SLVS141A Datasheet, PDF (10/18 Pages) Texas Instruments – FIXED NEGATIVE 5-V 200-mA INVERTING DC/DC CONVERTER

TPS6735
FIXED NEGATIVE 5ĆV 200ĆmA INVERTING DC/DC CONVERTER
SLVS141A − JULY 1996 − REVISED JANUARY 1997
APPLICATION INFORMATION
system typical characteristics (continued)
NO-LOAD SUPPLY CURRENT
vs
SUPPLY VOLTAGE
2
1.8
IO = 0 A
(see Figure 15)
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Supply Voltage − V
Figure 9
MAXIMUM LOAD CURRENT
vs
SUPPLY VOLTAGE
400
(see Figure 15)
350
300
250
200
150
100
50
0
3.75 4 4.25 4.5 4.75 5 5.25 5.5 5.75 6 6.25 6.5
Supply Voltage − V
Figure 10
OSCILLATOR FREQUENCY
vs
TEMPERATURE
172
VI = 4 V
170
VI = 5 V
168
166
VI = 6 V
164
162
160
158
156
154
− 40 − 20
0 20 40 60 80 100 120 140
T − Temperature − °C
Figure 11
SWITCH CURRENT LIMIT
vs
SOFT-START VOLTAGE
2
1.8
1.6
VI = 6 V
1.4
1.2
VI = 5 V
VI = 4 V
1
0.8
0.6
0.4
0.2
0
200
R1 and R2 Varied
(see Figure 15)
400
600
800
1000
Soft-Start Voltage − mV
Figure 12
1200
10
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