Datasheet

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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
Vo1
5 V/div
V
I
= 3.3 V
V
O
= 10 V,
I
O
= 300 mA
500 µs/div
I
I
500
mA/div
Vo1
5 V/div
V
I
= 3.3 V
V
O
= 10 V,
VCOM C
I
= 1 nF
500 µs/div
Vo2
5 V/div
Vo3
10 V/div
VCOM
2 V/div
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
8.8 9.8
10.8 11.8 12.8 13.8 14.8
Vo1 − Output Voltage − V
− Output Current − AI
O
Vo2 = −8 V
T
A
= −40°C
T
A
= 25°C
T
A
= 85°C
TPS65100 , TPS65101
TPS65105
SLVS496C – SEPTEMBER 2003 – REVISED APRIL 2006
SWITCHING FREQUENCY r
DS(on)
N-CHANNEL MAIN SWITCH PWM OPERATION CONTINUOUS
vs vs MODE
FREE-AIR TEMPERATURE FREE-AIR TEMPERATURE
Figure 4. Figure 5. Figure 6.
PWM OPERATION AT LIGHT LOAD LOAD TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 7. Figure 8. Figure 9.
POWER-UP SEQUENCING SOFT START V
O
1 V
O
2 MAXIMUM LOAD CURRENT
Figure 10. Figure 11. Figure 12.
9
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