S-8363B-I6T1U2 Datasheet, PDF (24/50 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM/PFM SWITCHABLE SWITCHING REGULATOR
S-8363 Series
Rev.2.0_01
3. Output characteristics of power supply started by 0.9 V
Following shows the (1) Load current (IOUT) vs. Operating start voltage (VST), (2) Temperature (Ta) vs. Operating
start voltage (VST), (3) Load current (IOUT) vs. Efficiency (η), (4) Load current (IOUT) vs. Output voltage (VOUT),
characteristics for conditions 1 to 6 in Table 13.
(1) Load current (IOUT) vs. Operating start voltage (VST)
1.80
1.60
Condition 6
1.40
Condition 5
1.20
1.00
Condition 3
0.80
0.60
Condition 1
0.40
Condition 4
0.20
Condition 2
0.00
1
10
100
IOUT [mA]
(2) Temperature (Ta) vs. Operating start voltage (VST)
1.1
1.0
Condition 6
Condition 3
0.9
Condition 5
0.8
0.7
0.6 ^{Condition 2}
0.5
Condition 4
Condition 1
0.4
−40 −25 0
25 50 75 85
Ta [C]
(3) Load current (IOUT) vs. Efficiency (η)
100
90
Condition 6
80
70
60
Condition 4
50
40 _{Condition 1}
30
20
Condition 5
Condition 3
10
Condition 2
0
0.01 0.1
1
10 100 1000
IOUT [mA]
(4) Load current (IOUT) vs. Output voltage (VOUT)
3.40
3.38
3.36
Condition 4 _{Condition 5}
3.34 _{Condition 1}
3.32
3.30
3.28
Condition 6
3.26
3.24
Condition 3
3.22 _{Condition 2}
3.20
0.01 0.1
1
10 100 1000
IOUT [mA]
24