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LM2736 Datasheet(PDF) 17 Page - Texas Instruments

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Part # LM2736
Description  Thin SOT23 750mA Load Step-Down DC-DC Regulator
PDF  27 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM2736 Datasheet(HTML) 17 Page - Texas Instruments

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VIN
VIN
EN
BOOST
SW
FB
GND
VOUT
C3
L1
C2
R1
R2
D1
D2
ON
OFF
C1
R3
LM2736
www.ti.com
SNVS316E – SEPTEMBER 2004 – REVISED SEPTEMBER 2011
Table 5. Bill of Materials for Figure 12 (continued)
Part ID
Part Value
Part Number
Manufacturer
C3, Boost Cap
0.01µF, 16V, X7R
C1005X7R1C103K
TDK
D1, Catch Diode
0.4VF Schottky 1A, 30VR
SS1P3L
Vishay
D2, Boost Diode
1VF @ 50mA Diode
1N4148W
Diodes, Inc.
D3, Zener Diode
4.3V 350mw SOT-23
BZX84C4V3
Diodes, Inc.
L1
6.8µH, 1.6A,
SLF7032T-6R8M1R6
TDK
R1
61.9k
Ω, 1%
CRCW06036192F
Vishay
R2
10k
Ω, 1%
CRCW06031002F
Vishay
R3
100k
Ω, 1%
CRCW06031003F
Vishay
LM2736Y Circuit Examples
Figure 13. LM2736Y (550kHz)
VBOOST Derived from VIN
5V to 1.5V/750mA
Table 6. Bill of Materials for Figure 13
Part ID
Part Value
Part Number
Manufacturer
U1
750mA Buck Regulator
LM2736Y
National Semiconductor
C1, Input Cap
10µF, 6.3V, X5R
C3216X5ROJ106M
TDK
C2, Output Cap
22µF, 6.3V, X5R
C3216X5ROJ226M
TDK
C3, Boost Cap
0.01µF, 16V, X7R
C1005X7R1C103K
TDK
D1, Catch Diode
0.3VF Schottky 1A, 10VR
MBRM110L
ON Semi
D2, Boost Diode
1VF @ 50mA Diode
1N4148W
Diodes, Inc.
L1
10µH, 1.6A,
SLF7032T-100M1R4
TDK
R1
2k
Ω, 1%
CRCW06032001F
Vishay
R2
10k
Ω, 1%
CRCW06031002F
Vishay
R3
100k
Ω, 1%
CRCW06031003F
Vishay
Copyright © 2004–2011, Texas Instruments Incorporated
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