LD1085D2M50-R [STMICROELECTRONICS]
3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS; 3A低压降固定和可调正电压调节器
| 型号： | LD1085D2M50-R |
| 厂家： | 
ST |
| 描述： | 3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS |
| 文件： | 总19页 (文件大小：776K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LD1085
SERIES
3A LOW DROP POSITIVE VOLTAGE
REGULATOR ADJUSTABLE AND FIXED
I
I
TYPICAL DROPOUT 1.3V (AT 3A)
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
3A
OUPUT TOLERANCE ± 1% AT 25°C AND
± 2% IN FULL TEMPERATURE RANGE
TO-220
TO-220FP
I
I
INTERNAL POWER AND THERMAL LIMIT
WIDE OPERATING TEMPERATURE RANGE
-40°C TO 125°C
I
I
PACKAGE AVAILABLE: TO-220, TO-220FP
D PAK, D PAK/A
2
2
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 LD1085 quiescent current flows into
the load, so increase efficiency. Only a 10µF
minimum capacitor is need for stability.
DESCRIPTION
The LD1085 is a LOW DROP Voltage Regulator
able to provide up to 3A of Output Current.
Dropout is guaranteed at a maximum of 1.2V at
the maximum output current, decreasing at lower
loads. The LD1085 is pin to pin compatible with
the older 3-terminal adjustable regulators, but has
better performances in term of drop and output
tolerance.
The device is supplied in TO-220, TO-220FP,
2
2
D PAK and D PAK/A. On chip trimming allows the
regulator to reach a very tight output voltage
tolerance, within ±1% at 25°C.
Figure 1: Schematic Diagram
Rev. 14
1/19
March 2005
LD1085 SERIES
Figure 2: Pin Connection (top view)
TO-220
TO-220FP
2
2
D PAK
D PAK/A
Table 1: Order Codes
2
2
TO-220
TO-220FP
OUTPUT VOLTAGE
D PAK (*)
D PAK/A (*)
LD1085V15
LD1085V18
LD1085V25
LD1085V28
LD1085V33
LD1085V36
LD1085V50
LD1085V80
LD1085V90
LD1085V12
LD1085V
LD1085P15
LD1085P18
LD1085P25
LD1085P28
LD1085P33
LD1085P36
LD1085P50
LD1085P80
LD1085P90
LD1085P12
LD1085P
LD1085D2T15
LD1085D2T18
LD1085D2T25
LD1085D2T28
LD1085D2T33
LD1085D2T36
LD1085D2T50
LD1085D2T80
LD1085D2T90
LD1085D2T12
LD1085D2T
LD1085D2M15
LD1085D2M18
LD1085D2M25
LD1085D2M28
LD1085D2M33
LD1085D2M36
LD1085D2M50
LD1085D2M80
LD1085D2M90
LD1085D2M12
LD1085D2M
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 "R" for fixed version and "-R" for adjustable version.
Table 2: Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
V
DC Input Voltage
Output Current
30
V
mA
mW
°C
I
I
Internally Limited
Internally Limited
-55 to +150
O
P
Power Dissipation
D
T
Storage Temperature Range
stg
T
Operating Junction Temperature Range
-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.
2/19
LD1085 SERIES
Table 3: Thermal Data
Symbol
2
Parameter
TO-220
Unit
D PAK
R
Thermal Resistance Junction-case
3
3
°C/W
°C/W
thj-case
R
Thermal Resistance Junction-ambient
50
62.5
thj-amb
Figure 3: Application Circuits
R
R
2
V
= V
(1 + )
O
REF
1
Table 4: Electrical Characteristics Of LD1085#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
2
Max.
1.515
1.53
4
Unit
V
V
Output Voltage
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 5AV = 3.1 to 30V (note 1)
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
10
J
= 0 to 3A
=3 A
4
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 3A
60
O
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.
3/19
LD1085 SERIES
Table 5: Electrical Characteristics Of LD1085#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
2
Max.
1.818
1.836
4
Unit
V
V
Output Voltage
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 5AV = 3.4 to 30V (note 1)
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
10
J
= 0 to 3A
=3 A
4
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 3A
60
O
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.
Table 6: Electrical Characteristics Of LD1085#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
2
Max.
2.525
2.55
4
Unit
V
V
Output Voltage
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 4.1 to 30V (note 1)
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
10
J
= 0 to 3A
=3 A
4
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 3A
60
O
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.
4/19
LD1085 SERIES
Table 7: Electrical Characteristics Of LD1085#285 (V =5.85V, C = C =10µF, T = -40 to 125°C,
I
I
O
A
unless otherwise specified.)
Symbol
Parameter
Output Voltage
Test Conditions
Min.
2.821
2.793
Typ.
2.85
2.85
0.2
0.5
3
Max.
2.879
2.907
6
Unit
V
V
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 4.5 to 30V (note 1)
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 3AT = 25°C
15
J
= 0 to 3A
=3 A
7
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 3A
60
O
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 LD1085#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
3.35
0.5
1
Max.
3.333
3.366
6
Unit
V
V
Output Voltage
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 4.9 to 30V (note 1)
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
3
15
J
= 0 to 3A
=3 A
7
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 5A
60
O
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.
5/19
LD1085 SERIES
Table 9: Electrical Characteristics Of LD1085#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
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 5.2 to 30V (note 1)
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
3
15
J
= 0 to 3A
=3 A
7
20
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 3A
60
O
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 LD1085#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
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 6.6 to 30V (note 1)
5
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
5
10
J
= 0 to 3A
=3 A
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
3.2
0.2
4.5
0.5
0.008
72
sc
I
O
V - V = 25V
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
= 3A
60
O
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.
6/19
LD1085 SERIES
Table 11: Electrical Characteristics Of LD1085#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
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 9.8 to 30V (note 1)
8
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
8
30
J
= 0 to 3A
=3 A
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
3.2
0.2
4.5
0.5
0.008
71
sc
I
O
V - V = 25V
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
= 3A
54
O
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 LD1085#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
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 11 to 30V (note 1)
9
V
I
∆V
∆V
= 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
= 0 to 3AT = 25°C
8
30
J
= 0 to 3A
=3 A
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
3.2
0.2
4.5
0.5
0.008
70
sc
I
O
V - V = 25V
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
= 3A
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.
7/19
LD1085 SERIES
Table 13: Electrical Characteristics Of LD1085#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
Max.
12.12
12.24
25
Unit
V
V
Output Voltage
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 0 mA T = 25°C
J
O
O
O
O
O
O
O
O
= 0 to 3AV = 13.8 to 30V (note 1)
12
V
I
∆V
∆V
= 0 mA V = 13.8 to 25V T = 25°C
1
mV
mV
mV
mV
V
O
O
I
J
= 0 mA V = 13.8 to 25V
2
25
I
= 0 to 3AT = 25°C
12
36
J
= 0 to 3A
=3 A
24
72
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
3.2
0.2
4.5
0.5
0.008
66
sc
I
O
V - V = 25V
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
= 3A
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 LD1085# (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
Line Regulation
Load Regulation
I
I
I
I
I
I
I
= 10mA T = 25°C
J
O
O
O
O
O
O
O
O
= 10mA to 5AV = 2.85 to 30V (note 1)
V
I
∆V
∆V
= 10mA V = 2.85 to 16.5V T = 25°C
%
O
O
I
J
= 10mA V = 2.85 to 16.5V
0.2
%
I
= 10mA to 5AT = 25°C
0.3
%
J
= 0 to 5A
= 5A
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
5.5
0.5
6.5
sc
I
O
V - V = 25V
0.7
A
I
O
Thermal Regulation
T = 25°C, 30ms pulse
0.003 0.015
72
%/W
dB
A
SVR Supply Voltage Rejection
f = 120 Hz, C = 25 µF, C
= 25 µF,
ADJ
60
O
I
= 5A
V = 6.25 ± ±3V
O
I
I
Adjust Pin Current
V = 4.25V I = 10 mA
55
120
5
µA
µA
ADJ
I
O
∆I
Adjust Pin Current Change
I
= 10mA to 5A
V = 2.85 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.
8/19
LD1085 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
9/19
LD1085 SERIES
Figure 10: Dropout Voltage vs Temperature
Figure 13: Quiescent Current vs Temperature
Figure 11: Dropout Voltage vs Output Current
Figure 12: Adjust Pin Current vs Temperature
10/19
Figure 14: Dropout Voltage vs Output Current
Figure 15: Supply Voltage Rejection vs Output
Current
LD1085 SERIES
Figure 16: Supply Voltage Rejection vs
Figure 19: Stability
Frequency
Figure 17: Supply Voltage Rejection vs
Figure 20: Stability
Temperature
Figure 18: Minimum Load Current vs
Figure 21: Line Transient
Temperature
V =12 to 13V, I =200mA, C = 1µF(tant), C =10µF(tant),
I
O
I
O
C
= 1µF
ADJ
11/19
LD1085 SERIES
Figure 22: Line Transient
Figure 24: Load Transient
V =12 to 13V, I =200mA, C = 1µF(tant), C =10µF(tant),
V =12 V, I =0.12 to 3 A, C = 1µF(tant), C =10µF(tant)
I
O
I
O
I
O
I
O
C
=1µF
C
=1µF
ADJ
ADJ
Figure 23: Load Transient
V =12 V, I =0.12 to 3 A, C = 1µF(tant), C =10µF(tant)
I
O
I
O
C
=1µF
ADJ
12/19
LD1085 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
13/19
LD1085 SERIES
TO-220FP MECHANICAL DATA
mm.
inch
TYP.
DIM.
MIN.
4.40
2.5
TYP
MAX.
4.60
2.7
MIN.
0.173
0.098
0.098
0.017
0.030
0.045
0.045
0.194
0.094
0.393
MAX.
0.181
0.106
0.108
0.027
0.039
0.059
0.059
0.204
0.106
0.409
A
B
D
2.5
2.75
0.70
1
E
0.45
0.75
1.15
1.15
4.95
2.4
F
F1
F2
G
1.50
1.50
5.2
G1
H
2.7
10.0
10.40
L2
L3
L4
L5
L6
L7
DIA.
16
0.630
28.6
9.8
2.9
15.9
9
30.6
10.6
3.6
1.126
0.385
0.114
0.626
0.354
0.118
1.204
0.417
0.142
0.645
0.366
0.126
16.4
9.3
3
3.2
7012510A-H
14/19
LD1085 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
15/19
LD1085 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
16/19
LD1085 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
17/19
LD1085 SERIES
Table 15: Revision History
Date
Revision
Description of Changes
Mistake Order Codes - Table 1.
07-Oct-2004
08-Feb-2005
01-Mar-2005
12
13
14
Mistake U.M. Load Regulation - V ==> mV.
Version 1.2V removed.
18/19
LD1085 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
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19/19
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