Datasheet ADP5304 (Analog Devices) - 8

ADP5304 Data Sheet 160 350 140 –40ºC –40ºC +25ºC +25ºC +85ºC 300 +85ºC A) 120 A) n +125ºC n +125ºC ( ( T N 100 NT 250 RRE 80 CU N CURRE T W N 60 200 DO CE S E HUT UI S 40 Q 150 20 0 100
5
2.3 2.9 3.5 4.1 4.7 5.3 5.9 6.5
-012
2.3 2.9 3.5 4.1 4.7 5.3 5.9 6.5
01
V
493-
IN (V)
493
VIN (V)
13 13 Figure 10. Shutdown Current vs. VIN, EN = Low Figure 13. Quiescent Current vs. VIN
700 400 –40ºC –40ºC 600 +25ºC 350 +25ºC ) +125ºC +125ºC ) Ω Ω (m 500 (m 300 ) H L N N) O O ( DS ( 400 DS 250 R R E E ID ID S -S H- 300 200 G HI LOW 200 150 100 100 2.3 2.9 3.5 4.1 4.7 5.3 5.9 6.5
-017
2.3 2.9 3.5 4.1 4.7 5.3 5.9 6.5
-020
VIN (V)
493
VIN (V)
493 13 13 Figure 11. High-Side RDS (ON) H vs. VIN Figure 14. Low-Side RDS (ON) L vs. VIN
810 808 VOUT ACTIVE TO STANDBY ) 806 V 1 m ( SW E 804 AG STANDBY TO ACTIVE T L 802 O 800 ACK V 2 DB 798 I E L E F 796 4 794 792
-023
–40 25 85 125
-019
CH1 100mV CH2 2.00V M 200µs C A H4 140mA
93
TEMPERATURE (°C) CH4 500mA Ω T 39.60%
3493 1 134 Figure 12. Feedback Voltage vs. Temperature Figure 15. Steady Waveform, ILOAD = 1 mA (IL is the Inductor Current) Rev. 0 | Page 8 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODE ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE VINOK FUNCTION CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH PRECHARGED OUTPUT 100% DUTY OPERATION ACTIVE DISCHARGE THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE