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-Q1
SLVSAX2 – SEPTEMBER 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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