LD29150 ST Microelectronics, LD29150 Datasheet

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LD29150

Manufacturer Part Number
LD29150
Description
1.5A / VERY LOW DROP VOLTAGE REGULATORS
Manufacturer
ST Microelectronics
Datasheet

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DESCRIPTION
The LD29150 is a high current, high accuracy,
low-dropout voltage regulator series. These
regulators feature 400mV dropout voltage and
very low ground current. Designed for high current
loads, these devices are also used in lower
current, extremely low dropout-critical systems,
where their tiny dropout voltage and ground
current values are important attributes. Typical
applications are in Power supply switching post
regulation, Series power supply for monitors,
Series power supply for VCRs and TVs, Computer
Systems and Battery powered systems.
Figure 1: Schematic Diagram For Adjustable Version
November 2004
VERY LOW DROPOUT VOLTAGE (TYP. 0.4
AT 1.5A)
GUARANTEED OUTPUT CURRENT UP TO
1.5A
FIXED AND ADJUSTABLE OUTPUT
VOLTAGE ( 1% AT 25°C)
INTERNAL CURRENT AND THERMAL LIMIT
LOGIC CONTROLLED ELECTRONIC
SHUTDOWN AVAILABLE IN PPAK
1.5A, VERY LOW DROP VOLTAGE REGULATORS
TO-220
PPAK
Rev. 7
LD29150
TO-220FP
SERIES
DPAK
1/17

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LD29150 Summary of contents

Page 1

... INTERNAL CURRENT AND THERMAL LIMIT LOGIC CONTROLLED ELECTRONIC SHUTDOWN AVAILABLE IN PPAK DESCRIPTION The LD29150 is a high current, high accuracy, low-dropout voltage regulator series. These regulators feature 400mV dropout voltage and very low ground current. Designed for high current loads, these devices are also used in lower ...

Page 2

... LD29150 SERIES Figure 2: Schematic Diagram For Fixed Version * Only for version with inhibit function. Table 1: Ordering Codes TO-220 (#) TO-220FP (#) LD29150V15 LD29150P15 LD29150V18 LD29150P18 LD29150V25 LD29150P25 LD29150V33 LD29150P33 LD29150V50 LD29150P50 LD29150V80 LD29150P80 (*) Available in Tape & Reel with the suffix "R". (#) Available on request. ...

Page 3

... Figure 3: Pin Connection (top view) TO-220 PPAK * Not connected for fixed version. Figure 4: Application Circuit * Only for version with inhibit function. DPAK PPAK TO-220 100 100 50 TO-220FP DPAK REF R 2 LD29150 SERIES TO-220FP Unit 4 °C/W 60 °C/W 3/17 ...

Page 4

... V Control Input Logic Low IL V Control Input Logic High IH I Control Input Current INH eN Output Noise Voltage NOTE 1: Guaranteed by design. NOTE 2: Only for version with Inhibit function. Table 5: Electrical Characteristics Of LD29150# 10mA 25° 3.8V Symbol Parameter V Output Voltage O V ...

Page 5

... Table 6: Electrical Characteristics Of LD29150# 10mA 25° 4.5V Symbol Parameter V Output Voltage O V Load Regulation O V Line Regulation O SVR Supply Voltage Rejection V Dropout Voltage DROP I Quiescent Current q I Short Circuit Current sc V Control Input Logic Low IL V Control Input Logic High ...

Page 6

... Output Noise Voltage NOTE 1: Guaranteed by design. NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with V applied NOTE 3: Only for version with Inhibit function. Table 9: Electrical Characteristics Of LD29150# 10mA 25° 10V ...

Page 7

... Table 10: Electrical Characteristics Of LD29150#ADJ (I = 10mA 25° 3. pin) Symbol Parameter V Minimum Operating Input I Voltage V Load Regulation O V Line Regulation O V Reference Voltage REF SVR Supply Voltage Rejection I Quiescent Current q I Adjust Pin Current ADJ I Short Circuit Current sc V Control Input Logic Low ...

Page 8

... LD29150 SERIES Figure 7: Dropout Voltage vs Temperature Figure 8: Dropout Voltage vs Output Current Figure 9: Quiescent Current vs Output Current 8/17 Figure 10: Quiescent Current vs Output Current Figure 11: Quiescent Current vs Supply Voltage Figure 12: Quiescent Current vs Temperature ...

Page 9

... Figure 13: Quiescent Current vs Temperature Figure 14: Short Circuit Current vs Temperature Figure 15: Adjust Pin Current vs Temperature LD29150 SERIES Figure 16: Supply Voltage Rejection vs Temperature Figure 17: Output Voltage vs Input Voltage Figure 18: Stability 9/17 ...

Page 10

... LD29150 SERIES Figure 19: Line Transient V =3.5 to 5.5V, I =10mA, V =2.5V Figure 20: Load Transient V =5V, I =10mA to 1.5A, V =2.5V 10/17 Figure 21: Start-Up Time 10mA = =10µ Figure 22: Start-Up Time 1.5A C =10µ =10mA, V =2V, V =5V, V =7V O INH O I =1.5A, V =2V, V =5V, V ...

Page 11

... TYP MAX. 4.60 0.173 0.88 0.024 1.70 0.045 0.70 0.019 15.75 0.600 10.40 0.393 2.7 0.094 5.15 0.194 1.32 0.048 6.6 0.244 2.72 0.094 14.0 0.511 3.93 0.137 16.4 28.9 3.85 0.147 2.95 0.104 LD29150 SERIES inch MIN. TYP. 0.645 1.138 0015988/N MAX. 0.181 0.034 0.067 0.027 0.620 0.409 0.106 0.203 0.051 0.260 0.107 0.551 0.154 0.151 0.116 11/17 ...

Page 12

... LD29150 SERIES DIM. MIN. A 4.40 B 2.5 D 2.5 E 0.45 F 0.75 F1 1.15 F2 1.15 G 4.95 G1 2 28.6 L4 9.8 L5 2 DIA. 3 12/17 TO-220FP MECHANICAL DATA mm. TYP MAX. 4.60 2.7 2.75 0.70 1 1.50 1.50 5.2 2.7 10.40 16 30.6 10.6 3.6 16.4 9.3 3.2 inch MIN. TYP. 0.173 0.098 0.098 0.017 0.030 0.045 0.045 0.194 0.094 0.393 0.630 1.126 0.385 0.114 0.626 0.354 0.118 7012510A-H MAX. ...

Page 13

... L2 L4 0.6 mm. TYP MAX. 2.4 0.086 1.1 0.035 0.23 0.001 0.9 0.025 5.4 0.204 0.6 0.017 0.6 0.019 6.2 0.236 5.1 6.6 0.252 4.7 2.28 4.6 0.173 10.1 0.368 0.039 2.8 0.8 1 0.023 LD29150 SERIES inch MIN. TYP. MAX. 0.094 0.043 0.009 0.035 0.212 0.023 0.023 0.244 0.200 0.260 0.185 0.090 0.181 0.397 0.110 0.031 0.039 0068772-F 13/17 ...

Page 14

... LD29150 SERIES DIM. MIN. A 2.2 A1 0.9 A2 0.03 B 0.4 B2 5.2 C 0. 4.9 G1 2. 14/17 PPAK MECHANICAL DATA mm. TYP MAX. 2.4 1.1 0.23 0.6 5.4 0.6 0.6 6.2 5.1 6.6 4.7 1.27 5.25 2.7 10.1 0 2.8 inch MIN. TYP. 0.086 0.035 0.001 0.015 0.204 0.017 0.019 0.236 0.201 0.252 0.185 0.050 0.193 0.093 0.368 0.031 0.023 0.039 ...

Page 15

... Tape & Reel DPAK-PPAK MECHANICAL DATA DIM. MIN 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 mm. TYP MAX. 330 13.0 13.2 22.4 6.90 7.00 10.50 10.60 2.65 2.75 4.0 4.1 8.0 8.1 LD29150 SERIES inch MIN. TYP. 12.992 0.504 0.512 0.795 2.362 0.268 0.272 0.409 0.413 0.100 0.104 0.153 0.157 0.311 0.315 MAX. 0.519 0.882 0.2.76 0.417 0.105 0.161 0.319 15/17 ...

Page 16

... LD29150 SERIES Table 11: Revision History Date Revision 17-Jun-2004 5 19-Jul-2004 6 08-Nov-2004 7 16/17 Description of Changes Add figures 20 and 21, PPAK, TO-220 and TO-220FP mechanical data updated. Remove Package TO-220FP4. Mistake Figure 7. ...

Page 17

... 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 All other names are the property of their respective owners © 2004 STMicroelectronics - All Rights Reserved STMicroelectronics group of companies www.st.com LD29150 SERIES 17/17 ...

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