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LM3269 Datasheet(PDF) 13 Page - Texas Instruments

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Part # LM3269
Description  Seamless-Transition Buck-Boost Converter
PDF  27 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM3269 Datasheet(HTML) 13 Page - Texas Instruments

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LM3269
www.ti.com
SNVS793D – NOVEMBER 2011 – REVISED MAY 2015
Table 3. Suggested Capacitors
MODEL
VENDOR
10 µF for CIN
C1608X5R0J106K (0603)
TDK
CL05A106MQ5NUN (0402)
Samsung
4.7 µF for COUT
C1608X5R0J475M (0603)
TDK
CL05A475MQ5NRN (0402)
Samsung
C1005X5RR0J475M (0402)
TDK
8.2.3 Application Curves
PVIN= 3.7 V
VOUT = 3.2 V
Load = 500 mA
PVIN = 3.7 V
VOUT = 0.8 V↔ 2 V
RLOAD = 20 Ω
Figure 10. Buck Mode Operation
Figure 9. VOUT Transient Response (PFM ↔ PWM)
PVIN = 3.8 V
VOUT = 3.6 V
IOUT = 600 mA
PVIN = 3.37 V
VOUT = 3.45 V
Load = 500 mA
Figure 12. Buck-Boost Operation
Figure 11. Boost Mode Operation
Copyright © 2011–2015, Texas Instruments Incorporated
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