S-8351A20MC-J2FT2X Datasheet, PDF (39/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.3.0_01
S-8351/8352 Series
Condition 7 S-8352A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
IIIIII_{OOOOOOUUUUUUTTTTTT}
=
=
=
=
=
=
0.1 mA
1 mA
10 mA
50 mA
100 mA
150 mA
1
2
3
4
V_IN [V]
(c) Output current (IOUT) vs.Output voltage (VOUT)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
VVVV^IIIINNNN
=
=
=
=
1.5
1.8
2.0
2.5
V
V
V
V
50 100 150 200 250 300 350
I_OUT [mA]
Condition 8 S-8352A30MC
(a) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage raising)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
IIIIII_{OOOOOOUUUUUUTTTTTT}
=
=
=
=
=
=
0.1 mA
1 mA
10 mA
50 mA
100 mA
150 mA
0
1
2
3
4
V_IN [V]
(c) Output current (IOUT) vs.Output voltage (VOUT)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
VVVV_IIIINNNN
=
=
=
=
1.5
1.8
2.0
2.5
V
V
V
V
0 50 100 150 200 250 300 350
I_OUT [mA]
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
IIIIII_{OOOOOOUUUUUUTTTTTT}
=
=
=
=
=
=
0.1 mA
1 mA
0 mA
50 mA
100 mA
150 mA
1
2
3
4
V_IN [V]
(d) Output current (IOUT) vs. Efficiency (η)
90
80
70
60
50
0.01 0.1
VVVV_IIIINNNN
=
=
=
=
1.5
1.8
2.0
2.5
V
V
V
V
1
10
I_OUT [mA]
100 1000
(b) Input voltage (VIN) vs. Output voltage (VOUT)
(Input voltage falling)
3.2
3.1
3.0
2.9
2.8
2.7
2.6
0
IIIIII_{OOOOOOUUUUUUTTTTTT}
=
=
=
=
=
=
0.1 mA
1 mA
10 mA
50 mA
100 mA
150 mA
1
2
3
4
V_IN [V]
(d) Output current (IOUT) vs. Efficiency (η)
90
80
70
60
50
VVVV_IIIINNNN
=
=
=
=
1.5
1.8
2.0
2.5
V
V
V
V
0.01 0.1
1
10 100 1000
I_OUT [mA]
39