Datasheet


   
   
SLVS216B − JUNE 1999 − JUNE 2008
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Figure 21
50
20
10
0
0 2.5 5
60
70
f − Frequency − MHz
FREQUENCY SPECTRUM
CONSTANT FREQUENCY MODE
‡
90
7.5 10
30
40
80
Output − dB Vµ
V
(SKIP)
= 0 V
V
IN
= 3 V
I
O
= 10 mA
RBW = 300 Hz
Figure 22
50
40
20
0
0 2.5 5
Output − dB
60
80
f − Frequency − MHz
FREQUENCY SPECTRUM
PULSE-SKIP MODE
‡
90
7.5 10
70
30
10
Vµ
V
(SKIP)
= V
IN
V
IN
= 3 V
I
O
= 10 mA
RBW = 300 Hz
Figure 23
Skip = High
Skip = Low
50
30
20
0
2.5 3 3.5 4
Efficiency − %
70
80
EFFICIENCY
vs
INPUT VOLTAGE
100
4.5 5.5
10
40
60
90
V
IN
− Input Voltage − V
5
I
O
= 150 mA
Figure 24
t − Time −µs
3
2
1
0
− Output Voltage − V
4
5
START-UP TIMING
6
200
V
O
R
0
= 33.3 Ω
V
IN
= 3 V
Enable
OUTPUT
−1
400 1200
0
600 800 1000
†T
C
= 25°C, V
COM
= V
SYNC
= 0 V, C
IN
= 15 µF, C
1F
and C
2F
= 2.2 µF (X7R ceramic), C
O
= 33 µF, unless otherwise noted
‡Test circuit: TPS60110EVM−132 with TPS60111