CM4072 California Micro Devices, CM4072 Datasheet
CM4072
Related parts for CM4072
CM4072 Summary of contents
Page 1
... This is accomplished with an integrated charge pump that boosts the input voltage before feeding internal LDO linear regulator. The CM4072 oper- ates with excellent power supply ripple rejection while maintaining good power efficiency. The device utilizes two external capacitors and operates at 250kHz ...
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... BYP EN_LDO (Pin 6) CHARGE PUMP REGULATOR 1 Enabled 0 Enabled 1 Disabled 0 Disabled OUT is transferred to the reservoir capacitor C P Tel: 408.263.3214 ● PRELIMINARY CM4072 GND PAD This should and C and also the P S Enabled Disabled Disabled ...
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... Number Part Marking CM4072-50DF CM407 250DF ABSOLUTE MAXIMUM RATINGS Tel: 408.263.3214 ● PRELIMINARY CM4072 Lead-free Finish Ordering Part 1 Number Part Marking CM4072-50DE CM407 250DE RATING ± 2000 (V + 0.5) to (GND - 0.5) IN +5.5 to (GND - 0.5) -65 to +150 -40 to +85 -40 to +150 VALUE 2.8 to 5.5 -40 to +85 200 (approx 200 0 ...
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... BYP OUT BW=22Hz-22kHz 1μ 0.1μF, I OUT BYP Note 5. 5.0V IN LDO Only, Note 2 LDO Only, Note 2 = 10μF. S Tel: 408.263.3214 ● PRELIMINARY CM4072 (SEE NOTE 1) MIN TYP MAX < 100mA 5.5 5.8 7 < 100mA 4.85 5.15 0.2 0.02 500 0mA 180 = 100mA 180 10μ ...
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... Measured by forcing V voltage to 3.3V & 5.0V dc, then sweeping 100mV Figure 2. CM4072 PSRR (upper curve with V © 2005 California Micro Devices Corp. All rights reserved. 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 11/08/05 p 100 1000 Frequency [Hz & and are due to the ripple frequency of the charge pump (see later). ...
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... N. McCarthy Blvd., Milpitas, CA 95035-5112 =1.0μF, C =10μF, C =0.1μ BYP 80 100 ( 0mA = 100mA 100 Figure 10. Overcurrent Characteristic (LDO only) Tel: 408.263.3214 ● PRELIMINARY CM4072 =10μF unless otherwise noted) OUT 2 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1 3.5 4 4.5 5 5.5 V [V] IN Figure 7. V Threshold vs 300 ...
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... California Micro Devices Corp. All rights reserved. 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 11/08/05 =1.0μF, C =10μF, C =0.1μ BYP OUT Figure 14. Cold Start / Power-Up Figure 15. LDO Power-Up Figure 16. LDO Power-Down Tel: 408.263.3214 ● ● PRELIMINARY CM4072 =10μF unless otherwise noted) Fax: 408.263.7846 www.cmd.com ● 7 ...
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... Figure 20. I OUT 3 2.5 2 1 100 125 150 Tel: 408.263.3214 ● PRELIMINARY CM4072 =0.1μF, C =10μF unless otherwise noted) OUT I_OUT=0 I_OUT=30mA I_OUT=75mA I_OUT=100mA I_OUT=150mA 125 150 = 5V - 100 Temperature [°C] Leakage Current (Pins 6,7=0V) IN -50 ...
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... DGND (pin 1), GND (pin 4), the V pling capacitor (pin 2), the C Bypass decoupling capacitor (pin 5) and the V (C =10μF, S decoupling capacitor (pin 8). All decoupling capacitors and the C The C capacitor needs to be low-ESR. P Tel: 408.263.3214 ● PRELIMINARY CM4072 C = 0.47μ Frequency IN OUT S 3.14 15mA 46kHz 3 ...
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... C 5. Can the cold start power-up time be reduced? Yes, O 0.1μ reducing the value of the C 6 Tel: 408.263.3214 ● ● PRELIMINARY CM4072 can be 200mA 4.75V, OUT IN = 5.25V, IN (pin 3) must not approximately 100mA dc (pin (pin 10). This will cause ...
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... Mechanical Details TDFN-10 Mechanical Specifications Dimensions for the CM4072-50DF/DE supplied in a 10-lead TDFN package are presented below. For complete information on the TDFN-10, see the Cal- ifornia Micro Devices TDFN Package Information doc- ument. PACKAGE DIMENSIONS Package TDFN JEDEC MO-229 (Var. WEED-3) No ...