LD1580P2M [STMICROELECTRONICS]

ADJUSTABLE POSITIVE LDO REGULATOR, 1.3V DROPOUT, PSSO4, P2PAK-4;
LD1580P2M
型号: LD1580P2M
厂家: ST    ST
描述:

ADJUSTABLE POSITIVE LDO REGULATOR, 1.3V DROPOUT, PSSO4, P2PAK-4

输出元件 调节器
文件: 总18页 (文件大小:175K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
LD1580  
7 A VERY LOW DROP POSITIVE VOLTAGE REGULATOR  
ADJUSTABLE AND FIXED  
PRELIMINARY DATA  
OUTPUT CURRENT LIMIT  
LOW DROPOUT VOLTAGE: TYPICALLY  
400mV AT 7A OUTPUT CURRENT  
OUTPUT VOLTAGE REMOTE SENSE PIN  
FAST TRANSIENT RESPONSE  
THERMAL SHUTDOWN PROTECTION  
WITH HYSTERESIS  
TM  
TM  
HEPTAWATT  
PENTAWATT  
WIDE OPERATING TEMPERATURE RANGE  
-40°C TO 125°C  
NO SUPPLY SEQUENCING PROBLEMS IN  
DUAL SUPPLY MODE  
OUTPUT VOLTAGES AVAILABLE 1.5 V, 1.8V,  
2.5 V, 3.0 V, 3.3 V ADJUSTABLE.  
5
1
2
P PAK  
DESCRIPTION  
The LD1580 is a very low dropout positive linear  
voltage regulator particularly suitable in  
applications requiring output currents up to 7 A.  
The LD1580 typical dropout voltage is 400mV at  
7A  
lighter loads.  
This very low dropout is achieved thanks to a  
second input voltage pin, named V  
which is also responsable of the output power  
stage driving.  
while  
it  
decreases  
at  
SPAK-5L  
SPAK-7L  
output voltage variations that could occur due to  
load changes.  
On fixed voltage devices, the ADJ pin is still  
available. A small capacitor on this pin helps to  
improve transient response.  
,
CONTROL  
The LD1580 is provided with an output voltage  
remote sense pin which reduces dramatically any  
SCHEMATIC DIAGRAM  
July 2002  
1/18  
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.  
LD1580  
The LD1580 also features a built-in output current  
limit function and a thermal shutdown protection  
with hysteresis which prevents from excessive  
power dissipation in case of insufficient  
heatsinking. On chip trimming allows the regulator  
to reach a very tight output voltage tolerance,  
within ±2% at the maximum output current and  
over the full temperature range.  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Value  
Unit  
V
DC V  
DC V  
voltage  
from -0.3 to 6  
from -0.3 to 13  
Internally Limited  
Internally Limited  
-55 to +150  
V
V
POWER  
POWER  
V
voltage  
CONTROL  
CONTROL  
I
Output Current  
Power Dissipation  
A
OUT  
P
W
°C  
°C  
D
T
Storage Temperature Range  
stg  
T
Operating Junction Temperature Range  
-40 to +125  
op  
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is  
not implied.  
THERMAL DATA  
TM  
PENTAWATT  
HEPTAWATT  
SPAK-5L  
SPAK-7L  
2
Symbol  
Parameter  
Unit  
P PAK  
TM  
R
Thermal Resistance Junction-case  
Thermal Resistance Junction-ambient  
3
3
2
°C/W  
°C/W  
thj-case  
R
50  
62.5  
TBD  
thj-amb  
CONNECTION DIAGRAM (top view)  
TM  
TM  
HEPTAWATT  
PENTAWATT  
2
P PAK  
SPAK-5L  
SPAK-7L  
2/18  
LD1580  
ORDERING CODES  
2
PENTAWATT  
SPAK-5L (*)  
SPAK-7L (*)  
HEPTAWATT  
OUTPUT VOLTAGE  
P PAK (*)  
LD1580K7-15  
LD1580K7-18  
LD1580K7-25  
LD1580K7-30  
LD1580K7-33  
LD1580V7V15  
LD1580V7V18  
LD1580V7V25  
LD1580V7V30  
LD1580V7V33  
1.5V  
1.8V  
2.5V  
3.0V  
3.3V  
LD1580P2M  
LD1580V5V  
LD1580K5  
Adjustable  
(*) Available in Tape & Reel with the suffix ”R” for fixed version and ”-R” for adjustable version.  
TYPICAL APPLICATION CIRCUITS FOR FIXED VERSION  
TYPICAL APPLICATION CIRCUITS FOR ADJUSTABLE VERSION  
R
R
2
1
V
= V  
(1 +  
REF  
)
O
3/18  
LD1580  
ELECTRICAL CHARACTERISTICS FOR LD1580xx15 ( T = -40 °C to 125 °C, C =330 µF, C =10 µF,  
j
P
C
C
=100 µF, unless otherwise specified)  
OUT  
Symbol  
Parameter  
Output Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
V
=4 V, V =2.3 V  
POWER  
1.485  
1.5  
1.515  
V
O
CONTROL  
T =25 °C, I  
=0 mA  
j
OUT  
V
V
=3 V to 12 V  
=2.1 V to 5.5 V  
1.470  
1.5  
1.530  
CONTROL  
POWER  
I
=0 to 7 A  
OUT  
V  
V  
Line Regulation  
V
V
=2.65 V to 12 V  
CONTROL  
0.08  
0.24  
%
O
O
=2 V to 5.5 V  
POWER  
I
=10 mA  
OUT  
Load Regulation  
V
=4 V, V  
=4 V, V  
=4 V, V  
=2.3 V  
=2.3 V  
=2.3 V  
0.08  
6
0.4  
10  
%
CONTROL  
POWER  
POWER  
POWER  
I
=0 to 7 A  
OUT  
I
VCONTROL Pin Current  
V
I
mA  
C
CONTROL  
=100 mA  
OUT  
V
30  
33  
60  
5
60  
CONTROL  
I
=4 A  
OUT  
VCONTROL=4 V, VPOWER=2 V  
70  
I
=4 A  
OUT  
V
=4 V, V  
=2.3 V  
=2.3 V  
=2.3 V  
120  
10  
CONTROL  
POWER  
POWER  
POWER  
I
=7 A  
OUT  
I
Quiescent Current  
V
=4 V, V  
mA  
Q
CONTROL  
I
=0 A  
OUT  
I
Output Current Limit  
V
1)  
V
=4 V, V  
=V  
(Note  
8
9
A
OUT  
CONTROL  
SVR Supply Voltage Rejection  
=4 V Avg,  
60  
80  
dB  
CONTROL  
POWER  
V
=1 V  
P-P  
RIPPLE  
I
=4 A, T =25 °C  
j
OUT  
V
V
Minimun VCONTROL Voltage  
V
V
V
V
V
V
V
=2.3 V, I  
=2.3 V, I  
=2.3 V, I  
=2.3 V, I  
=100 mA  
=1 A  
(Note 2)  
(Note 2)  
0.95  
0.95  
1
1.15  
1.15  
1.2  
V
V
DC  
DP  
POWER  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
(VCONTROL-V )  
O
POWER  
=4 A  
POWER  
=7 A  
1.05  
0.05  
0.2  
1.3  
POWER  
Minimun VPOWER Voltage  
=4 V, I  
=4 V, I  
=4 V, I  
=1 A  
0.15  
0.4  
CONTROL  
CONTROL  
CONTROL  
(VPOWER-V )  
O
=4 A  
=7 A  
0.4  
0.6  
T
Shutdown Temperature  
Threshold  
170  
°C  
°C  
SHDN  
T
Thermal Shutdown  
Hysteresis  
5
HYST  
4/18  
LD1580  
ELECTRICAL CHARACTERISTICS FOR LD1580xx18 ( T = -40 °C to 125 °C, C =330 µF, C =10 µF,  
j
P
C
C
OUT  
=100 µF, unless otherwise specified)  
Symbol  
Parameter  
Output Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
V
=4 V, V =2.6 V  
POWER  
1.782  
1.8  
1.818  
V
O
CONTROL  
T =25 °C, I  
=0 mA  
j
OUT  
V
V
=3.3 V to 12 V  
1.764  
1.8  
1.836  
CONTROL  
=2.4 V to 5.5 V  
POWER  
I
=0 to 7 A  
OUT  
V  
Line Regulation  
Load Regulation  
V
V
=2.95 V to 12 V  
CONTROL  
0.08  
0.24  
%
O
O
=2.3 V to 5.5 V  
POWER  
I
=10 mA  
OUT  
V  
V
=4.3 V, V  
=4.3 V, V  
=4.3 V, V  
=4.3 V, V  
=4.3 V, V  
=4.3 V, V  
=4.3 V, V  
=2.6 V  
0.08  
6
0.4  
10  
%
CONTROL  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
I
=0 to 7 A  
OUT  
I
V
Pin Current  
V
CONTROL  
=2.6 V  
mA  
C
CONTROL  
I
=100 mA  
OUT  
V
=2.6 V  
30  
33  
60  
5
60  
CONTROL  
I
=4 A  
OUT  
V
=2.3 V  
70  
CONTROL  
I
=4 A  
OUT  
V
=2.6 V  
120  
10  
CONTROL  
I
=7 A  
OUT  
I
Quiescent Current  
V
=2.6 V  
mA  
Q
CONTROL  
I
=0 A  
OUT  
I
Output Current Limit  
V
=2.6 V (Note  
8
9
A
OUT  
CONTROL  
1)  
V
SVR Supply Voltage Rejection  
=V  
=4.3 V Avg,  
58.4  
78.4  
dB  
CONTROL  
POWER  
V
=1 V  
P-P  
RIPPLE  
I
=4 A, T =25 °C  
j
OUT  
V
V
Minimun V  
Voltage  
V
V
V
V
V
V
V
=2.6 V, I  
=2.6 V, I  
=2.6 V, I  
=2.6 V, I  
=100 mA  
=1 A  
(Note 2)  
(Note 2)  
0.95  
0.95  
1
1.15  
1.15  
1.2  
V
V
DC  
DP  
CONTROL  
POWER  
OUT  
OUT  
OUT  
OUT  
(V  
-V )  
CONTROL  
O
POWER  
=4 A  
POWER  
=7 A  
1.05  
0.05  
0.2  
1.3  
POWER  
Minimun V  
Voltage  
=4.3 V, I  
=4.3 V, I  
=4.3 V, I  
=1 A  
=4 A  
=7 A  
0.15  
0.4  
POWER  
CONTROL  
CONTROL  
CONTROL  
OUT  
OUT  
OUT  
(V  
-V )  
O
POWER  
0.4  
0.6  
T
Shutdown Temperature  
Threshold  
170  
°C  
°C  
SHDN  
T
Thermal Shutdown  
Hysteresis  
5
HYST  
5/18  
LD1580  
ELECTRICAL CHARACTERISTICS FOR LD1580xx25 (T = -40 °C to 125 °C, C =330 µF, C =10 µF,  
j
P
C
C
=100 µF, unless otherwise specified)  
OUT  
Symbol  
Parameter  
Output Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
V
=5 V, V =3.3 V  
POWER  
2.475  
2.5  
2.525  
V
O
CONTROL  
T =25 °C, I  
=0 mA  
j
OUT  
V
V
I
=4 V to 12 V  
=3.1 V to 5.5 V  
=0 to 7 A  
2.450  
2.5  
2.550  
0.24  
CONTROL  
POWER  
OUT  
V  
V  
Line Regulation  
Load Regulation  
V
=3.65 V to 12 V  
CONTROL  
0.08  
%
O
O
V
=3 V to 5.5 V  
=10 mA  
POWER  
I
OUT  
V
=5 V, V  
=5 V, V  
=5 V, V  
=5 V, V  
=5 V, V  
=5 V, V  
=5 V, V  
=3.3 V  
=3.3 V  
=3.3 V  
=3 V  
0.08  
6
0.4  
10  
%
CONTROL  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
I
=0 to 7 A  
OUT  
I
V
Pin Current  
V
CONTROL  
mA  
C
CONTROL  
I
=100 mA  
OUT  
V
30  
33  
60  
5
60  
CONTROL  
I
=4 A  
OUT  
V
70  
CONTROL  
I
=4 A  
OUT  
V
=3.3 V  
=3.3 V  
=3.3 V  
120  
10  
CONTROL  
I
=7 A  
OUT  
I
Quiescent Current  
V
mA  
Q
CONTROL  
I
=0 A  
OUT  
I
Output Current Limit  
V
8
9
A
OUT  
CONTROL  
(Note1)  
SVR Supply Voltage Rejection  
V
V
=V  
=5 V Avg,  
55.5  
75.5  
dB  
CONTROL  
POWER  
=1 V  
RIPPLE  
P-P  
I
=4 A, T =25 °C  
j
OUT  
V
V
Minimun V  
Voltage  
V
V
V
V
V
V
V
=3.3 V, I  
=3.3 V, I  
=3.3 V, I  
=3.3 V, I  
=5 V, I  
=100 mA  
=1 A  
(Note 2)  
(Note 2)  
0.95  
0.95  
1
1.15  
1.15  
1.2  
V
V
DC  
DP  
CONTROL  
POWER  
POWER  
POWER  
POWER  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
(V  
-V )  
CONTROL  
O
=4 A  
=7 A  
1.05  
0.05  
0.2  
1.3  
Minimun V  
Voltage  
=1 A  
0.15  
0.4  
POWER  
CONTROL  
CONTROL  
CONTROL  
(V  
-V )  
O
POWER  
=5 V, I  
=5 V, I  
=4 A  
=7 A  
0.4  
0.6  
T
Shutdown Temperature  
Threshold  
170  
°C  
°C  
SHDN  
T
Thermal Shutdown  
Hysteresis  
5
HYST  
6/18  
LD1580  
ELECTRICAL CHARACTERISTICS FOR LD1580xx30 (T = -40 °C to 125 °C, C =330 µF, C =10 µF,  
j
P
C
C
OUT  
=100 µF, unless otherwise specified)  
Symbol  
Parameter  
Output Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
V
=5.5 V, V =3.8 V  
POWER  
2.970  
3
3.030  
V
O
CONTROL  
T =25 °C, I  
=0 mA  
j
OUT  
V
V
=4.5 V to 12 V  
2.940  
3
3.060  
0.24  
CONTROL  
=3.6 V to 5.5 V  
=0 to 7 A  
POWER  
I
OUT  
V  
Line Regulation  
Load Regulation  
V
V
=4.15 V to 12 V  
CONTROL  
0.08  
%
O
O
=3.5 V to 5.5 V  
POWER  
I
=10 mA  
OUT  
V  
V
I
=5.5 V, V  
=5.5 V, V  
=5.5 V, V  
=5.5 V, V  
=5.5 V, V  
=5.5 V, V  
=5.5 V, V  
=3.8 V  
0.08  
6
0.4  
10  
%
CONTROL  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
=0 to 7 A  
OUT  
I
V
Pin Current  
V
CONTROL  
I
=3.8 V  
mA  
C
CONTROL  
=100 mA  
OUT  
V
I
=3.8 V  
30  
33  
60  
5
60  
CONTROL  
=4 A  
OUT  
V
I
=3.5 V  
70  
CONTROL  
=4 A  
OUT  
V
I
=3.8 V  
120  
10  
CONTROL  
=7 A  
OUT  
I
Quiescent Current  
V
I
=3.8 V  
mA  
Q
CONTROL  
=0 A  
OUT  
I
Output Current Limit  
V
=3.8 V (Note  
8
9
A
OUT  
CONTROL  
1)  
V
SVR Supply Voltage Rejection  
=V  
=5.5 V Avg,  
54  
74  
dB  
CONTROL  
POWER  
V
=1 V  
P-P  
RIPPLE  
I
=4 A, T =25 °C  
j
OUT  
V
V
Minimun V  
Voltage  
V
V
V
V
V
V
V
=3.8 V, I  
=3.8 V, I  
=3.8 V, I  
=3.8 V, I  
=100 mA  
=1 A  
(Note 2)  
(Note 2)  
0.95  
0.95  
1
1.15  
1.15  
1.2  
V
V
DC  
DP  
CONTROL  
POWER  
OUT  
OUT  
OUT  
OUT  
(V  
-V )  
CONTROL  
O
POWER  
=4 A  
POWER  
=7 A  
1.05  
0.05  
0.2  
1.3  
POWER  
Minimun V  
Voltage  
=5.5 V, I  
=5.5 V, I  
=5.5 V, I  
=1 A  
=4 A  
=7 A  
0.15  
0.4  
POWER  
CONTROL  
CONTROL  
CONTROL  
OUT  
OUT  
OUT  
(V  
-V )  
O
POWER  
0.4  
0.6  
T
Shutdown Temperature  
Threshold  
170  
°C  
°C  
SHDN  
T
Thermal Shutdown  
Hysteresis  
5
HYST  
7/18  
LD1580  
ELECTRICAL CHARACTERISTICS FOR LD1580xx33 (T = -40 °C to 125 °C, C =330 µF, C =10 µF,  
j
P
C
C
OUT  
=100 µF, unless otherwise specified)  
Symbol  
Parameter  
Output Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
V
=5.8 V, V =4.1 V  
POWER  
3.267  
3.3  
3.333  
V
O
CONTROL  
T =25 °C, I  
=0 mA  
j
OUT  
V
V
=4.8 V to 12 V  
=3.9 V to 5.5 V  
=0 to 7 A  
3.234  
3.3  
3.366  
0.24  
CONTROL  
POWER  
I
OUT  
V  
V  
Line Regulation  
Load Regulation  
V
V
=4.45 V to 12 V  
CONTROL  
0.08  
%
O
O
=3.8 V to 5.5 V  
POWER  
I
=10 mA  
OUT  
V
I
=5.8 V, V  
=5.8 V, V  
=5.8 V, V  
=5.8 V, V  
=5.8 V, V  
=5.8 V, V  
=5.8 V, V  
=4.1 V  
0.08  
6
0.4  
10  
%
CONTROL  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
=0 to 7 A  
OUT  
I
V
Pin Current  
V
CONTROL  
I
=4.1 V  
mA  
C
CONTROL  
=100 mA  
OUT  
V
I
=4.1 V  
30  
33  
60  
CONTROL  
=4 A  
OUT  
V
I
=3.8 V  
70  
CONTROL  
=4 A  
OUT  
V
I
=4.1 V  
60  
5
120  
10  
CONTROL  
=7 A  
OUT  
I
Quiescent Current  
V
I
=4.1 V  
mA  
A
Q
CONTROL  
=0 A  
OUT  
I
Output Current Limit  
V
=4.1 V (Note  
8
9
OUT  
CONTROL  
1)  
SVR Supply Voltage Rejection  
V
V
=V  
=5.8 V Avg,  
53.1  
73.1  
dB  
CONTROL  
POWER  
=1 V  
RIPPLE  
P-P  
I
=4 A, T =25 °C  
j
OUT  
V
V
Minimun V  
Voltage  
V
V
V
V
V
V
V
=4.1 V, I  
=4.1 V, I  
=4.1 V, I  
=4.1 V, I  
=100 mA  
=1 A  
(Note 2)  
(Note 2)  
0.95  
0.95  
1
1.15  
1.15  
1.2  
V
V
DC  
DP  
CONTROL  
POWER  
OUT  
OUT  
OUT  
OUT  
(V  
-V )  
CONTROL  
O
POWER  
=4 A  
POWER  
=7 A  
1.05  
0.05  
0.2  
1.3  
POWER  
Minimun V  
Voltage  
=5.8 V, I  
=5.8 V, I  
=5.8 V, I  
=1 A  
=4 A  
=7 A  
0.15  
0.4  
POWER  
CONTROL  
CONTROL  
CONTROL  
OUT  
OUT  
OUT  
(V  
-V )  
O
POWER  
0.4  
0.6  
T
Shutdown Temperature  
Threshold  
170  
°C  
°C  
SHDN  
T
Thermal Shutdown  
Hysteresis  
5
HYST  
8/18  
LD1580  
ELECTRICAL CHARACTERISTICS FOR LD1580 ( T = - 40 °C to 125 °C, C =330 µF, C =10 µF,  
j
P
C
C
=100 µF, unless otherwise specified)  
OUT  
Symbol  
Parameter  
Output Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
V
V
=2.75 V, V =2 V  
POWER  
1.237 1.250 1.263  
V
O
CONTROL  
T =25 °C, I  
=10 mA  
j
OUT  
V
V
=2.7 V to 12 V  
=2.05 V to 5.5 V  
1.225 1.250 1.275  
CONTROL  
POWER  
I
=0.01 to 7 A  
OUT  
V  
V  
Line Regulation  
Load Regulation  
V
V
=2.5 V to 12 V  
CONTROL  
0.08  
0.24  
%
O
O
=1.75 V to 5.5 V  
POWER  
I
=10 mA  
OUT  
V
=2.75 V, V  
=2.1 V  
0.08  
6
0.4  
10  
%
CONTROL  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
POWER  
I
=0.01 to 7 A  
OUT  
I
V
Pin Current  
V
=2.75 V, V  
=2.75 V, V  
=2.75 V, V  
=2.75 V, V  
=2.75 V, V  
=2.05 V  
=2.05 V  
=1.75 V  
=2.05 V  
=2.05 V  
=2.05 V (Note  
mA  
C
CONTROL  
CONTROL  
I
=100 mA  
OUT  
V
30  
33  
60  
50  
60  
CONTROL  
I
=4 A  
OUT  
V
70  
CONTROL  
I
=4 A  
OUT  
V
120  
120  
CONTROL  
I
=7 A  
OUT  
I
Adjust Pin Current  
V
I
mA  
ADJ  
CONTROL  
=10 mA  
OUT  
I
Output Current Limit  
V
=2.75 V, V  
CONTROL  
8
9
A
OUT  
1)  
SVR Supply Voltage Rejection  
V
V
=V  
=3.75 V Avg  
61.5  
81.5  
dB  
CONTROL POWER  
=1 V  
RIPPLE  
P-P  
I
=4 A, T=25 °C  
j
OUT  
V
Minimun V  
(V  
Voltage  
V
V
V
V
V
V
V
=2.05 V, I  
=2.05 V, I  
=2.05 V, I  
=2.05 V, I  
=100 mA  
=1 A  
(Note 2)  
(Note 2)  
0.95  
0.95  
1
1.15  
1.15  
1.2  
V
V
DC  
CONTROL  
POWER  
OUT  
OUT  
OUT  
OUT  
-V )  
CONTROL  
O
POWER  
=4 A  
POWER  
=7 A  
1.05  
0.05  
0.2  
1.3  
POWER  
V
Minimun V  
Voltage  
=2.75 V, I  
=2.75 V, I  
=2.75 V, I  
=1 A  
=4 A  
=7 A  
0.15  
0.4  
DP  
POWER  
CONTROL  
CONTROL  
CONTROL  
OUT  
OUT  
OUT  
(V  
-V )  
O
POWER  
0.4  
0.6  
T
Shutdown Temperature  
Threshold  
170  
°C  
°C  
SHDN  
T
Thermal Shutdown  
Hysteresis  
5
HYST  
Note 1: Measured when the V  
Note 2: Measured when the V  
voltage drops below 100mV with respect to its nominal value.  
voltage drops below 2% with respect to its nominal value.  
OUT  
OUT  
9/18  
LD1580  
TYPICAL CHARACTERISTICS (unless otherwise specified T=25°C, C =330µF, C =10µF, C =100µF)  
OUT  
j
P
C
Figure 1 : Output Voltage vs Temperature  
Figure 4 : Output Voltage vs Temperature  
Figure 2 : Minimun V  
Voltage vs  
Figure 5 : V  
Pin Current vs Temperature  
CONTROL  
CONTROL  
Temperature  
Figure 3 : Minimun V  
Voltage vs Output  
Figure 6 : Minimun V  
Voltage vs  
POWER  
POWER  
Current  
Temperature  
10/18  
LD1580  
Figure 7 : V  
Pin Current vs Output  
Figure 10 : Supply Voltage Rejection vs Output  
CONTROL  
Current  
Current  
Figure 11 : Line Transient Response  
Figure 8 : Output Current Limit vs Temperature  
V
=3.3V, V  
=5 to 7V, I  
=1A  
OUT  
POWER  
CONTROL  
Figure 12 : Line Transient Response  
Figure 9 : Quiescent Current vs Temperature  
V
=V  
=5 to 7V, I  
=1A  
POWER  
CONTROL  
OUT  
11/18  
LD1580  
Figure 13 : Load transient Response  
Figure 15 : Load transient Response  
V
=V  
=5V  
CONTROL  
V
=V  
=5V  
CONTROL  
POWER  
POWER  
Figure 14 : Load transient Response  
V
=V  
=5V  
CONTROL  
POWER  
12/18  
LD1580  
HEPTAWATT (VERTICAL) MECHANICAL DATA  
mm.  
TYP  
inch  
TYP.  
DIM.  
MIN.  
MAX.  
4.8  
1.37  
2.8  
MIN.  
MAX.  
0.189  
0.054  
0.110  
0.053  
0.022  
0.031  
0.035  
0.105  
0.205  
0.307  
0.409  
0.409  
A
C
D
2.4  
1.2  
0.094  
0.047  
0.014  
0.024  
D1  
E
F
1.35  
0.55  
0.8  
0.35  
0.6  
F1  
G
0.9  
2.41  
4.91  
7.49  
2.54  
5.08  
7.62  
2.67  
5.21  
7.8  
10.4  
10.4  
0.095  
0.193  
0.295  
0.100  
0.200  
0.300  
G1  
G2  
H2  
H3  
L
10.05  
0.396  
16.97  
14.92  
21.54  
22.62  
0.668  
0.587  
0.848  
0.891  
L1  
L2  
L3  
L5  
L6  
L7  
M
2.6  
15.1  
6
3
0.102  
0.594  
0.236  
0.118  
0.622  
0.260  
15.8  
6.6  
2.8  
5.08  
0.110  
0.200  
M1  
Dia1  
3.65  
3.85  
0.144  
0.152  
P023A  
13/18  
LD1580  
TA  
PENTAWATT (VERTICAL) MECHANICAL DA  
mm.  
TYP  
inch  
TYP.  
DIM.  
MIN.  
MAX.  
4.8  
MIN.  
MAX.  
0.189  
0.054  
0.110  
0.053  
0.022  
0.041  
0.055  
0.142  
0.276  
0.409  
0.409  
A
C
1.37  
2.8  
D
2.4  
1.2  
0.35  
0.8  
1
0.094  
0.047  
0.014  
0.031  
0.039  
0.126  
0.260  
D1  
E
1.35  
0.55  
1.05  
1.4  
F
F1  
G
3.2  
6.6  
3.4  
6.8  
3.6  
0.134  
0.268  
G1  
H2  
H3  
L
7
10.4  
10.4  
10.05  
0.396  
17.85  
15.75  
21.4  
0.703  
0.620  
0.843  
0.886  
L1  
L2  
L3  
L5  
L6  
L7  
M
22.5  
2.6  
15.1  
6
3
0.102  
0.594  
0.236  
0.118  
0.622  
0.260  
15.8  
6.6  
4.5  
4
0.177  
0.157  
M1  
Dia1  
3.65  
3.85  
0.144  
0.152  
P010E  
14/18  
LD1580  
2
P PAK MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
4.30  
0.03  
1.17  
2.40  
8.95  
0.35  
0.80  
3.20  
6.60  
TYP  
MAX.  
4.80  
0.23  
1.37  
2.80  
9.35  
0.55  
1.05  
3.60  
7.00  
10.40  
14.39  
1.40  
1.70  
MIN.  
0.169  
0.001  
0.046  
0.094  
0.352  
0.013  
0.031  
0.126  
0.260  
MAX.  
0.188  
0.009  
0.053  
0.110  
0.368  
0.021  
0.041  
0.142  
0.275  
0.409  
0.566  
0.055  
0.067  
A
A2  
C
D
D1  
E
F
G
G1  
H2  
L
13.59  
1.27  
1.30  
0.535  
0.050  
0.051  
L2  
L3  
R
0.30  
0.012  
V2  
0°  
8°  
0°  
8°  
P010L4A/B  
15/18  
LD1580  
SPAK-5L MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
1.78  
0.03  
TYP  
MAX.  
2.03  
0.13  
MIN.  
0.070  
0.001  
MAX.  
0.080  
0.005  
A
A2  
C
0.25  
0.25  
0.010  
0.010  
C1  
D
1.02  
7.87  
0.63  
1.27  
8.13  
0.79  
0.040  
0.310  
0.025  
0.050  
0.320  
0.031  
D1  
F
G
1.69  
6.8  
0.067  
0.268  
0.220  
G1  
H1  
H2  
H3  
L
5.59  
9.27  
8.89  
9.52  
9.14  
0.365  
0.350  
0.410  
0.375  
0.360  
0.420  
10.41  
10.67  
L1  
L2  
M
7.49  
0.25  
0.295  
0.010  
8.89  
0.79  
9.14  
1.04  
0.350  
0.031  
0.360  
0.041  
N
V
3°  
6°  
3°  
6°  
PO13F1/B  
16/18  
LD1580  
SPAK-7L MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
1.78  
0.03  
TYP  
MAX.  
2.03  
0.13  
MIN.  
0.070  
0.001  
MAX.  
0.080  
0.005  
A
A2  
C
0.25  
0.25  
0.010  
0.010  
C1  
D
1.02  
7.87  
0.63  
1.27  
8.13  
0.79  
0.040  
0.310  
0.025  
0.050  
0.320  
0.031  
D1  
F
G
1.27  
7.62  
5.59  
0.050  
0.3  
G1  
H1  
H2  
H3  
L
0.220  
9.27  
8.89  
9.52  
9.14  
0.365  
0.350  
0.410  
0.375  
0.360  
0.420  
10.41  
10.67  
L1  
L2  
M
7.49  
0.25  
0.295  
0.010  
8.89  
0.79  
9.14  
1.04  
0.350  
0.031  
0.360  
0.041  
N
V
3°  
6°  
3°  
6°  
PO13F2/A  
17/18  
LD1580  
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the  
consequences of use of such information nor for any infringement ofpatents orother rights of third parties which mayresult from  
its use. No license is granted by implication or otherwise under any patent orpatent rights of STMicroelectronics. Specifications  
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information  
previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or  
systems without express written approval of STMicroelectronics.  
The ST logo is a registered trademark of STMicroelectronics  
2002 STMicroelectronics - Printed in Italy - All Rights Reserved  
STMicroelectronics GROUP OF COMPANIES  
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Singapore - Spain - Sweden - Switzerland - United Kingdom - United States.  
http://www.st.com  
18/18  

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