LD1086 [STMICROELECTRONICS]

1.5A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS; 1.5A低压降固定和可调正电压调节器
LD1086
型号: LD1086
厂家: ST    ST
描述:

1.5A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
1.5A低压降固定和可调正电压调节器

调节器 模拟IC 信号电路
文件: 总21页 (文件大小:824K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
LD1086  
SERIES  
1.5A LOW DROP POSITIVE VOLTAGE  
REGULATOR ADJUSTABLE AND FIXED  
I
I
TYPICAL DROPOUT 1.3V AT 1.5A  
THREE TERMINAL ADJUSTABLE OR FIXED  
OUTPUT VOLTAGE 1.5V, 1.8V, 2.5V, 2.85V,  
3.3V, 3.6V, 5V, 8V, 9V, 12V.  
I
I
GUARANTEED OUTPUT CURRENT UP TO  
1.5A  
OUPUT TOLERANCE ± 1% AT 25°C AND  
± 2% IN FULL TEMPERATURE RANGE  
TO-220  
DPAK  
I
I
INTERNAL POWER AND THERMAL LIMIT  
WIDE OPERATING TEMPERATURE RANGE  
-40°C TO 125°C  
2
I
I
PACKAGE AVAILABLE: TO-220, D PAK,  
2
D PAK/A, DPAK  
2
2
D PAK  
D PAK/A  
PINOUT COMPATIBILITY WITH STANDARD  
ADJUSTABLE VREG  
A 2.85V output version is suitable for SCSI-2  
active termination. Unlike PNP regulators, where  
a part of the output current is wasted as quiescent  
current, the LD1086 quiescent current flows into  
the load, so increase efficiency. Only a 10µF  
minimum capacitor is need for stability. The  
device is supplied in TO-220, D PAK, D PAK/A  
and DPAK. On chip trimming allows the regulator  
to reach a very tight output voltage tolerance,  
within ±1% at 25°C.  
DESCRIPTION  
The LD1086 is a LOW DROP Voltage Regulator  
able to provide up to 1.5A of Output Current.  
Dropout is guaranteed at a maximum of 1.2V at  
the maximum output current, decreasing at lower  
loads. The LD1086 is pin to pin compatible with  
the older 3-terminal adjustable regulators, but has  
better performances in term of drop and output  
tolerance.  
2
2
Table 1: Order Codes  
2
2
TO-220  
DPAK (*)  
OUTPUT VOLTAGE  
D PAK (*)  
D PAK/A (*)  
LD1086V15  
LD1086V18  
LD1086V25  
LD1086V28  
LD1086V33  
LD1086V36  
LD1086V50  
LD1086V80  
LD1086V90  
LD1086V12  
LD1086V  
LD1086D2T15  
LD1086D2T18  
LD1086D2T25  
LD1086D2T28  
LD1086D2T33  
LD1086D2T36  
LD1086D2T50  
LD1086D2T80  
LD1086D2T90  
LD1086D2T12  
LD1086D2T  
LD1086D2M15  
LD1086D2M18  
LD1086D2M25  
LD1086D2M28  
LD1086D2M33  
LD1086D2M36  
LD1086D2M50  
LD1086D2M80  
LD1086D2M90  
LD1086D2M12  
LD1086D2M  
LD1086DT15  
LD1086DT18  
LD1086DT25  
LD1086DT28  
LD1086DT33  
LD1086DT36  
LD1086DT50  
LD1086DT80  
LD1086DT90  
LD1086DT12  
LD1086DT  
1.5 V  
1.8 V  
2.5 V  
2.85 V  
3.3 V  
3.6 V  
5.0 V  
8.0 V  
9.0 V  
12.0 V  
ADJ  
(*) Available in Tape & Reel with the suffix "TR".  
Rev. 13  
February 2005  
1/21  
LD1086 SERIES  
Figure 1: Pin Connection (top view)  
2
TO-220  
D PAK  
2
DPAK  
D PAK/A  
Table 2: Absolute Maximum Ratings  
Symbol  
Parameter  
Value  
Unit  
V
DC Input Voltage  
30  
V
mA  
mW  
°C  
I
I
Output Current  
Internally Limited  
Internally Limited  
-55 to +150  
O
P
Power Dissipation  
D
T
Storage Temperature Range  
Operating Junction Temperature Range  
stg  
T
-40 to +125  
°C  
op  
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is  
not implied.  
Table 3: Thermal Data  
2
Symbol  
Parameter  
TO-220  
DPAK  
Unit  
D PAK  
R
Thermal Resistance Junction-case  
Thermal Resistance Junction-ambient  
3
3
8
°C/W  
°C/W  
thj-case  
R
50  
62.5  
thj-amb  
Figure 2: Application Circuits  
R
R
2
V
= V  
(1 + )  
O
REF  
1
2/21  
LD1086 SERIES  
Figure 3: Schematic Diagram  
Table 4: Electrical Characteristics Of LD1086#15 (V =4.5V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
1.485  
1.47  
Typ.  
1.5  
1.5  
0.2  
0.4  
0.5  
1
Max.  
1.515  
1.53  
4
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 3.4 to 30V  
V
I
V  
V  
Line Regulation  
= 0 mA V = 3.1 to 18V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 3.1 to 15V  
4
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
8
J
16  
V
I
Dropout Voltage  
1.3  
5
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.02  
0.01  
82  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 6.5 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
3/21  
LD1086 SERIES  
Table 5: Electrical Characteristics Of LD1086#18 (V =4.8V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
1.782  
1.764  
Typ.  
1.8  
1.8  
0.2  
0.4  
0.5  
1
Max.  
1.818  
1.836  
4
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 3.4 to 30V  
V
I
V  
V  
Line Regulation  
= 0 mA V = 3.4 to 18V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 3.4 to 15V  
4
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
8
J
16  
V
I
Dropout Voltage  
1.3  
5
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.02  
0.01  
82  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 6.8 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
Table 6: Electrical Characteristics Of LD1086#25 (V =5.5V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
2.475  
2.45  
Typ.  
2.5  
2.5  
0.2  
0.4  
0.5  
1
Max.  
2.525  
2.55  
4
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 4.1 to 30V  
V
I
V  
V  
Line Regulation  
= 0 mA V = 4.1 to 18V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 4.1 to 18V  
4
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
8
J
16  
V
I
Dropout Voltage  
1.3  
5
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.008  
81  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 7.5 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
4/21  
LD1086 SERIES  
Table 7: Electrical Characteristics Of LD1086#285 (V =5.85V, C = C =10µF, T = -40 to 125°C,  
I
I
O
A
unless otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
2.821  
2.793  
Typ.  
2.85  
2.85  
0.2  
0.5  
1
Max.  
2.879  
2.907  
6
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 4.5 to 30V  
V
I
V  
V  
Line Regulation  
Load Regulation  
= 0 mA V = 4.5 to 18V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 4.5 to 18V  
6
I
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
12  
J
2
20  
V
I
Dropout Voltage  
1.3  
5
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.01  
80  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 7.85 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
Table 8: Electrical Characteristics Of LD1086#33 (V =6.3V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
3.267  
3.234  
Typ.  
3.3  
3.3  
0.5  
1
Max.  
3.333  
3.366  
6
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
O
O
O
O
O
O
O
O
J
= 0 to 1.5A‘  
V = 4.9 to 30V  
V
I
V  
V  
Line Regulation  
= 0 mA V = 4.9 to 18V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 4.9 to 18V  
6
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
1
10  
J
7
25  
V
I
Dropout Voltage  
1.3  
5
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.008  
79  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 8.3 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
5/21  
LD1086 SERIES  
Table 9: Electrical Characteristics Of LD1086#36 (V =6.6V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
3.564  
3.528  
Typ.  
3.6  
3.6  
0.5  
1
Max.  
3.636  
3.672  
10  
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 5.2 to 30V  
V
I
V  
V  
Line Regulation  
= 0 mA V = 5.2 to 18V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 5.2 to 18V  
10  
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
3
15  
J
7
25  
V
I
Dropout Voltage  
1.3  
5
1.5  
d
Quiescent Current  
Short Circuit Current  
V 30V  
10  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.01  
78  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 8.6 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
Table 10: Electrical Characteristics Of LD1086#50 (V =8V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
4.95  
4.9  
Typ.  
5
Max.  
5.05  
5.1  
10  
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 6.6 to 30V  
5
V
I
V  
V  
Line Regulation  
= 0 mA V = 6.6 to 20V T = 25°C  
0.5  
1
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 6.6 to 20V  
10  
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
5
20  
J
10  
1.3  
5
35  
V
I
Dropout Voltage  
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.01  
75  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
60  
O
V = 10 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
6/21  
LD1086 SERIES  
Table 11: Electrical Characteristics Of LD1086#80 (V =11V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
7.92  
7.84  
Typ.  
8
Max.  
8.08  
8.16  
18  
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 9.8 to 30V  
8
V
I
V  
V  
Line Regulation  
= 0 mA V = 9.8 to 20V T = 25°C  
1
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 9.8 to 20V  
2
18  
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
=1.5A  
T = 25°C  
8
30  
J
12  
1.3  
5
60  
V
I
Dropout Voltage  
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.04  
0.2  
0.01  
71  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
54  
O
V = 13 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
Table 12: Electrical Characteristics Of LD1086#90 (V =12V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
8.91  
8.82  
Typ.  
9
Max.  
9.09  
9.18  
20  
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 11 to 30V  
9
V
I
V  
V  
Line Regulation  
= 0 mA V = 11 to 20V T = 25°C  
1
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 11 to 20V  
2
20  
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
8
30  
J
12  
1.3  
5
60  
V
I
Dropout Voltage  
1.5  
10  
d
Quiescent Current  
Short Circuit Current  
V 30V  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.01  
70  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
54  
O
V = 14 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
7/21  
LD1086 SERIES  
Table 13: Electrical Characteristics Of LD1086#12 (V =15V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
11.88  
11.76  
Typ.  
12  
12  
1
Max.  
12.12  
12.24  
25  
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 0 mA T = 25°C  
J
O
O
O
O
O
O
O
O
= 0 to 1.5A  
V = 13.8 to 30V  
V
I
V  
V  
Line Regulation  
= 0 mA V = 13.8 to 25V T = 25°C  
mV  
mV  
mV  
mV  
V
O
O
I
J
= 0 mA V = 13.8 to 25V  
2
25  
I
Load Regulation  
= 0 to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
12  
24  
1.3  
5
36  
J
72  
V
I
Dropout Voltage  
1.5  
d
Quiescent Current  
Short Circuit Current  
V 30V  
10  
mA  
A
q
I
I
V - V = 5V  
1.5  
2
sc  
I
O
V - V = 25V  
0.05  
0.2  
0.01  
66  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF,  
I
= 1.5A  
O
54  
O
V = 17 ± ±3V  
I
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
Table 14: Electrical Characteristics Of LD1086# (V =4.25V, C = C =10µF, T = -40 to 125°C, unless  
I
I
O
A
otherwise specified.)  
Symbol  
Parameter  
Test Conditions  
Min.  
1.237  
1.225  
Typ.  
1.25  
1.25  
0.015  
0.035  
0.1  
Max.  
1.263  
1.275  
0.2  
Unit  
V
V
Output Voltage (note 1)  
I
I
I
I
I
I
I
= 10mA T = 25°C  
O
O
O
O
O
O
O
O
J
= 10mA to 1.5A  
V = 2.85 to 30V  
V
I
V  
V  
Line Regulation  
= 10mA V = 2.8 to 16.5V T = 25°C  
%
O
O
I
J
= 10mA V = 2.8 to 16.5V  
0.2  
%
I
Load Regulation  
= 10mA to 1.5A  
= 0 to 1.5A  
= 1.5A  
T = 25°C  
0.3  
%
J
0.2  
0.4  
%
V
Dropout Voltage  
1.3  
1.5  
V
d
I
Minimum Load Current  
Short Circuit Current  
V = 30V  
3
10  
mA  
A
O(min)  
I
I
V - V = 5V  
1.5  
2.3  
sc  
I
O
V - V = 25V  
0.05  
0.2  
A
I
O
Thermal Regulation  
T = 25°C, 30ms pulse  
0.01  
88  
0.04  
%/W  
dB  
A
SVR Supply Voltage Rejection  
f = 120 Hz, C = 25 µF, C  
= 25 µF,  
ADJ  
60  
O
I
= 1.5A V = 6.25 ± ±3V  
O
I
I
Adjust Pin Current  
V = 4.25V I = 10 mA  
40  
120  
5
µA  
µA  
ADJ  
I
O
I  
Adjust Pin Current Change  
I
= 10mA to 1.5A  
V = 2.8 to 16.5V  
0.2  
ADJ  
O
I
(note 1)  
eN  
RMS Output Noise Voltage T = 25°C f =10Hz to 10KHz  
0.003  
%
A
(% of V )  
O
S
S
Temperature Stability  
Long Term Stability  
0.5  
0.5  
%
%
T = 125°C 1000Hrs  
A
NOTE 1: See short-circuit current curve for available output current at fixed dropout.  
8/21  
LD1086 SERIES  
TYPICAL CHARACTERISTICS (unless otherwise specified T = 25°C, C =C =10µF)  
j
I
O
Figure 4: Output Voltage vs Temperature  
Figure 5: Output Voltage vs Temperature  
Figure 6: Output Voltage vs Temperature  
Figure 7: Short Circuit Current vs Dropout  
Voltage  
Figure 8: Line Regulation vs Temperature  
Figure 9: Load Regulation vs Temperature  
9/21  
LD1086 SERIES  
Figure 10: Dropout Voltage vs Temperature  
Figure 13: Adjust Pin Current vs Temperature  
Figure 14: Adjust Pin Current vs Output Current  
Figure 11: Dropout Voltage vs Output Current  
Figure 15: Quiescent Current vs Output Current  
Figure 12: Adjust Pin Current vs Input Voltage  
10/21  
LD1086 SERIES  
Figure 16: Quiescent Current vs Input Voltage  
Figure 19: Supply Voltage Rejection vs  
Temperature  
Figure 17: Supply Voltage Rejection vs Output  
Figure 20: Minimum Load Current vs  
Current  
Temperature  
Figure 18: Supply Voltage Rejection vs  
Figure 21: Stability for Adjustable  
Frequency  
11/21  
LD1086 SERIES  
Figure 22: Stability for 2.85V  
Figure 25: Line Transient  
V =12 to 13V, I =200mA, C = 1µF(tant), C =10µF(tant),  
I
O
I
O
No C  
ADJ  
Figure 23: Stability for 12V  
Figure 26: Line Transient  
V =12 to 13V, I =200mA, C = 1µF(tant), C =10µF(tant),  
I
O
I
O
C
=1µF  
ADJ  
Figure 24: Line Transient  
Figure 27: Load Transient  
V =12 to 13V, I =200mA, C = 1µF(tant), C =10µF(tant),  
V =13V, I =0.1 to 1.5A, C = 1µF(tant), C =10µF(tant)  
I
O
I
O
I
O
I
O
No C  
C
=1µF  
ADJ  
ADJ  
12/21  
LD1086 SERIES  
Figure 28: Load Transient  
Figure 29: Thermal Protection  
V =13V, I =0.1 to 1.5A, C = 1µF(tant), C =10µF(tant)  
V =2.85 V  
O
I
O
I
O
C
=1µF  
ADJ  
13/21  
LD1086 SERIES  
TO-220 MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
4.40  
1.23  
2.40  
TYP  
MAX.  
4.60  
1.32  
2.72  
MIN.  
0.173  
0.048  
0.094  
MAX.  
0.181  
0.051  
0.107  
A
C
D
D1  
E
1.27  
0.050  
0.49  
0.61  
1.14  
1.14  
4.95  
2.4  
0.70  
0.88  
1.70  
1.70  
5.15  
2.7  
0.019  
0.024  
0.044  
0.044  
0.194  
0.094  
0.393  
0.027  
0.034  
0.067  
0.067  
0.203  
0.106  
0.409  
F
F1  
F2  
G
G1  
H2  
L2  
L4  
L5  
L6  
L7  
L9  
DIA.  
10.0  
10.40  
16.4  
0.645  
13.0  
2.65  
15.25  
6.2  
14.0  
2.95  
15.75  
6.6  
0.511  
0.104  
0.600  
0.244  
0.137  
0.147  
0.551  
0.116  
0.620  
0.260  
0.154  
0.151  
3.5  
3.93  
3.85  
3.75  
P011C  
14/21  
LD1086 SERIES  
D2PAK MEC  
HANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
TYP  
MAX.  
MIN.  
MAX.  
A
A1  
A2  
B
4.4  
2.49  
0.03  
0.7  
4.6  
2.69  
0.23  
0.93  
1.7  
0.173  
0.098  
0.001  
0.027  
0.044  
0.017  
0.048  
0.352  
0.181  
0.106  
0.009  
0.036  
0.067  
0.023  
0.053  
0.368  
B2  
C
1.14  
0.45  
1.23  
8.95  
0.6  
C2  
D
1.36  
9.35  
D1  
E
8
0.315  
0.335  
10  
10.4  
0.393  
0.409  
E1  
G
8.5  
4.88  
15  
5.28  
15.85  
1.4  
0.192  
0.590  
0.050  
0.055  
0.094  
0.208  
0.624  
0.055  
0.068  
0.126  
L
L2  
L3  
M
1.27  
1.4  
1.75  
3.2  
2.4  
R
0.4  
0.016  
V2  
0˚  
8˚  
0˚  
8˚  
011P6G  
15/21  
LD1086 SERIES  
D2PAK/A MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
TYP  
MAX.  
MIN.  
MAX.  
A
A1  
A2  
B
4.40  
2.49  
0.03  
0.7  
4.60  
2.69  
0.23  
0.93  
1.3  
0.173  
0.098  
0.001  
0.028  
0.031  
0.045  
0.018  
0.048  
0.352  
0.181  
0.106  
0.009  
0.037  
0.051  
0.067  
0.024  
0.054  
0.368  
B1  
B2  
C
0.8  
1.14  
0.45  
1.23  
8.95  
1.7  
0.60  
1.36  
9.35  
C2  
D
D1  
E
8
0.315  
0.335  
10  
10.4  
0.394  
0.409  
E1  
G
8.5  
4.88  
15  
5.28  
15.85  
1.4  
0.192  
0.591  
0.050  
0.094  
0.208  
0.624  
0.055  
0.126  
L
L2  
M
1.27  
2.4  
3.2  
R
0.4  
0.016  
V2  
0°  
8°  
0°  
8°  
7106164/D  
16/21  
LD1086 SERIES  
DPAK MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
TYP  
MAX.  
MIN.  
MAX.  
A
A1  
A2  
B
2.2  
0.9  
2.4  
1.1  
0.23  
0.9  
5.4  
0.6  
0.6  
6.2  
0.086  
0.035  
0.001  
0.025  
0.204  
0.017  
0.019  
0.236  
0.094  
0.043  
0.009  
0.035  
0.212  
0.023  
0.023  
0.244  
0.03  
0.64  
5.2  
B2  
C
0.45  
0.48  
6
C2  
D
D1  
E
5.1  
0.200  
6.4  
6.6  
0.252  
0.260  
E1  
e
4.7  
0.185  
0.090  
2.28  
e1  
H
4.4  
9.35  
1
4.6  
0.173  
0.368  
0.039  
0.181  
0.397  
10.1  
L
(L1)  
2.8  
0.8  
0.110  
0.031  
L2  
L4  
0.6  
1
0.023  
0.039  
0068772-F  
17/21  
LD1086 SERIES  
Tape & Reel DPAK-PPAK MECHANICAL DATA  
mm.  
TYP  
inch  
TYP.  
DIM.  
MIN.  
MAX.  
330  
MIN.  
MAX.  
12.992  
0.519  
A
C
12.8  
20.2  
60  
13.0  
13.2  
0.504  
0.795  
2.362  
0.512  
D
N
T
22.4  
7.00  
10.60  
2.75  
4.1  
0.882  
0.2.76  
0.417  
0.105  
0.161  
0.319  
Ao  
Bo  
Ko  
Po  
P
6.80  
10.40  
2.55  
3.9  
6.90  
10.50  
2.65  
4.0  
0.268  
0.409  
0.100  
0.153  
0.311  
0.272  
0.413  
0.104  
0.157  
0.315  
7.9  
8.0  
8.1  
18/21  
LD1086 SERIES  
Tape & Reel D2PAK-P2PAK-D2PAK/A-P2PAK/A MECHANICAL DATA  
mm.  
TYP  
inch  
TYP.  
DIM.  
MIN.  
MAX.  
180  
MIN.  
MAX.  
7.086  
0.519  
A
C
12.8  
20.2  
60  
13.0  
13.2  
0.504  
0.795  
2.362  
0.512  
D
N
T
14.4  
10.70  
15.90  
5.00  
4.1  
0.567  
0.421  
0.626  
0.197  
0.161  
0.476  
Ao  
Bo  
Ko  
Po  
P
10.50  
15.70  
4.80  
3.9  
10.6  
15.80  
4.90  
4.0  
0.413  
0.618  
0.189  
0.153  
0.468  
0.417  
0.622  
0.193  
0.157  
0.472  
11.9  
12.0  
12.1  
19/21  
LD1086 SERIES  
Table 15: Revision History  
Date  
Revision  
Description of Changes  
Mistake Vo (typ.), table 9 - pag. 6.  
25-Aug-2004  
07-Oct-2004  
08-Feb-2005  
11  
12  
13  
Mistake Order Codes - Table 1.  
Mistake U.M. Load Regulation - V ==> mV.  
20/21  
LD1086 SERIES  
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 of patents or other rights of third parties which may result from its use. No license is granted  
by implication or otherwise under any patent or patent 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  
All other names are the property of their respective owners  
© 2005 STMicroelectronics - All Rights Reserved  
STMicroelectronics group of companies  
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Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America  
www.st.com  
21/21  

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