S-8363B-I6T1U2 Datasheet, PDF (39/50 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM/PFM SWITCHABLE SWITCHING REGULATOR
Rev.2.0_01
S-8363 Series
2. Output Current (IOUT) vs. Efficiency (η) Characteristics, Output Current (IOUT) vs. Output Voltage
(VOUT) Characteristics
Following shows the actual output current (IOUT) vs. efficiency (η) and output current (IOUT) vs. output voltage (VOUT)
characteristics for conditions 1 to 7 in Table 15.
Condition 1 S-8363B (VOUT(S) = 1.8 V)
100
90
80
70
60
50
40
30
20
10
0
0.01 0.1
VIN = 0.9 V
VIN = 1.2 V
VIN = 1.5 V
1
10
IOUT [mA]
100 1000
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
0.01 0.1
VIN = 0.9 V
VIN = 1.2 V
VIN = 1.5 V
1
10
IOUT [mA]
100 1000
Condition 2 S-8363B (VOUT(S) = 3.3 V)
100
90 VIN = 2.5 V
80 VIN = 3.0 V
70
60
50
40
30
20
10
0
0.01 0.1
VIN = 0.9 V
VIN = 1.2 V
VIN = 1.8 V
1
10
IOUT [mA]
100 1000
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
0.01 0.1
VIN = 3.0 V
VIN = 2.5 V
VIN = 0.9 V
VIN = 1.2 V
VIN = 1.8 V
1
10
IOUT [mA]
100 1000
Condition 3 S-8363B (VOUT(S) = 5.0 V)
100
90 ^{VIN = 4.2 V}
80 VIN = 4.5 V
70
60
50
40
30
20
10
0
0.01 0.1
VIN = 1.8 V
VIN = 2.4 V
VIN = 3.0 V
1
10
IOUT [mA]
100 1000
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
0.01 0.1
VIN = 4.2 V
VIN = 4.5 V
VIN = 1.8 V
VIN = 2.4 V
VIN = 3.0 V
1
10
IOUT [mA]
100 1000
Condition 4 S-8363B (VOUT(S) = 3.3 V)
100
90 VIN = 2.5 V
80 VIN = 3.0 V
70
60
50
40
30
20
10
0
0.01 0.1
VIN = 0.9 V
VIN = 1.2 V
VIN = 1.8 V
1
10 100
IOUT [mA]
1000
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
0.01 0.1
VIN = 3.0 V
VIN = 2.5 V
VIN = 0.9 V
VIN = 1.2 V
VIN = 1.8 V
1
10
IOUT [mA]
100 1000
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