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S-8460B00AFT-TBG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8460
Rev.2.1_00
16
Seiko Instruments Inc.
Characteristics (Typical Data)
1. Examples of Major Characteristics
(1) Current Consumption 2 (I
SS2
) vs. Input Voltage (V
IN
) (2) Current Consumption 1 (I
SS1
) vs. Input Voltage (V
IN
)
0
20
40
60
80
100
120
140
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
SS
2
(
μ
A
)
Ta = −40°
C
25°C
85°C
0
200
400
600
800
1000
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
SS
1
(
μ
A
)
Ta = −40°C
25°C
8
5
°C
(3) Current Consumption at Shutdown (I
SSS
) vs.
Input Voltage (V
IN
)
(4) VL Pin Output Voltage (V
L
) vs. Input Voltage (V
IN
)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
SSS
(μA)
Ta = −40°C
25°
C
85°C
0
1
2
3
4
5
6
2 4 6 8 10 12 14 16 18
V
IN
(
V
)
V
L
(V)
Ta
40°
C
25°C
85°C
(5) ON/OFF Pin Input Voltage “H” (V
SH
) vs.
Input Voltage (V
IN
)
(6) ON/OFF Pin Input Voltage “L” (V
SL
) vs.
Input Voltage (V
IN
)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2 4
6
8 10 12 14 16 18
V
IN
(V)
V
SH
(V)
Ta = −4
0
°C
25°C
85°
C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2 4
6
8 10 12 14 16 18
V
IN
(V)
V
SL
(V)
Ta = −40°C
2
5°C
85°C
(7) Oscillation Frequency (f
OSC
) vs. Input Voltage (V
IN
) (8) Maximum Duty Ratio (MaxDuty) vs. Input Voltage (V
IN
)
250
270
290
310
330
350
2 4 6 8 10 12 14 16 18
V
IN
(V)
f
OS
C
(kHz)
T
a = −40°C
25°C
85°C
70
72
74
76
78
80
82
84
2 4
6
8 10 12 14 16 18
V
IN
(V)
MaxDuty (%)
Ta
−
40°C
25°C
85°C
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.2.1_00
S-8460
Seiko Instruments Inc. 17
(9) EXT1 Pin Output Current “H” (I
EXT1H
) vs.
Input Voltage (V
IN
)
(10) EXT1 Pin Output Current “L” (I
EXT1L
) vs.
Input Voltage (V
IN
)
0
20
40
60
80
100
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
EXT1H
(mA)
Ta = −40°C
25°C
85°C
0
20
40
60
80
100
120
140
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
EXT1L
(mA)
Ta
=
−
40°C
25°C 85°C
(11) EXT2 Pin Output Current “H” (I
EXT2H
) vs.
Input Voltage (V
IN
)
(12) EXT2 Pin Output Current “L” (I
EXT2L
) vs.
Input Voltage (V
IN
)
0
20
40
60
80
100
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
EXT2H
(mA)
Ta = −40°C
25°C
85°C
0
20
40
60
80
100
120
140
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
EXT2L
(mA)
Ta
40°C
25°C
85°C
(13) EXT3 Pin Output Current “H” (I
EXT3H
) vs.
Input Voltage (V
IN
)
(14) EXT3 Pin Output Current “L” (I
EXT3L
) vs.
Input Voltage (V
IN
)
0
20
40
60
80
100
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
EXT3H
(mA)
Ta = −40°
C
25°C
85°
C
0
20
40
60
80
100
120
140
2 4 6 8 10 12 14 16 18
V
IN
(V)
I
EXT3L
(mA)
Ta
40°C
25°C
85°C
(15) Soft-Start Time (t
SS
) vs. Input Voltage (V
IN
) (16) Integration Time of Protection Circuit (t
PRO
) vs.
Input Voltage (V
IN
)
0
5
10
15
20
25
30
2 4 6 8 10 12 14 16 18
V
IN
(V)
t
SS
(ms)
C
SS
: 4700 pF
Ta = −40°C
25°C
85°
C
0
1
2
3
4
5
6
7
8
2 4 6
8
10 12 14 16 18
V
IN
(V)
t
PRO
(ms)
C
PRO
: 2200 pF
Ta = −40°C
25°C
85°C
STEP-UP OR DOWN, SINGLE-COIL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8460
Rev.2.1_00
18
Seiko Instruments Inc.
2. Examples of Transient Response Characteristics
(1) Power-on (V
IN
: 0 V → 2.64 V or 4.95 V or 18.0 V, I
OUT
: no load, V
OUT
: 3.3 V, C
SS
: 4700 pF)
t (2 ms/div)
0 V
4 V
0 V
3 V
V
IN
(1 V/div)
V
OUT
(1 V/div)
V
IN
: 0 V → 2.64 V
t (2 ms/div)
0 V
5 V
0 V
3 V
V
IN
(1 V/div)
V
OUT
(1 V/div)
V
IN
: 0 V → 4.95 V
t (2 ms/div)
0 V
20 V
0 V
3
V
V
IN
(4 V/div)
V
OUT
(1 V/div)
V
IN
: 0 V → 18.0 V
(2) ON/OFF Pin Response (V
ON/OFF
: 0 V → 2.2 V, I
OUT
: no load, V
OUT
: 3.3 V, C
SS
: 4700 pF)
t (2 ms/div)
V
IN
: 2.64 V
0 V
3 V
0 V
3 V
V
OUT
(1 V/div)
V
ON/OFF
(1 V/div)
t (2 ms/div)
V
IN
: 4.95 V
0 V
3 V
0 V
3 V
V
OUT
(1 V/div)
V
ON/OFF
(1 V/div)
t (2 ms/div)
V
IN
: 18.0 V
0 V
3 V
0 V
3 V
V
OUT
(1 V/div)
V
ON/OFF
(1 V/div)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33

S-8460B00AFT-TBG

Mfr. #:
Buy S-8460B00AFT-TBG
Manufacturer:
ABLIC
Description:
Switching Controllers 2.5-6.0V Step-Up/Dwn
Lifecycle:
New from this manufacturer.
Delivery:
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