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LM217LD-TR [STMICROELECTRONICS]

1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO8, SO-8;
LM217LD-TR
型号： LM217LD-TR
厂家： ST    ST
描述：

1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO8, SO-8

光电二极管
文件： 总13页 (文件大小：533K)
中文：  中文翻译
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LM217L  
LM317L  
LOW CURRENT  
1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR  
I
I
I
I
I
I
I
OUTPUT VOLTAGE RANGE: 1.2 TO 37V  
OUTPUT CURRENT IN EXCESS OF 100 mA  
LINE REGULATION TYP. 0.01%  
LOAD REGULATION TYP. 0.1%  
THERMAL OVERLOAD PROTECTION  
SHORT CIRCUIT PROTECTION  
OUTPUT TRANSISTOR SAFE AREA  
COMPENSATION  
I
FLOATING OPERATION FOR HIGH  
VOLTAGE APPLICATIONS  
DESCRIPTION  
TO-92  
SO-8  
The LM217L/LM317L are monolithic integrated  
circuit in SO-8 and TO-92 packages intended for  
use as positive adjustable voltage regulators.  
They are designed to supply until 100 mA of load  
current with an output voltage adjustable over a  
1.2 to 37V range.  
exceptionally easy to use and eliminating the  
stocking of many fixed regulators  
The nominal output voltage is selected by means  
of only a resistive divider, making the device  
Figure 1: Schematic Diagram  
Rev. 3  
1/13  
December 2005  
LM217L/LM317L  
Table 1: Absolute Maximum Ratings  
Symbol  
Parameter  
Value  
Unit  
V
V
Input-Output Differential Voltage  
Power Dissipation  
40  
V
I -  
O
P
Internally Limited  
-40 to 125  
d
Operating Junction Temperature for LM217L  
Range  
T
°C  
°C  
opr  
for LM317L  
0 to 125  
T
Storage Temperature Range  
-55 to 150  
stg  
Figure 2: Pin Connection (top view)  
PIN 1 = ADJUST  
PIN 2 = IN  
BOTTOM VIEW  
PIN 3 = OUT  
SO-8  
TO-92  
Table 2: Order Codes  
TYPE  
SO-8 (TUBE) (*)  
TO-92 (BAG) (#)  
LM217L  
LM317L  
LM217LD  
LM317LD  
LM217LZ  
LM317LZ  
(*) Available in Tape & Reel with the suffix "-TR".  
(#) Available in Tape & Reel with the suffix "-TR" and in Ammopak with the suffix "-AP". Please note that in these cases pins are shaped  
according to Tape & Reel specifications.  
Figure 3: Test Circuit  
2/13  
LM217L/LM317L  
Table 3: Electrical Characteristics Of LM217L (refer to the test circuits, T = - 40 to 125°C,  
J
V - V = 5 V, I = 40 mA, unless otherwise specified).  
I
O
O
Symbol  
Parameter  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
∆V  
Line Regulation  
V - V = 3 to 40 V  
T = 25°C  
0.01  
0.02  
%/V  
O
I
O
J
I < 20 mA  
L
0.02  
5
0.05  
15  
∆V  
Load Regulation  
V
≤ 5 V  
T = 25°C  
mV  
%
O
O
J
I
= 5 to 100 mA  
O
20  
50  
V
≥ 5 V  
T = 25°C  
0.1  
0.3  
O
J
I
= 5 to 100 mA  
O
0.3  
50  
1
I
Adjustment Pin Current  
Adjustment Pin Current  
100  
µA  
µA  
ADJ  
∆I  
V - V = 3 to 40 V  
I
I
= 5 to 100 mA  
0.2  
1.25  
0.7  
5
ADJ  
I
O
O
O
P < 625 mW  
d
V
Reference Voltage  
V - V = 3 to 40 V  
= 10 to 500 mA  
1.2  
1.3  
V
REF  
I
O
P < 625 mW  
d
∆V /V Output Voltage  
%
O
O
Temperature Stability  
Minimum Load Current  
I
V - V = 40 V  
3.5  
200  
50  
5
mA  
mA  
O(min)  
I
O
I
Maximum Output Current  
V - V = 3 to 13 V  
100  
66  
O(max)  
I
O
V - V = 40 V  
I
O
eN  
Output Noise Voltage  
B = 10 Hz to 10 KHzT = 25°C  
0.003  
65  
%
J
SVR Supply Voltage Rejection (*) T = 25°C  
C
C
= 0  
dB  
J
ADJ  
ADJ  
f = 120 Hz  
= 10 µF  
80  
(*) CADJ is connected between Adjust pin and Ground.  
3/13  
LM217L/LM317L  
Table 4: Electrical Characteristics Of LM317L (refer to the test circuits, T = 0 to 125°C,  
J
V - V = 5 V, I = 40 mA, unless otherwise specified).  
I
O
O
Symbol  
Parameter  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
∆V  
Line Regulation  
V - V = 3 to 40 V  
T = 25°C  
0.01  
0.04  
%/V  
O
I
O
J
I < 20 mA  
L
0.02  
5
0.07  
25  
∆V  
Load Regulation  
V
≤ 5 V  
T = 25°C  
mV  
%
O
O
J
I
= 5 to 100 mA  
O
20  
70  
V
≥ 5 V  
T = 25°C  
0.1  
0.5  
O
J
I
= 5 to 100 mA  
O
0.3  
50  
1.5  
I
Adjustment Pin Current  
Adjustment Pin Current  
100  
µA  
µA  
ADJ  
∆I  
V - V = 3 to 40 V  
I
I
= 5 to 100 mA  
0.2  
1.25  
0.7  
5
ADJ  
I
O
O
O
P < 625 mW  
d
V
Reference Voltage  
V - V = 3 to 40 V  
= 5 to 100 mA  
1.2  
1.3  
V
REF  
I
O
P < 625 mW  
d
∆V /V Output Voltage  
%
O
O
Temperature Stability  
Minimum Load Current  
I
V - V = 40 V  
3.5  
200  
50  
5
mA  
mA  
O(min)  
I
O
I
Maximum Output Current  
V - V = 3 to 13 V  
100  
66  
O(max)  
I
O
V - V = 40 V  
I
O
eN  
Output Noise Voltage  
B = 10 Hz to 10 KHzT = 25°C  
0.003  
65  
%
J
SVR Supply Voltage Rejection (*) T = 25°C  
C
C
= 0  
dB  
J
ADJ  
ADJ  
f = 120 Hz  
= 10 µF  
80  
(*) CADJ is connected between Adjust pin and Ground.  
Figure 4: Current Limit  
Figure 5: Minimum Operating Current  
4/13  
LM217L/LM317L  
APPLICATION INFORMATION  
The LM317L provides an internal reference  
voltage of 1.25V between the output and  
adjustments terminals. This is used to set a  
constant current flow across an external resistor  
Since the LM317L is a floating regulator and  
"sees" only the input-to-output differential voltage,  
supplies of very high voltage with respect to  
ground can be regulated as long as the maximum  
input-to-output differential is not exceeded.  
Furthermore, programmable regulator are easily  
obtainable and, by connecting a fixed resistor  
between the adjustment and output, the device  
can be used as a precision current regulator. In  
order to optimize the load regulation, the current  
divider (see fig. 4), giving an output voltage V of:  
O
V = V  
(1 + R /R ) + I  
R
O
REF  
2
1
ADJ 2  
The device was designed to minimize the term  
I
(100µA max) and to maintain it very constant  
ADJ  
with line and load changes. Usually, the error term  
× R can be neglected. To obtain the previous  
I
ADJ  
2
set resistor R (see fig. 4) should be tied as close  
as possible to the regulator, while the ground  
requirement, all the regulator quiescent current is  
returned to the output terminal, imposing a  
minimum load current condition. If the load is  
insufficient, the output voltage will rise.  
1
terminal of R should be near the ground of the  
2
load to provide remote ground sensing.  
Figure 6: Basic Adjustable Regulator  
Figure 7: Voltage Regulator with Protection Diodes  
5/13  
LM217L/LM317L  
Figure 8: Slow Turn-on 15V Regulator  
Figure 9: Current Regulator  
V
R
1.25V  
≈   
ref  
I
=  + I  
ADJ  
O
R
1
1
Figure 10: 5V Electronic Shut-down Regulator  
6/13  
LM217L/LM317L  
Figure 11: Digitally Selected Outputs  
(R = sets maximum V )  
2
O
7/13  
LM217L/LM317L  
SO-8 MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
TYP  
MAX.  
MIN.  
MAX.  
A
A1  
A2  
B
1.35  
1.75  
0.053  
0.069  
0.10  
1.10  
0.33  
0.19  
4.80  
3.80  
0.25  
1.65  
0.51  
0.25  
5.00  
4.00  
0.04  
0.010  
0.065  
0.020  
0.010  
0.197  
0.157  
0.043  
0.013  
0.007  
0.189  
0.150  
C
D
E
e
1.27  
0.050  
H
5.80  
0.25  
0.40  
6.20  
0.50  
1.27  
0.228  
0.010  
0.016  
0.244  
0.020  
0.050  
h
L
k
˚ (max.)  
8
ddd  
0.1  
0.04  
0016023/C  
8/13  
LM217L/LM317L  
TO-92 MECHANICAL DATA  
mm.  
mils  
DIM.  
MIN.  
4.32  
0.36  
4.45  
3.30  
2.41  
1.14  
12.7  
2.16  
0.92  
0.41  
TYP  
MAX.  
4.95  
0.51  
4.95  
3.94  
2.67  
1.40  
15.49  
2.41  
1.52  
0.56  
MIN.  
170.1  
14.2  
TYP.  
MAX.  
194.9  
20.1  
A
b
D
E
175.2  
129.9  
94.9  
194.9  
155.1  
105.1  
55.1  
e
e1  
L
44.9  
500.0  
85.0  
609.8  
94.9  
R
S1  
W
α
36.2  
59.8  
16.1  
22.0  
5°  
5°  
0102782/D  
9/13  
LM217L/LM317L  
Tape & Reel SO-8 MECHANICAL DATA  
mm.  
TYP  
inch  
TYP.  
DIM.  
MIN.  
MAX.  
330  
MIN.  
MAX.  
12.992  
0.519  
A
C
12.8  
20.2  
60  
13.2  
0.504  
0.795  
2.362  
D
N
T
22.4  
8.5  
5.9  
2.3  
4.1  
8.1  
0.882  
0.335  
0.232  
0.090  
0.161  
0.319  
Ao  
Bo  
Ko  
Po  
P
8.1  
5.5  
2.1  
3.9  
7.9  
0.319  
0.216  
0.082  
0.153  
0.311  
10/13  
LM217L/LM317L  
Tape & Reel for TO-92 MECHANICAL DATA  
mm.  
inch  
TYP.  
DIM.  
MIN.  
TYP  
MAX.  
MIN.  
MAX.  
A1  
T
T1  
T2  
d
4.80  
3.80  
1.60  
2.30  
0.48  
0.189  
0.150  
0.063  
0.091  
0.019  
P0  
P2  
12.5  
5.65  
2.44  
12.9  
7.05  
2.94  
0.492  
0.222  
0.096  
0.508  
0.278  
0.116  
F1, F2  
delta H  
W
W0  
W1  
W2  
H
H0  
H1  
D0  
t
L1  
delta P  
u
Φ1  
Φ2  
2.54  
±2  
18.00  
0.100  
0.079  
0.709  
17.5  
5.7  
8.5  
19.0  
6.3  
9.25  
0.689  
0.224  
0.335  
0.748  
0.248  
0.364  
0.50  
18.50  
0.20  
0.728  
18.70  
16.50  
0.726  
0.650  
15.50  
3.8  
0.610  
0.150  
25.00  
0.984  
4.2  
0.165  
0.90  
3
±1  
50  
360  
30  
0.035  
0.118  
0.039  
1.968  
14.173  
1.181  
delta P  
T
A1  
T2  
T1  
H1  
delta H  
W2  
H
H0  
d
L
l1  
W
W0  
W1  
Φ1  
Φ2  
F1  
F2  
P0  
D0  
t
P2  
u
Pull-out direction  
DRAWING NOT IN SCALE  
11/13  
LM217L/LM317L  
Table 5: Revision History  
Date  
Revision  
Description of Changes  
Add Tape & Reel for TO-92.  
Mistake on Ordering Table in Header.  
16-Mar-2005  
23-Dec-2005  
2
3
12/13  
LM217L/LM317L  
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  
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -  
Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America  
www.st.com  
13/13  

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