19-3372; Rev ; 7/4 FLAG RESET FLAG RESET µ µ TOP VIEW IN GND 1 2 6 OUT 5 SS µ µ PART TEMP RANGE PIN-PACKAGE MAX4832EUTxy_-T* -4 C to +85 C 6 SOT23-6 MAX4832ETTxy_-T -4 C to +85 C 6 TDFN-6 MAX4833EUTxy_dd-T* -4 C to +85 C 6 SOT23-6 MAX4833ETTxy_dd-T -4 C to +85 C 6 TDFN-6 RESET FLAG RESET FLAG RESET RESET FLAG FLAG * SHDN 3 EXPOSED PADDLE 4 RESET (FLAG) TDFN ( ) MAX4832ETTxyC ONLY. Pin Configurations continued at end of data sheet. Maxim Integrated Products 1
ABSOLUTE MAXIMUM RATINGS IN, SHDN, FLAG, OUT to GND...-.3V to +6V RESET to GND...-.3V to ( +.3V) SS to GND...-.3V to ( +.3V) IN to OUT...±6V OUT Short Circuit to GND...Continuous All Pins ESD Handling (Human Body Model)...2kV ELECTRICAL CHARACTERISTICS Continuous Power Dissipation (T A = +7 C) 6-Pin SOT23 (derate 9.1mW/ C above +7 C)...727mW 6-Pin TDFN (derate 24.4mW/ C above +7 C)...1951.2mW Operating Temperature Range...-4 C to +85 C Operating Junction Temperature Range...-4 C to +125 C Storage Temperature Range...-65 C to +15 C Lead Temperature (soldering, 1s)...+3 C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ( = + 1V, SHDN = IN, C OUT = 3.3µF, T A = -4 C to +85 C, unless otherwise noted. Typical values are at T A = +25 C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Operating Voltage 2.5 5.5 V Input Undervoltage Lockout Threshold V UVLO rising 2. 2.25 V Input Undervoltage Lockout Threshold Hysteresis Quiescent Current Dropout Voltage (Note 2) Output Voltage Accuracy I Q 5 mv SHDN = IN, I OUT = 9 15 SHDN = IN, I OUT =, V UVLO < < (nominal) 15 SHDN = GND, I OUT =.1 2 I OUT = 1mA T A = +25 C 75 15 T A = -4 C to +85 C 13 I OUT = 1mA to 1mA, T A = +25 C -1 +1 I OUT = 1mA to 1mA, T A = -4 C to +85 C -2 +2 Output Current I OUT 1 ma Output Current Limit VOUT = V 115 135 ma Reverse Current at = 5.5V, = V to.1 2 µa C SS = not connected.5 1 2. Soft-Start Time (Note 3) t SS C SS =.1µF 4 1 15 C SS =.1µF 5 1 15 µa mv %V NOM ms Line Regulation (Note 4) +.5V < < 5.5V, I LOAD = 1µA T A = +25 C -.4 +.2 +.65 T A = -4 C to +85 C -.5 +.3 +.8 %V NOM / V Load Regulation 1µA < I LOAD < 1mA, = + 1V 1.3 %V NOM Output Noise 1Hz to 1kHz, C SS =.1µF 7 µv RMS SHUTDOWN INPUT (SHDN) OUT Discharge Resistance in Shutdown (MAX4833) SHDN = GND 9 Ω SHDN Input-Voltage High V IH 1.4 V SHDN Input-Voltage Low V IL.5 V SHDN Input Hysteresis 3 mv SHDN Input Leakage Current SHDN = IN or GND -1 +1 na 2
ELECTRICAL CHARACTERISTICS (continued) ( = + 1V, SHDN = IN, C OUT = 3.3µF, T A = -4 C to +85 C, unless otherwise noted. Typical values are at T A = +25 C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RESET OUTPUT (MAX4833) RESET Threshold V RESET.85 x OUT Drop to RESET Delay (Note 5) RESET Timeout Period RESET Output-Voltage Low RESET Output-Voltage High FLAG OUTPUT (MAX4832).875 x.9 x t OR 35 µs t RESET D1 timing option 2.5 3.75 5. D2 timing option 2 3 4 D3 timing option 15 225 3 D4 timing option 12 18 24 1.V, I SINK = 5µA, RESET asserted.3 1.5V, I SINK = 3.2mA, RESET asserted 2.V, I SOURCE 5µA, RESET deasserted Blanking Time (Note 6) t BLANK + 1V 5.5V, OUT = GND 5 1 17 ms Open-Drain FLAG Output- Voltage Low.8 x I SINK = 3.2mA, FLAG asserted, 1.5V.4 V.4 V ms V V Open-Drain FLAG Leakage Current V FLAG = 5.5V.1 1 µa THERMAL PROTECTION Thermal-Shutdown Temperature Junction temperature rising +165 C Thermal-Shutdown Hysteresis 15 C Note 1: Parts are 1% tested at +25 C. Limits across the full temperature range are guaranteed by design and correlation over the specified temperature range. Note 2: The dropout voltage is measured from to when is 2% below its nominal value. The nominal output voltage is measured from to GND when is 1V greater than. Defined only for 2.5V. Note 3: Soft-start time is defined as the time required for the output to rise from 1% of its nominal value to 9% of its nominal value. Note 4: For < 2V, must be above 2.5V. Note 5: This is the maximum time OUT can be out of tolerance before a reset is issued. It is implemented to ensure that momentary output glitches do not trigger a reset condition. Note 6: In startup mode, the blanking time counter is not started until the soft-start time has elapsed. The total time from startup to FLAG issued is t SS + t BLANK. 3
( = + 1V, SHDN = IN, C OUT = 3.3µF, T A = +25 C, unless otherwise noted.) IQ (µa) 12 1 8 6 4 2 QUIESCENT CURRENT vs. INPUT VOLTAGE (NO LOAD) T A = +85 C T A = +25 C T A = -4 C = 1.5V 1 2 3 4 5 6 (V) MAX4832 toc1 IQ (µa) 35 3 25 2 15 1 QUIESCENT CURRENT vs. INPUT VOLTAGE (1mA LOAD) T A = +85 C T A = +25 C T A = -4 C 5 = 1.5V 1 2 3 4 5 6 (V) MAX4832 toc2 PULSE DURATION (µs) 9 75 6 45 3 MAXIMUM TRANSIENT DURATION vs. RESET THRESHOLD OVERDRIVE RESET ASSERTS ABOVE THIS LINE 15 = 3.5V = 2.5V 1 1 1 RESET THRESHOLD OVERDRIVE (mv) MAX4832 toc3 DROPOUT VOLTAGE (mv) 7 6 5 4 3 2 1 DROPOUT VOLTAGE vs. LOAD CURRENT = 3.3V MAX4832 toc4 PSRR (db) -1-2 -3-4 -5-6 -7 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY = 2V C OUT = 3.3µF I LOAD = 2mA MAX4832 toc5 COUT ESR (ohms) 1 9 8 7 6 5 4 3 2 1 REGION OF STABLE C OUT ESR vs. LOAD CURRENT = 1.5V STABLE REGION C OUT = 3.3µF C OUT = 4.7µF MAX4832 toc6 2 4 6 8 1 LOAD CURRENT (ma) -8.1.1 1 1 1 FREQUENCY (khz) 1 2 3 4 5 6 7 8 9 1 LOAD CURRENT (ma) OUTPUT NOISE (µvrms) 5 4 3 2 OUTPUT NOISE vs. FREQUENCY = 3V = 1.8V C SS = 1nF I LOAD = MAX4832 toc7 SOFT-START RESPONSE (C SS = FLOATING) MAX4832 toc8 t SS 1 1 1 1k 1k 1k FREQUENCY (Hz) 2ms/div 4
( = + 1V, SHDN = IN, C OUT = 3.3µF, T A = +25 C, unless otherwise noted.) SOFT-START RESPONSE (C SS =.1µF) MAX4832 toc9 2ms/div t SS SOFT-START RESPONSE (C SS =.1µF) MAX4832 toc1 t SS 2ms/div LOAD-TRANSIENT RESPONSE MAX4832 toc11 = 4.3V = 3.3V C IN =.1µF C OUT = 3.3µF I LOAD : STEP FROM 1mA TO 1mA BACK TO 1mA 1µs/div 5mV/div AC-COUPLED LOAD-TRANSIENT RESPONSE NEAR DROPOUT MAX4832 toc12 = 3.4V = 3.3V C IN =.1µF C OUT = 3.3µF I LOAD : STEP FROM 1mA TO 1mA BACK TO 1mA 1µs/div 5mV/div AC-COUPLED LINE-TRANSIENT RESPONSE MAX4832 toc13 C IN =.1µF C OUT = 3.3µF = 3.3V I LOAD = 1mA 1µs/div 5V 5mV/div 4.5V 5mV/div AC-COUPLED RESET RESPONSE TO MAX4832 toc14 C SS = FLOATING 4ms/div t RESET V RESET RESET RESPONSE TO MAX4832 toc15 = 3.5V, C SS = FLOATING RESET RESPONSE TO SHUTDOWN MAX4832 toc16 = 3.5V, C SS = FLOATING V SHDN t RESET V RESET t RESET V RESET 4ms/div 4ms/div 5
( = + 1V, SHDN = IN, C OUT = 3.3µF, T A = +25 C, unless otherwise noted.) FLAG RESPONSE WHEN OUT IS SHORTED TO GND < BLANKING TIME MAX4832 toc17 I OUT 1mA/div V FLAG FLAG RESPONSE WHEN OUT IS SHORTED TO GND > BLANKING TIME (IN IS TOGGLED) MAX4832 toc18 t BLANK V FLAG FLAG RESPONSE WHEN OUT IS SHORTED TO GND > BLANKING TIME (SHDN IS TOGGLED) MAX4832 toc19 t BLANK V FLAG V SHDN 1ms/div FLAG CONNECTED TO LOGIC SUPPLY 1ms/div FLAG CONNECTED TO LOGIC SUPPLY 1ms/div STARTUP IN AN OVERLOAD CONDITION (C SS NOT CONNECTED) MAX4832 toc2 t SS t BLANK 2ms/div = 2.5V I LOAD = I LIMIT MAXIMUM FLAG CONNECTED TO IN V FLAG STARTUP IN AN OVERLOAD CONDITION (C SS =.1µF) MAX4832 toc21 t SS t BLANK 4ms/div = 2.5V I LOAD = I LIMIT MAXIMUM FLAG CONNECTED TO IN V FLAG NORMALIZED OUTPUT VOLTAGE (V) 1.4 1.2 1..998.996 NORMALIZED OUTPUT VOLTAGE vs. TEMPERATURE NORMALIZED TO +25 C I LOAD = 1mA I LOAD = 5mA I LOAD = 1mA.994-4 -15 1 35 6 85 TEMPERATURE ( C) MAX4832 toc22 6
SOT23 TDFN 1 1 IN 2 2 GND 3 3 SHDN 4 4 FLAG (MAX4832) RESET (MAX4833) µ SHDN SHDN FLAG SHDN FLAG RESET SHDN RESET RESET 5 5 SS 6 6 OUT EP EP µ BLANK RESET RESET FLAG SHDN RESET RESET SHDN RESET RESET RESET SHDN µ µ SHDN 7
IN SHDN RESET (FLAG) OVERLOAD PROTECTION RESET TIMEOUT (BLANKING PERIOD) REVERSE- CURRENT PROTECTION PASS TRANSISTOR V REF V FB THERMAL PROTECTION ERROR AMPLIFIER 1.23V V REF v FB SWITCH OPEN DURING SOFT-START = V REF WHEN SOFT-START IS COMPLETE 9% x V REF MAX4833 ONLY 9Ω SWITCH CLOSED IN SHUTDOWN V REF 1.23µA OUT SS 1nF GND ( ) MAX4832 xyc ONLY. IN OUT IN OUT 2.5V TO 5.5V C IN.1µF V LOGIC C OUT 3.3µF LOAD 2.5V TO 5.5V C IN.1µF C OUT 3.3µF LOAD MAX4832 MAX4833 TO µc FLAG SS TO µc RESET SS C SS C SS OFF ON SHDN GND OFF ON SHDN GND 8
µ FLAG t SS = C SS (ms) SHDN µ µ µ µ µ 9
PART PIN- PACKAGE OUTPUT CURRENT (ma) RESET OUTPUT CONFIGURATION RESET (FLAG) SHUTDOWN DISCHARGE LATCH OFF MAX4832EUTxyC 6 SOT23-6 1 Open-Drain FLAG No Yes MAX4832ETTxyC 6 TDFN-6 1 Open-Drain FLAG No Yes MAX4833EUTxyBdd 6 SOT23-6 1 Push-Pull RESET Yes No MAX4833ETTxyBdd 6 TDFN-6 1 Push-Pull RESET Yes No xy OUTPUT VOLTAGE (V) 18 1.8 25 2.5 28 2.8 3 3. 33 3.3 TOP VIEW IN GND SHDN 1 6 OUT 2 MAX4832/ MAX4833 3 4 5 SS RESET (FLAG) dd RESET TIMEOUT (ms) D1 3.75 D2 3 D3 225 D4 18 SOT23 ( ) MAX4832EUTxyC ONLY. TRANSISTOR COUNT: 1575 PROCESS: BiCMOS TDFN Exposed Pad: Connected to GND 1
japan.maxim-ic.com/packages PIN 1 INDEX AREA D E DETAIL A E2 LC N L C 6, 8, &1L, DFN THIN.EPS L L A e e PACKAGE OUTLINE, 6, 8, 1 & 14L, TDFN, EXPOSED PAD, 3x3x.8 mm NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY 21-137 F 1 2 COMMON DIMENSIONS SYMBOL MIN. MAX. A.7.8 D 2.9 3.1 E 2.9 3.1 A1..5 L.2.4 k.25 MIN. A2.2 REF. PACKAGE VARIATIONS PKG. CODE N D2 E2 e JEDEC SPEC b [(N/2)-1] x e T633-1 6 1.5±.1 2.3±.1.95 BSC MO229 / WEEA.4±.5 1.9 REF T833-1 8 1.5±.1 2.3±.1.65 BSC MO229 / WEEC.3±.5 1.95 REF T133-1 1 1.5±.1 2.3±.1.5 BSC MO229 / WEED-3.25±.5 2. REF T1433-1 14 1.7±.1 2.3±.1.4 BSC - - - -.2±.3 2.4 REF T1433-2 14 1.7±.1 2.3±.1.4 BSC - - - -.2±.3 2.4 REF PACKAGE OUTLINE, 6, 8, 1 & 14L, TDFN, EXPOSED PAD, 3x3x.8 mm 21-137 F 2 2 11
japan.maxim-ic.com/packages 6LSOT.EPS PACKAGE OUTLINE, SOT-23, 6L 21-58 F 1 1 12 Maxim Integrated Products, 12 San Gabriel Drive, Sunnyvale, CA 9486 48-737-76 24 Maxim Integrated Products, Inc. All rights reserved. is a registered trademark of Maxim Integrated Products.