UTCU584 Datasheet, PDF (2/6 Pages) Unisonic Technologies – 3~8 AMP 5V TO 3.3V VOLTAGE CONVERSION REGULATOR

UTCU584/5/7 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
VIN
Power Dissipation
PD
Operating Junction
TJ
Temperature Range
Storage Temperature
TSTG
Lead Temperature
TLEAD
( Soldering 10 Sec. )
VALUE
7
Internally Limited
0 to 125
-65 to 150
300
UNIT
V
W
°C
°C
°C
ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Reference Voltage U584
1.3V<=(VIN-VOUT)<=3V, 10mA<=IOUT<=8A * 1.225
(-2%)
U585
1.3V<=(VIN-VOUT)<=3V, 10mA<=IOUT<=5A ,
TYP MAX UNIT
1.25 1.275 V
(+2%)
U587
1.3V<=(VIN-VOUT)<=3V, 10mA<=IOUT<=3A
Line Regulation
(Note 1.2)
U584/5/7
2.75V<=VIN<=7V,IOUT= IFULLLOAD
Load Regulation
(Note 1, 2, 3)
U584/5/7
VIN-VOUT=1.3V.Tj=25°C,
*
10mA<=IOUT<=IFULLLOAD
Dropout Voltage
U584/5/7
¦ ¤VREF=1%,IOUT= IFULLLOAD
Tj>=25°C
Tj<=25°C
U584
VIN-VOUT =1.3 V
* 8.0
Current Limit (Note 3) U585
VIN-VOUT =1.3 V
5.0
U587
VIN-VOUT =1.3 V
* 3.0
Adjust Pin Current U584/5/7
Adjust Pin Current U584/5/7
Change (Note 3)
1.5V<=(VIN-VOUT) <=3 V,
10mA<=IOUT<=IFULLLOAD
Minimum Load
Current
U584/5/7
1.5V<=(VIN-VOUT) <=3V,
*
Quiescent Circuit
Current
U584/5/7
VIN<=5V
*
Ripple Rejection
U584/5/7 f=120Hz,COUT=25µATant, VIN-VOUT =1.3 V ,
60
IOUT= IFULLLOAD
Temperature Stability
Long-Term Stability
TA=25°C,1000Hrs
RMS Output Noise
( % of VOUT )
TA=125°C,10Hz<=f<=10kHz
Thermal Resistance U584
Junction to Case
U585/7
0.1 0.2 %
0.2 1.0 %
1.2 1.3 V
1.2 1.35 V
8.5
A
5.5
A
3.6
A
55 120 µA
0.2 5 mA
2 10 mA
8 13 mA
72
dB
0.5
%
0.03 1.0 %
0.03
%
1.6 °C /W
3.0 °C /W
The * denotes specifications which apply over the specified operating temperature range.
Note 1: Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing.
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
QW-R102-003,A