Datasheet

IN
EN
SW
FB
FREQ
AGND
COMP
SS
1
4
6
8
3
7
2
5
PGND
9
10
SW
Cby
1µF
16V
Cin
2*10µF
16V
D
SL22
R1
200kΩ
R2
18kΩ
Cout
4*10µF
25V
Css
100nF
TPS61087
V
5V±20%
IN
L
6.8µH
V
15V/900mA max.
S
Rcomp
51kΩ
Ccomp
1.5nF
Rlimit
110 Ω
Dz
BZX84C18V
Overvoltage
Protection
V
5V±20%
IN
IN
EN
SW
D
FB
FREQ
AGND
COMP
SL22
SS
1
4
6
8
3
7
2
5
PGND
9
10
SW
TPS61087
Cin
2*10µF/
16V
Cby
1µF/16V
L
6.8µH
Riso
10kW
BC857C
Ciso
1µF/25V
Rcomp
51kΩ
Ccomp
1.5nF
Css
100nF
R1
200kΩ
R2
18kΩ
Cout
4*10µF/
25V
V
15V/300mA
S
Enable
TPS61087
SLVS821C –MAY 2008–REVISED JULY 2013 www.ti.com
Figure 18. Typical Application with External Load Disconnect Switch
Figure 19. Typical Application, 5 V to 15 V (f
S
= 1.2 MHz) with Overvoltage Protection
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