Datasheet

0
200
400
600
800
1000
1200
1400
1600
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
I -LoadCurrent-mA
OUT
f -OscillatorFrequency-kHz
S
FREQ=V
L =3.3 H
IN
m
FREQ=GND
L =6.8 Hm
V =5V
V =15V
IN
S
0
200
400
600
800
1000
1200
1400
2.5 3 3.5 4 4.5 5 5.5 6
V -SupplyVoltage-V
CC
f -OscillatorFrequency-kHz
S
V =15V/200mA
S
FREQ=V
L =3.3 H
IN
m
FREQ=GND
L =6.8 Hm
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SWITCHING
f =1.2Mhz
L =3.3 H
S
m
SWITCHING
f =650kHz
L =6.8 H
S
m
NOTSWITCHING
I -SupplyCurrent-mA
CC
V -SupplyVoltage-V
CC
EN
5V/div
V
5V/div
S
I
1 A/div
L
V =5V
V =15V/500mA
IN
S
C =100nF
SS
2ms/div
TPS61087
www.ti.com SLVS821C –MAY 2008–REVISED JULY 2013
TYPICAL CHARACTERISTICS (continued)
SUPPLY CURRENT
vs
SOFT-START SUPPLY VOLTAGE
Figure 9. Figure 10.
OSCILLATOR FREQUENCY OSCILLATOR FREQUENCY
vs vs
LOAD CURRENT SUPPLY VOLTAGE
Figure 11. Figure 12.
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