s-8460 Seiko Instruments Inc., s-8460 Datasheet - Page 16
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s-8460
Manufacturer Part Number
s-8460
Description
Step-up Or Down, Single-coil, Pwm Control Switching Regulator Controller
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8460.pdf
(33 pages)
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Manufacturer
Quantity
Price
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Part Number:
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1. Examples of Major Characteristics
16
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8460
Characteristics (Typical Data)
(1) Current Consumption 2 (I
(3) Current Consumption at Shutdown (I
(5) ON/OFF Pin Input Voltage “H” (V
(7) Oscillation Frequency (f
Input Voltage (V
Input Voltage (V
140
120
100
350
330
310
290
270
250
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
80
60
40
20
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
2
2
2
2
Ta = −40°C
4
4
4
4
25°C
Ta = −40°C
Ta = −40°C
Ta = −40°C
6
6
IN
IN
6
6
)
)
25°C
8
8
8
8
25°C
V
V
V
V
25°C
OSC
IN
IN
IN
10
IN
10
SS2
10
10
85°C
(V)
(V)
(V)
) vs. Input Voltage (V
(V)
) vs. Input Voltage (V
12
12
12
12
85°C
SH
85°C
85°C
) vs.
14
14
14
14
SSS
) vs.
16
16
16
16
Seiko Instruments Inc.
18
18
18
18
IN
IN
)
) (2) Current Consumption 1 (I
(4) VL Pin Output Voltage (V
(6) ON/OFF Pin Input Voltage “L” (V
(8) Maximum Duty Ratio (MaxDuty) vs. Input Voltage (V
Input Voltage (V
1000
6
5
4
3
2
1
0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
800
600
400
200
84
82
80
78
76
74
72
70
0
2
2
2
2
Ta = −40°C
4
Ta = −40°C
4
4
4
Ta = −40°C
Ta = −40°C
6
25°C
6
6
IN
25°C
6
)
8
25°C
8
8
8
V
V
V
V
IN
25°C
10
IN
IN
L
IN
10
10
SS1
(V)
85°C
10
) vs. Input Voltage (V
(V)
(V)
(V)
) vs. Input Voltage (V
85°C
85°C
12
12
12
12
SL
) vs.
14
14
14
14
85°C
Rev.2.1
16
16
16
16
18
18
18
18
IN
)
_00
IN
IN
)
)