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LM2735XMF/NOPB Datasheet(PDF) 18 Page - Texas Instruments

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Part # LM2735XMF/NOPB
Description  LM2735-xx 520-kHz and 1.6-MHz Space-Efficient Boost and SEPIC DC-DC Regulator
PDF  59 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM2735XMF/NOPB Datasheet(HTML) 18 Page - Texas Instruments

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background image
GND
FB
Vin
SW
EN
1
C
12V
3
2
1
4
5
3
R
1
L
1
D
2
C
2
R
1
R
LOAD
R
3
C
VIN
LM2735, LM2735-Q1
SNVS485G – JUNE 2007 – REVISED AUGUST 2015
www.ti.com
8.2.1.3 Application Curves
Vin = 3.3 V
Vout = 12 V
Vin = 5 V
Vout = 12 V
Figure 21. LM2735X Typical Startup Waveform
Figure 22. LM2735X Typical Startup Waveform
8.2.2 LM2735Y SOT-23 Design Example 2
Figure 23. LM2735Y (520 kHz): VIN = 5 V, VOUT = 12 V at 350 mA
PART ID
PART VALUE
MANUFACTURER
PART NUMBER
U1
2.1-A Boost Regulator
TI
LM2735YMF
C1, Input Capacitor
22 µF, 6.3 V, X5R
TDK
C2012X5R0J226M
C2 Output Capacitor
10 µF, 25 V, X5R
TDK
C3216X5R1E106M
C3 Comp Capacitor
330 pF
TDK
C1608X5R1H331K
D1, Catch Diode
0.4 Vf Schottky 1 A, 20 VR
ST
STPS120M
L1
33 µH 1.5 A
Coilcraft
DS3316P-333ML
R1
10.2 k
Ω, 1%
Vishay
CRCW06031022F
R2
86.6 k
Ω, 1%
Vishay
CRCW06038662F
R3
100 k
Ω, 1%
Vishay
CRCW06031003F
18
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Copyright © 2007–2015, Texas Instruments Incorporated
Product Folder Links: LM2735 LM2735-Q1



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