2
1
0
-75 -50 -25 0 25 50 75 100 125150 175
Junction Temperature(° C)
Figure 7. Short-Circuit Current vs.Temperature
2.0
1.7
5
1.5
1.25
1.0
-75 -50 -25 0 25 50 75 100 125150 175
Junction Temperature(° C)
Figure 6.Adjust Pin Current vs.Temperature
100
90 Note1.UZ1086 Only
80
70
60
50
40
30
20
10
0
-75 -50 -25 0 25 50 75 100 125150 175
Junction Temperature(° C)
Figure 8. Ripple Rejection vs.Frequency
90
80
70
60
50
40
30
20 VIN-VOUT=3V
10
0.5<VRIPPLE<2V
IOUT=1A
0
10 100 1K
10K
Frequency (Hz)
100K
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UTC UNISONIC TECHNOLOGIES CO. LTD
5
QW-R102-008,D
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet UTCUZ1086.PDF ] | |
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