LD1580 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
LD1580 Datasheet PDF : 18 Pages
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LD1580
ELECTRICAL CHARACTERISTICS FOR LD1580 ( Tj = - 40 °C to 125 °C, CP=330 µF, CC=10 µF,
COUT=100 µF, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VCONTROL=2.75 V, VPOWER=2 V
Tj=25 °C, IOUT=10 mA
1.237 1.250 1.263 V
VCONTROL=2.7 V to 12 V
VPOWER=2.05 V to 5.5 V
IOUT=0.01 to 7 A
1.225 1.250 1.275
∆VO Line Regulation
VCONTROL=2.5 V to 12 V
VPOWER=1.75 V to 5.5 V
IOUT=10 mA
0.08 0.24
%
∆VO Load Regulation
VCONTROL=2.75 V, VPOWER=2.1 V
IOUT=0.01 to 7 A
0.08 0.4
%
IC VCONTROL Pin Current
VCONTROL=2.75 V, VPOWER=2.05 V
IOUT=100 mA
6
10
mA
VCONTROL=2.75 V, VPOWER=2.05 V
IOUT=4 A
30
60
VCONTROL=2.75 V, VPOWER=1.75 V
IOUT=4 A
33
70
VCONTROL=2.75 V, VPOWER=2.05 V
IOUT=7 A
60 120
IADJ Adjust Pin Current
VCONTROL=2.75 V, VPOWER=2.05 V
IOUT=10 mA
50 120 mA
IOUT Output Current Limit
VCONTROL=2.75 V, VPOWER=2.05 V (Note
8
9
A
1)
SVR Supply Voltage Rejection VCONTROL=VPOWER=3.75 V Avg
61.5 81.5
dB
VRIPPLE=1 VP-P
IOUT=4 A, Tj=25 °C
VDC
Minimun VCONTROL Voltage VPOWER=2.05 V, IOUT=100 mA
(VCONTROL-VO)
VPOWER=2.05 V, IOUT=1 A
(Note 2)
0.95 1.15
V
0.95 1.15
VPOWER=2.05 V, IOUT=4 A
1
1.2
VPOWER=2.05 V, IOUT=7 A
1.05 1.3
VDP Minimun VPOWER Voltage VCONTROL=2.75 V, IOUT=1 A
(VPOWER-VO)
VCONTROL=2.75 V, IOUT=4 A
(Note 2)
0.05 0.15
V
0.2
0.4
VCONTROL=2.75 V, IOUT=7 A
0.4
0.6
TSHDN Shutdown Temperature
Threshold
170
°C
THYST Thermal Shutdown
Hysteresis
5
°C
Note 1: Measured when the VOUT voltage drops below 100mV with respect to its nominal value.
Note 2: Measured when the VOUT voltage drops below 2% with respect to its nominal value.
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