zldo1117 Diodes, Inc., zldo1117 Datasheet
zldo1117
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zldo1117 Summary of contents
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... Description ZLDO1117 is a low dropout positive adjustable or fixed- mode regulator with 1A output current capability. The ZLDO1117 has a 2% tolerance across the industrial temperature range and is guaranteed to have lower than 1.2V dropout at full load current making it ideal to provide well-regulated outputs of 1.2V to 5.0V with input supply voltages up to 18V ...
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... Junction-to-Case, θ JC TO252-3L Notes: 3. ZLDO1117 contains an internal thermal limiting circuit that is designed to protect the regulator in the event that the maximum junction temperature exceeded. When activated, typically at 150°C, the regulator Output switches off and then back on as the die cools. ...
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... Quiescent current ZLDO1117-xx GND current 30ms pulse Thermal Regulation f = 120Hz, C Ripple Rejection I = 100mA, ZLDO1117-XXX V OUT I = 10mA Temperature Stability O Notes: 7. See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18” ...
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... I =1A OUT OUT OUT -50 75 100 125 www.diodes.com ZLDO1117 +1.5V<V <12V, I =10mA IN OUT - Temperature (C) Line regulation vs temperature T = 25ºC J ∆ OUT OUT 0.2 0.4 0.6 0.8 I (A) OUT Drop-out voltage vs current - Temperature (° ...
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... IN OUT I = 100mA 500mA PRELOAD step 10mV 0 -10mV 600mA 100mA Transient load regulation with 10µF tantalum capacitor Transient load regulation with 4.7µF MLCC capacitor ZLDO1117 2. 1µ OUT I = 100mA LOAD 10µs/div Transient line regulation with 4.7µF MLCC capacitor ...
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... This pin must always be 1.3V higher than V device to regulate properly. Applications information The ZLDO1117 family of quasi-LDO regulators is easy to use. They are protected against short circuit and thermal overloads. (see block diagram). Thermal protection circuitry will shut down the regulator should the junction temperature exceed 150°C at the sense point. The ZLDO1117 is pin compatible with similar ‘ ...
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... Some experimentation will be necessary to determine the actual value. Ripple Rejection When using the ZLDO1117 adjustable device the adjust terminal can be bypassed to improve ripple rejection. When the adjust terminal is bypassed the required value of the output capacitor increases. The device will require an output capacitor of 22µF tantalum or 150µF aluminum electrolytic when the adjust pin is bypassed. Normally, capacitor values on the order of 100µ ...
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... If C ADJ used recommended if ZLDO1117 is not located near the power supply filter external diode is recommended to protect the regulator if the input instantaneously is shorted to GND. E. This device is designed to be stable with tantalum and MLCC capacitors with an ESR less than 0.47Ω. ...
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... Figure 3 ZLDO1117 with extended output voltage ZLDO1117 OUT ADJ TTL T1 MMBT3904 Figure 4 ZLDO1117 with disable function Figure 5 ZLDO1117 as a negative LDO Issue 1 V OUT R1 121Ω 100 F R2 365Ω www.diodes.com ZLDO1117 June 2009 © ...
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... ZLDO1117G15TA SOT223-3L ZLDO1117K18TC 1.8V ZLDO1117G18TA SOT223-3L ZLDO1117K25TC 2.5V ZLDO1117G25TA SOT223-3L ZLDO1117K33TC 3.3V ZLDO1117G33TA SOT223-3L ZLDO1117K50TC 5.0V ZLDO1117G50TA SOT223-3L Notes Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes. 2. Pad layout as shown on Diodes Inc. suggested pad layout document ZLDO02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. ...
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... Package outlines SOT223 TO252 Issue www.diodes.com ZLDO1117 June 2009 © Diodes Incorporated ...
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... Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety- critical, life support devices or systems. Copyright © 2009, Diodes Incorporated www.diodes.com Issue 1 IMPORTANT NOTICE LIFE SUPPORT www.diodes.com ZLDO1117 June 2009 © Diodes Incorporated ...