V
IN
SW
FB
EN
GND
3.3 μH
D1
C2
4.7 μF
5 V/45 mA
1.8 V to 4 V
C1
4.7 μF
TPS61040
L1: Murata LQH4C3R3M04
D1: Motorola MBR0530
C1, C2: Tayo Yuden JMK212BY475MG
C
FF
3.3 pF
R1
620 kΩ
R2
200 kΩ
Copyright © 2016, Texas Instruments Incorporated
V
IN
SW
FB
EN
GND
L1
6.8 μH
D1
R1
1.8 MΩ
R2
205 kΩ
C
FF
4.7 pF
C2
4.7 μF
V
O =
12 V/35 mA
V
IN
3.3 V
C1
10 μF
L1: Murata LQH4C6R8M04
D1: Motorola MBR0530
C1: Tayo Yuden JMK212BJ106MG
C2: Tayo Yuden EMK316BJ475ML
TPS61040
Copyright © 2016, Texas Instruments Incorporated
V
IN
SW
FB
EN
GND
L1
6.8 μH
D1
R1
1.5 MΩ
R2
210 kΩ
C
FF
22 pF
C2
1 μF
V1 = 10 V/15 mA
V
IN
= 2.7 V to 5 V
C1
4.7 μF
C4
4.7 μF
C3
1 μF
V2 =
–
10 V/15 A
μ
D2
D3
L1: Murata LQH4C6R8M04
D1, D2, D3: Motorola MBR0530
C1: Tayo Yuden JMK212BY475MG
C2, C3, C4: Tayo Yuden EMK316BJ105KF
TPS61040
Copyright © 2016, Texas Instruments Incorporated
17
TPS61040, TPS61041
www.ti.com
SLVS413I – OCTOBER 2002 – REVISED DECEMBER 2016
Product Folder Links:
TPS61040 TPS61041
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Copyright © 2002–2016, Texas Instruments Incorporated
System Examples (continued)
Figure 18. Positive and Negative Output LCD Bias Supply
Figure 19. Standard 3.3-V to 12-V Supply
Figure 20. Dual Battery Cell to 5-V/50-mA Conversion
Efficiency Approximately Equals 84% at V
IN
= 2.4 V to Vo = 5 V/45 mA
