L5957 STMICROELECTRONICS | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 16
Technical content
Datasheet sections
- 1 Block and pins connection diagrams
- 2 Electrical specifications
- 2.1 Absolute maximum ratings
- 2.2 Thermal data
- 2.3 Electrical characteristics
- 3 Package information
- 4 Revision history
Features
■ Four outputs: – 8.5 V @ 500 mA – 5 V @ 300 mA Permanent –5 V @ 8 0 0 m A – 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
Description
The L5957 contains a triple voltage regulator and a power switch. The IC includes a monitoring circuit for detection. The IC features a very low quiescent current in standby. PowerSO20 (Slug up) Multiwatt15 (Vertical) Table 1. Device summary
1 Block and pins connection diagrams
Figure 1. Block diagram Figure 2. Pins connection
2 Electrical specifications
2.1 Absolute maximum ratings
2.2 Thermal data
2.3 Electrical characteristics
VS = 14.4 V; Tamb = 25 °C; unless otherwise specified. Table 2. Absolute maximum ratings Table 3. Thermal data Table 4. Electrical characteristics
Table 4. Electrical characteristics (continued)
Figure 3. Typical application circuit
- Drop condition means that the supply voltage drop down to 100 mV from the regulated output and the regulator is sourcing
3 Package information
specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Figure 11. PowerSO20 (slug up) mech anical data and package dimensions (1) ÒD and E1Ó do not include mold flash or protusions.
- Critical dimensions: ÒEÓ, Òa1Ó, ÒeÓ and ÒGÓ.
Figure 12. Multiwatt15 (vertical) mechanical data and package dimensions
4 Revision history
Table 5. Document revision history 11-Feb-2008 1 Initial release. 08-Jan-2010 2 Updated Section 1: Block and pins connection diagrams on page 5.