LP38693-ADJEV National Semiconductor, LP38693-ADJEV Datasheet
LP38693-ADJEV
Specifications of LP38693-ADJEV
Related parts for LP38693-ADJEV
LP38693-ADJEV Summary of contents
Page 1
... Guaranteed specs for -40°C to +125°C ■ 1µA off-state quiescent current ■ Thermal overload protection ■ Foldback current limiting ■ T0-252, SOT-223 and 6-Lead LLP packages ■ Enable pin (LP38693) Applications ■ Hard Disk Drives ■ Notebook Computers ■ Battery Powered Devices ■ Portable Instrumentation ...
Page 2
... LLP Only - The DAP (Exposed Pad) functions as a thermal connection when soldered to a copper plane. See www.national.com 20126503 20126505 Description . OUT LLP MOUNTING section in Application Hints 2 20126504 SOT-223, Top View LP38693MP-X.X 20126506 6-Lead LLP, Top View LP38693SD-X.X pins must be tied together IN for more information. ...
Page 3
... LP38693MPX-1.8 LJVB LP38693MPX-2.5 LJXB LP38693MPX-3.3 LJYB LP38693MPX-5.0 LJZB For LP38691 Ordering and Availability Information see: http://www.national.com/pf/LP/LP38691.html#Order For LP38693 Ordering and Availability Information see: http://www.national.com/pf/LP/LP38693.html#Order Package Type Package Drawing 6-Lead LLP SDE06A 6-Lead LLP SDE06A 6-Lead LLP SDE06A 6-Lead LLP ...
Page 4
... 3. 0.5A L ≤ V 10V, I =100 µ ≤ V 0.4V, (LP38693 Only) EN ≤ > < 2V(DC), with 1V(p- 120Hz Ripple 4 -0.3V to 12V Internally Limited −40°C to +150°C 2.7V to 10V −40°C to +125°C = 25°C, and limits in boldface type apply over ...
Page 5
... V Enable Voltage (LP38693 Only Enable Pin Leakage (LP38693 EN Only) Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Operating ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications, see Electrical Characteristics. Specifications do not apply when operating the device outside of its rated operating conditions ...
Page 6
Block Diagrams www.national.com FIGURE 1. LP38691 Functional Diagram (LLP) FIGURE 2. LP38691 Functional Diagram (TO-252) 6 20126507 20126508 ...
Page 7
... FIGURE 3. LP38693 Functional Diagram (LLP) FIGURE 4. LP38693 Functional Diagram (SOT-223) 7 20126509 20126510 www.national.com ...
Page 8
... Typical Performance Characteristics pin is tied to V (LP38693 only OUT Noise vs Frequency Noise vs Frequency Ripple Rejection www.national.com Unless otherwise specified 1.8V +1V 10mA. IN OUT L 20126535 20126537 20126520 8 = 25° µF, Enable J IN OUT Noise vs Frequency 20126536 Ripple Rejection 20126518 Ripple Rejection 20126522 ...
Page 9
Line Transient Response 20126524 Line Transient Response 20126528 Load Transient Response 20126544 Line Transient Response Load Transient Response V vs Temperature (5.0V) OUT 9 20126526 20126542 20126530 www.national.com ...
Page 10
... V vs Temperature (3.3V) OUT V vs Temperature (1.8V) OUT Power-Up OUT IN www.national.com V vs Temperature (2.5V) OUT 20126531 V OUT 20126533 OUT 20126560 10 20126532 vs V (1.8V) IN 20126559 , ON (LP38693 Only) EN 20126561 ...
Page 11
... OFF (LP38693 Only) OUT EN 20126562 Load Regulation vs Temperature 20126553 MIN OUT 20126557 Enable Voltage vs Temperature Line Regulation vs Temperature Dropout Voltage 20126552 20126554 OUT 20126556 www.national.com ...
Page 12
... However, when V IN circuity is alive, or the Enable pin is low (LP38693 only), and the output voltage is more than 500 mV (typical) above the input voltage the parasitic diode becomes forward biased and current flows from the output pin to the input pin through the diode ...
Page 13
... LLP package, the junction-to-case thermal rating, θJC, is 10.4°C/W, where the case is the bottom of the package at the center of the DAP. The junction-to-ambient thermal perfor- mance for the LP38691SD and LP38693SD in the SDE06A 6-Lead LLP package, using the JEDEC JESD51 standards is summarized in the following table: ...
Page 14
Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 6-lead, LLP Package NS Package Number SDE06A TO-252 Package NS Package Number TD03B 14 ...
Page 15
SOT-223 Package NS Package Number MP05A 15 www.national.com ...
Page 16
... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...