Datasheet

10
20
30
40
50
60
70
80
90
100
1 10 100 1 k
Vo1 = 6 V
I
L
− Load Current − mA
Efficiency − %
Vo1 = 15 V
Vo1 = 10 V
V
I
= 3.3 V
Vo2, Vo3 = No Load, Switching
10
20
30
40
50
60
70
80
90
100
1 10 100 1 k
I
L
− Load Current − mA
Efficiency − %
Vo1 = 15 V
Vo1 = 10 V
V
I
= 5 V
Vo2, Vo3 = No Load, Switching
70
75
80
85
90
95
100
2.5 3 3.5 4 4.5 5 5.5 6
Vo1=6V
Vo1=15V
Vo1=10V
ILoadatVo1=100mA
Vo2,Vo3=NoLoad,Switching
V
I
-InputVoltage-V
Efficiency-%
V
SW
10 V/div
V
O
50 mV/div
V
I
= 3.3 V
V
O
= 10 V/300 mA
I
L
1 A/div
250 ns/div
100
150
200
250
300
350
−40 −20 0 20 40 60 80 100
T
A
− Free-Air Temperature − °C
Vo1 = 5 V
Vo1 = 15 V
Vo1 = 10 V
− N−Channel Main Switch − mΩr
DS(on)
1.3
1.4
1.5
1.6
1.7
1.8
1.9
−40 −20 0 20 40 60 80 100
T
A
− Free-Air Temperature − °C
Switching Frequency − MHz
V
I
= 2.7 V
V
I
= 3.3 V
V
I
= 5.8 V
Vo1
200 mV/div
V
I
= 3.3 V
Vo1 = 10 V, C
O
= 22 µF
I
O
50 mA to 250 mA
100 µs/div
Vo1
100 mV/div
V
I
= 3.3 V
Vo1 = 10 V, C
O
= 2*22 µF
I
O
50 mA to 250 mA
100 µs/div
V
SW
10 V/div
V
O
50 mV/div
V
I
= 3.3 V
V
O
= 10 V/10 mA
I
L
500 mA/div
250 ns/div
TPS65100-Q1
www.ti.com SLVS849A –JULY 2008–REVISED APRIL 2012
EFFICIENCY EFFICIENCY EFFICIENCY
vs vs vs
LOAD CURRENT LOAD CURRENT INPUT VOLTAGE
Figure 1. Figure 2. Figure 3.
SWITCHING FREQUENCY r
DS(on)
N-CHANNEL MAIN SWITCH
vs vs
PWM OPERATION CONTINUOUS
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE MODE
Figure 4. Figure 5. Figure 6.
PWM OPERATION AT LIGHT LOAD LOAD TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 7. Figure 8. Figure 9.
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