L5956_11 STMICROELECTRONICS [STMicroelectronics], L5956_11 Datasheet

no-image

L5956_11

Manufacturer Part Number
L5956_11
Description
Multifunction voltage regulator for car radio
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
Features
Table 1.
June 2011
Four outputs:
– 8.5 V @ 500 mA
– 5 V @ 300 mA permanent
– 5 V @ 800 mA
– 3.3 V @ 800 mA
2 A high side driver
Reset function
Ignition comparator
Load dump protection
Thermal shutdown
Overcurrent limitation
All pins ESD protected
L5956PDTR
Order code
Device summary
L5956PD
L5956
Multifunction voltage regulator for car radio
Multiwatt 15 (vertical)
Doc ID 13852 Rev 3
PowerSO20
PowerSO20
Package
Description
The L5956 contains a triple voltage regulator and
a power switch.
The IC includes a monitoring circuit for detection.
The IC features a very low quiescent under standby.
PowerSO20 (slug-up)
Tape and reel
Multiwatt 15 (vertical)
Packing
Tube
Tube
L5956
www.st.com
1/17
1

Related parts for L5956_11

L5956_11 Summary of contents

Page 1

Features ■ Four outputs: – 8 500 mA – 300 mA permanent – 800 mA – 3 800 mA ■ high side driver ■ Reset function ■ Ignition ...

Page 2

Contents Contents 1 Block diagram and pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Block diagram ...

Page 3

L5956 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4

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

Page 5

L5956 1 Block diagram and pins description 1.1 Block diagram Figure 1. Block diagram 1.2 Pins description Figure 2. Pins connection (top view) Block diagram and pins description Doc ID 13852 Rev 3 5/17 ...

Page 6

Electrical specifications 2 Electrical specifications 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V DC operating supply voltage SDC V Transient supply voltage STR I Output current O T Operating temperature range op T Storage temperature stg T ...

Page 7

L5956 Table 4. Electrical characteristics (continued) Symbol Parameter Load dump Battery overvoltage V in1 Load dump Battery overvoltage V in2 REGULATOR 1 V Output voltage 8 (REG 1) ΔV Line regulation ΔV Line regulation ΔVi Load regulation I ...

Page 8

Electrical specifications Table 4. Electrical characteristics (continued) Symbol Parameter REGULATOR 4 V Output voltage 3 (REG 4) ΔV Line regulation ΔV Line regulation ΔVi Load regulation I Quiescent current q PSRR Supply voltage ripple rejection V Drop out ...

Page 9

L5956 Table 4. Electrical characteristics (continued) Symbol Parameter V Low V threshold HOLD R IN1 V Hysteresis low TH. HYS (HOLD_L) V High V threshold HOLD F IN1 V Hysteresis high TH. HYS (HOLD_M) IGNITION BUFFER (push-pull with Schmidt trigger) ...

Page 10

Electrical specifications Figure 3. Typical application circuit Figure 4. Maximum ESR for stability valid for all the regulators outputs 10/17 Doc ID 13852 Rev 3 L5956 ...

Page 11

L5956 3 Timing diagrams Figure 5. Timing diagram of regulators and power switch Figure 6. Backup and reset diagram Doc ID 13852 Rev 3 Timing diagrams 11/17 ...

Page 12

Timing diagrams Figure 7. Hold and thermal protection Figure 8. Ignition buffer diagram Figure 9. Protection of the power switch 12/17 Doc ID 13852 Rev 3 L5956 ...

Page 13

L5956 Figure 10. Short circuit diagram Doc ID 13852 Rev 3 Timing diagrams 13/17 ...

Page 14

Package information 4 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ...

Page 15

L5956 Figure 12. Multiwatt 15 (vertical) mechanical data and package dimensions Doc ID 13852 Rev 3 Package information 15/17 ...

Page 16

Revision history 5 Revision history Table 5. Document revision history Date 29-Aug-2007 08-Jan-2010 27-Jun-2011 16/17 Revision 1 Initial release. Updated Figure Added Figure 4: Maximum ESR for stability valid for all the regulators outputs on page ...

Page 17

L5956 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 ...

Related keywords