s-8460 Seiko Instruments Inc., s-8460 Datasheet - Page 17

• Manufacturer Part Number: s-8460
• Description: Step-up Or Down, Single-coil, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

Rev.2.1
(9) EXT1 Pin Output Current “H” (I
(11) EXT2 Pin Output Current “H” (I
(13) EXT3 Pin Output Current “H” (I
(15) Soft-Start Time (t
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
Input Voltage (V
100
100
100
30
25
20
15
10
80
60
40
20
Input Voltage (V
80
60
40
20
Input Voltage (V
80
60
40
20
5
0
0
0
0
_00
2
2
2
2
4
4
4
4
Ta = −40°C
6
6
6
6
IN
Ta = −40°C
Ta = −40°C
Ta = −40°C
)
IN
IN
25°C
SS
)
)
8
25°C
25°C
) vs. Input Voltage (V
8
8
8
25°C
V
V
V
V
IN
IN
I N
IN
10
10
10
10
(V)
(V)
(V)
85°C
(V)
12
12
12
12
EXT1H
EXT2H
EXT3H
C
85°C
85°C
85°C
SS
14
14
14
14
) vs.
: 4700 pF
) vs.
) vs.
16
16
Seiko Instruments Inc.
16
16
IN
)
18
18
18
18
(10) EXT1 Pin Output Current “L” (I
(12) EXT2 Pin Output Current “L” (I
(14) EXT3 Pin Output Current “L” (I
(16) Integration Time of Protection Circuit (t
140
120
100
140
120
100
140
120
100
8
7
6
5
4
3
2
1
0
Input Voltage (V
Input Voltage (V
Input Voltage (V
Input Voltage (V
80
60
40
20
80
60
40
20
80
60
40
20
0
0
0
2
2
2
2
4
4
4
4
6
Ta = −40°C
Ta = −40°C
Ta = −40°C
6
6
6
25°C
IN
IN
IN
IN
25°C
25°C
25°C
)
)
)
)
8
8
8
8
Ta = −40°C
V
V
V
V
IN
10
IN
IN
IN
10
10
10
(V)
(V)
(V)
(V)
85°C
12
12
12
12
C
EXT1L
EXT2L
EXT3L
85°C
85°C
85°C
PRO
14
14
14
14
) vs.
) vs.
) vs.
: 2200 pF
16
16
16
16
PRO
S-8460
) vs.
18
18
18
18
17