ld39100pu33r STMicroelectronics, ld39100pu33r Datasheet
ld39100pu33r
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ld39100pu33r Summary of contents
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A, low quiescent current, low noise voltage regulator Features ■ Input voltage from 1.5 to 5.5 V ■ Ultra low dropout voltage (200 mV typ load) ■ Very low quiescent current (20 µA typ ...
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Contents 1 Circuit schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Circuit schematics Figure 1. Schematic diagram for the LD39100PU IN IN BandGap BandGap reference reference EN EN Figure 2. Schematic diagram for the LD39100PUxx IN IN BandGap BandGap reference reference EN EN Power-good Power-good Current Current OpAmp OpAmp limit ...
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Pin configuration Figure 3. Pin connection (top view) EN GND PG LD39100PUxx Table 2. Pin description Pin n° Symbol LD39100PU LD39100PUxx EN 1 GND OUT ADJ GND EXP ...
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Maximum ratings Table 3. Absolute maximum ratings Symbol V DC input voltage output voltage OUT EN Enable pin PG Power Good pin ADJ Adjust pin I Output current OUT P Power dissipation D T Storage temperature ...
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Electrical characteristics ° 1 specified. Table 6. Electrical characteristics for the LD39100PU Symbol Parameter V Operating input voltage accuracy ADJ ADJ I Adjust pin current ADJ ΔV ...
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Table 6. Electrical characteristics for the LD39100PU (continued) Symbol Parameter Enable input logic low V EN Enable input logic high I Enable pin input current EN (4) t Turn-on time ON Thermal shutdown T SHDN Hysteresis C Output capacitor OUT ...
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° otherwise specified. Table 7. Electrical characteristics for LD39100PUxx Symbol Parameter V Operating input voltage accuracy OUT OUT ΔV Static line regulation OUT ΔV Transient line regulation OUT ΔV ...
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Table 7. Electrical characteristics for LD39100PUxx (continued) Symbol Parameter I Enable pin input current EN (4) T Turn-on time ON Thermal shutdown T SHDN Hysteresis C Output capacitor OUT 1. All transient values are guaranteed by design, not production tested ...
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Typical performance characteristics µF. IN OUT Figure 4. V accuracy ADJ 0. ...
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Figure 10. Output voltage vs. input voltage 1.2 1 from from ...
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Figure 16. Line regulation 0.04 0. from 3 5 from 3 5 100 mA 100 mA OUT OUT 0.03 0.03 0.02 0.02 ...
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Figure 22. Enable voltage vs. temperature 5 5 100 mA 100 mA OUT OUT 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 0.5 0.5 ...
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Figure 28. Startup transient OUT OUT from 0 =0 OUT OUT Figure 30. ESR required for stability with ceramic capacitors 0.25 UNSTABLE ZONE 0.2 ...
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Application information The LD39100xx is an ultra low dropout linear regulator. It provides with a low 200 mV dropout. The input voltage range is from 1 5.5 V. The device is available in ...
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For the adjustable version, the output voltage can be adjusted from 0 the input voltage, minus the voltage drop across the PMOS (dropout voltage), by connecting a resistor divider between the ADJ pin and the output, thus ...
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Enable function The LD39100xx features an enable function. When the EN voltage is higher than 2 V, the device is ON, and lower than 0.8 V, the device is OFF. In shutdown mode, consumption is lower ...
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Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: ® ECOPACK ...
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DFN6 (3x3 mm) mechanical data mm. Dim. Min. Typ. A 0.80 0. 0.02 A3 0.20 b 0.23 0.30 D 2.90 3.00 D2 2.23 2.38 E 2.90 3.00 E2 1.50 1.65 e 0.95 L 0.30 0.40 Max. Min. 1.00 ...
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Tape & reel QFNxx/DFNxx (3x3) mechanical data Dim. Min 12 20/24 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 18.4 3.3 3.3 1 Doc ID ...
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Figure 35. DFN6 ( footprint recommended data Doc ID 15676 Rev 1 21/24 ...
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... Different output voltage versions of the LD39100xx available on request Table 8. Options available on request Order codes LD39100PU10R LD39100PU15R LD39100PU18R LD39100PU33R 22/24 Doc ID 15676 Rev 1 Output voltages 1.0 V 1.5 V 1.8 V 3.3 V ...
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Revision history Table 9. Document revision history Date Revision 29-Jul-2009 1 Changes Initial release. Doc ID 15676 Rev 1 23/24 ...
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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...