Datasheet ADP5304 (Analog Devices) - 4

ADP5304 Data Sheet SPECIFICATIONS
VIN = 3.6 V, VOUT = 2.5 V, TJ = −40°C to +125°C for minimum and maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 1. Parameter Symbol Min Typ Max Unit Test Conditions/Comments
INPUT SUPPLY VOLTAGE RANGE VIN 2.15 6.50 V SHUTDOWN CURRENT ISHUTDOWN 18 40 nA VEN = 0 V, −40°C ≤ TJ ≤ +85°C 18 130 nA VEN = 0 V, −40°C ≤ TJ ≤ +125°C QUIESCENT CURRENT Operating Quiescent Current IQ 260 360 nA −40°C ≤ TJ ≤ +85°C 260 500 nA −40°C ≤ TJ ≤ +125°C 640 1500 nA 100% duty cycle operation, VIN = 3.0 V, VOUT set as 3.3 V UNDERVOLTAGE LOCKOUT UVLO UVLO Threshold Rising VUVLO_RISING 2.06 2.14 V Falling VUVLO_FALLING 1.90 2.00 V EN PIN Input Voltage Threshold High VIH 1.2 V Low VIL 0.4 V Input Leakage Current IEN_LEAKAGE 25 nA FB PIN Output Options by VID Resistor VOUT_OPT 0.8 5.0 V 0.8 V to 5.0 V in different factory option Fixed VID Code Threshold Accuracy from Active VFB_FIX −0.75 +0.75 % TJ = 25°C Mode to Standby Mode −2.5 +2.5 % −40°C ≤ TJ ≤ +125°C Adjustable VID Code Threshold Accuracy from VFB_ADJ −3 +3 % −40°C ≤ TJ ≤ +125°C Active Mode to Standby Mode Hysteresis of Threshold Accuracy from Active VFB (HYS) 1 % Mode to Standby Mode Feedback Bias Current IFB 66 95 nA Output Option 0, VOUT = 2.5 V 25 45 nA Output Option 1, VOUT = 1.3 V SW PIN High-Side Power FET On Resistance RDS (ON) H 386 520 mΩ Pin to pin measurement Low-Side Power FET On Resistance RDS (ON) L 299 470 mΩ Pin to pin measurement Peak Current ILIM 265 mA Minimum On Time tMIN_ON 40 70 ns VINOK PIN VINOK Monitor Threshold Range VVINOK (RISE) 2.05 5.15 V Factory programmable VINOK Monitor Accuracy Range −1.5 +1.5 % TJ = 25°C −3 +3 % −40°C ≤ TJ ≤ +125°C VINOK Monitor Threshold Hysteresis VVINOK (HYS) 1.5 % VINOK Rising Delay tVINOK_RISE 190 μs VINOK Falling Delay tVINOK_FALL 130 μs Leakage Current for the VINOK Pin IVINOK_LEAKAGE 0.1 1 μA Output Low Voltage for the VINOK Pin VVINOK_LOW 50 100 mV IVINOK = 100 μA SOFT START Default Soft Start Time tSS 350 μs Factory trim, 1 bit (350 μs, 2800 μs) Start-Up Delay tSTART_DELAY 2 ms Delay from the EN pin being pulled high COUT DISCHARGE SWITCH ON RESISTANCE RDIS 290 Ω THERMAL SHUTDOWN Threshold TSHDN 142 C Hysteresis THYS 127 C Rev. 0 | Page 4 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