LE30C STMicroelectronics, LE30C Datasheet

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LE30C

Manufacturer Part Number
LE30C
Description
VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Manufacturer
STMicroelectronics
Datasheet

Specifications of LE30C

Supply Voltage Rejection
80 dB (typ.)
Temperature Range
-40 to 125 °C

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Features
Description
The LExxAB and LExxC are very low drop voltage
regulators available in SO-8 and TO-92 packages
and in a wide range of output voltages.
The very low drop voltage (0.2 V) and the very low
quiescent current make them particularly suitable
for low noise low power applications and specially
in battery powered systems.
They are pin to pin compatible with the older
L78Lxx series. Furthermore in the 8 pin
configuration (SO-8) they employ a shutdown
logic control (pin 5, TTL compatible). This means
that when the device is used as a local regulator,
Table 1.
July 2008
Very low dropout voltage (0.2 V typ)
Very low quiescent current (typ. 50 µA in OFF
MODE, 0.5 mA in ON MODE, no load)
Output current up to 100 mA
Output voltages of 2.5; 2.7; 3; 3.3; 3.5; 4; 4.5;
4.7; 5; 8 V
Internal current and thermal limit
Only 2.2 µF for stability
Available in ± 1 % (A) or ± 2 % (C) selection at
25 °C
Supply voltage rejection: 80 dB (typ.)
Temperature range: -40 to 125 °C
Device summary
LE25AB
LE27AB
LE33AB
LE30C
LE33C
Very low drop voltage regulators with inhibit
Part numbers
LE35AB
LE45AB
Rev 12
LE35C
LE40C
LE45C
it’s possible to put in stand by a part of the board
even more decreasing the total power
consumption. In the three terminal configuration
(TO-92) the device is even in ON STATE,
maintaining the same electrical performances. It
needs only 2.2 µF capacitor for stability allowing
room and cost saving effect.
TO-92
LE47AB
LE50AB
LE80AB
LE50C
LE80C
LExxAB
SO-8
LExxC
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LE30C Summary of contents

Page 1

... TTL compatible). This means that when the device is used as a local regulator, Table 1. Device summary LE25AB LE27AB LE30C LE33C LE33AB July 2008 Very low drop voltage regulators with inhibit TO-92 it’s possible to put in stand by a part of the board even more decreasing the total power consumption ...

Page 2

Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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... Electrical characteristics for LE25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 7. Electrical characteristics for LE27AB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 8. Electrical characteristics for LE27C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 9. Electrical characteristics for LE30AB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 10. Electrical characteristics for LE30C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 11. Electrical characteristics for LE33AB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 12. Electrical characteristics for LE33C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 13. Electrical characteristics for LE35AB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 14. ...

Page 5

Diagram Figure 1. Block diagram 5/39 ...

Page 6

Pin configuration Figure 2. Pin connections (top view for SO-8, bottom view for TO-92) SO-8 6/39 PIN OUT PIN 2 = GND PIN TO-92 ...

Page 7

Maximum ratings Table 2. Absolute maximum ratings Symbol V DC input voltage I I Output current O P Power dissipation TOT T Storage temperature range STG T Operating junction temperature range OP 1. Our SO-8 package used for Voltage ...

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Electrical characteristics Table 4. Electrical characteristics for LE12AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V ...

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Table 5. Electrical characteristics for LE25AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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Table 6. Electrical characteristics for LE25C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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Table 7. Electrical characteristics for LE27AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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Table 8. Electrical characteristics for LE27C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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Table 9. Electrical characteristics for LE30AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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... Table 10. Electrical characteristics for LE30C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O V Load regulation O I Quiescent current d SVR Supply voltage rejection eN Output noise voltage ...

Page 15

Table 11. Electrical characteristics for LE33AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 16

Table 12. Electrical characteristics for LE33C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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Table 13. Electrical characteristics for LE35AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 18

Table 14. Electrical characteristics for LE35C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 19

Table 15. Electrical characteristics for LE40AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 20

Table 16. Electrical characteristics for LE40C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 21

Table 17. Electrical characteristics for LE45AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 22

Table 18. Electrical characteristics for LE45C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

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Table 19. Electrical characteristics for LE47AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 24

Table 20. Electrical characteristics for LE47C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 25

Table 21. Electrical characteristics for LE50AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 26

Table 22. Electrical characteristics for LE50C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 27

Table 23. Electrical characteristics for LE80AB (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 28

Table 24. Electrical characteristics for LE80C (refer to the test circuits 2.2 µF unless otherwise specified.) O Symbol Parameter V Output voltage O V Operating input voltage I I Output current limit O V Line regulation O ...

Page 29

Typical performance characteristics (unless otherwise specified V Figure 4. Dropout voltage vs output current Figure 6. Supply current vs temperature Figure 8. Short circuit current vs dropout voltage = 3.3 V) O(NOM) Figure 5. Dropout voltage vs temperature Figure ...

Page 30

Figure 10. Logic controlled precision 3.3/5.0 V selectable output Figure 11. Sequential multi-output supply 30/39 ...

Page 31

Figure 12. Multiple supply with ON/OFF toggle switch Figure 13. Basic inhibit functions 31/39 ...

Page 32

Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner ...

Page 33

SO-8 mechanical data mm. Dim. Min. Typ. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4.80 E 3.80 e 1.27 H 5.80 h 0.25 L 0.40 k ddd inch. Max. Min. Typ. 1.75 0.053 0.25 0.04 1.65 ...

Page 34

Dim. Min. A 4.32 b 0.36 D 4.45 E 3.30 e 2.41 e1 1.14 L 12.7 R 2.16 S1 0.92 W 0.41 34/39 TO-92 mechanical data mm. Typ. Max. Min. 4.95 170.1 0.51 14.2 4.95 175.2 3.94 129.9 2.67 94.9 ...

Page 35

Tape & reel SO-8 mechanical data mm. Dim. Min. Typ 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 inch. Max. Min. Typ. 330 13.2 0.504 0.795 2.362 22.4 8.5 0.319 ...

Page 36

Tape & reel for TO-92 mechanical data Dim. Min 12.5 P2 5.65 F1, F2 2.44 delta H W 17.5 W0 5 15. 3 delta P ...

Page 37

... LE35ABD-TR (1) (1) LE35CD LE35CD-TR (1) LE40ABD-TR (1) LE40CD-TR LE45CD-TR (1) (1) LE47ABD LE47ABD-TR (1) LE47CD-TR LE50ABD-TR LE50CD-TR LE80CD-TR 1. Available on request. Packages TO-92 TO-92 (T&R) (1) LE25CZ-TR LE30ABZ-TR LE30CZ-TR (1) LE33ABZ LE33ABZ-TR LE33CZ LE33CZ-TR (1) (1) LE35ABZ LE35ABZ-TR (1) LE35CZ-TR (1) (1) LE40ABZ LE40ABZ-TR (1) LE40CZ LE40CZ-TR (1) LE47ABZ-TR (1) (1) LE47CZ LE47CZ-TR LE50ABZ LE50ABZ-TR LE50CZ ...

Page 38

Revision history Table 26. Document revision history Date Revision 09-Jul-2004 6 16-Mar-2005 7 12-Feb-2007 8 26-Jul-2007 9 29-Nov-2007 10 12-Feb-2008 11 10-Jul-2008 12 38/39 Changes I typ. and max. are changed in tab. 24 and 25 - pag. 14. ...

Page 39

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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