Datasheet

40
50
60
70
80
90
100
0 50 100 150 200 250 300
VOUT =24V
VIN=8.5V
VIN=5V
VIN=12V
Efficiency-%
OutputCurrent-mA
40
50
60
70
80
90
100
0 50 100 150 200 250 300
VOUT =12V
VOUT =18V
VOUT =24V
VOUT =30V
Efficiency-%
OutputCurrent-mA
VIN=5V
11.88
11.90
11.92
11.94
11.96
3 4 5 6 7 8 9 10 11
V -InputVoltage-V
I
T =25°C
A
I =100mA
LOAD
V -OutputVoltage-V
O
T =85°C
A
T =-40°C
A
800
900
1000
1100
1200
1300
1400
1500
1600
20 30 40 50 60 70 80 90
DutyCycle-%
SwitchCurrentLimit- A
TPS61170
SLVS789C – NOVEMBER 2007– REVISED APRIL 2011 www.ti.com
EFFICIENCY EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 2. Figure 3.
OUTPUT VOLTAGE SWITCH CURRENT LIMIT
vs vs
INPUT VOLTAGE DUTY CYCLE
Figure 4. Figure 5.
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