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LD1580P2T-R Datasheet(PDF) 7 Page - STMicroelectronics

Part No. LD1580P2T-R
Description  7 A very low drop positive voltage regulator adjustable
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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LD1580P2T-R Datasheet(HTML) 7 Page - STMicroelectronics

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LD1580XX
Electrical characteristics
7/15
5
Electrical characteristics
Table 4.
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 7A
1.225
1.250
1.275
ΔVO
Line regulation
VCONTROL=2.5 V to 12 V
VPOWER=1.75 V to 5.5 V, IOUT=10 mA
0.08
0.24
%
ΔVO
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
610
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
µA
IOUT
Output current limit
VCONTROL=2.75 V, VPOWER=2.05 V
(1)
1.
Measured when the VOUT voltage drops below 100 mV with respect to its nominal value.
89
A
SVR
Supply voltage rejection
VCONTROL=VPOWER=3.75 V Avg
VRIPPLE=1 VP-P, IOUT=4 A, TJ=25 °C
61.5
81.5
dB
VDC
Minimum VCONTROL
voltage, (VCONTROL-VO)
VPOWER=2.05 V, IOUT=100 mA
(2)
2.
Measured when the VOUT voltage drops below 2 % with respect to its nominal value.
0.95
1.15
V
VPOWER=2.05 V, IOUT=1 A
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
Minimum VPOWER voltage
(VPOWER-VO)
VCONTROL=2.75 V, IOUT=1 A
(2)
0.05
0.15
V
VCONTROL=2.75 V, IOUT=4 A
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


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