TPS61040DDCR Datasheet, PDF (14/27 Pages) Texas Instruments – LOW-POWER DC/DC BOOST CONVERTER IN SOT-23 AND SON PACKAGES

TPS61040
TPS61041
SLVS413F – OCTOBER 2002 – REVISED DECEMBER 2010
V_IN
1.8 V to 6 V
C1
4.7 µF
L1
10 µH
TPS61040
V_IN SW
FB
EN GND
D1
R1
2.2 MW
R2
160 kW
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C_FF
22 pF
V_OUT
18 V
C2
1 µF
L1:
D1:
C1:
C2:
Sumida CR32-100
Motorola MBR0530
Tayo Yuden JMK212BY475MG
Tayo Yuden TMK316BJ105KL
V_IN
1.8 V to 6 V
C1
4.7 µF
V_IN
1.8 V to 6 V
C1
4.7 µF
Figure 16. LCD Bias Supply
L1
10 µH
TPS61040
V_IN SW
FB
EN GND
D1
R1
2.2 MW
R2
160 kW
C_FF
22 pF
V_O
18 V
C2
1 µF
DAC or Analog Voltage
0 V = 25 V
1.233 V = 18 V
L1:
Sumida CR32-100
D1:
Motorola MBR0530
C1:
Tayo Yuden JMK212BY475MG
C2:
Tayo Yuden GMK316BJ105KL
Figure 17. LCD Bias Supply With Adjustable Output Voltage
L1
10 µH
TPS61040
V_IN SW
FB
EN GND
R3
200 kW
D1
BC857C
R1
2.2 MW
C2
1 µF
R2
160 kW
C_FF
22 pF
V_OUT
18 V / 10 mA
C3
0.1 µF
(Optional)
L1:
Sumida CR32-100
D1:
Motorola MBR0530
C1:
Tayo Yuden JMK212BY475MG
C2:
Tayo Yuden TMK316BJ105KL
Figure 18. LCD Bias Supply With Load Disconnect
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