S-8353A20MC-IQFT2X Datasheet, PDF (26/49 Pages) Seiko Instruments Inc – BUILT-IN TRANSISTOR SWITCHING REGULATOR

STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
Rev.3.0_01
2. Output Characteristics of The Using Ceramic Capacitor Circuit Example
The data of the step-up characteristics (a) Output current (IOUT) vs. Efficiency (η) characteristics, (b) Output current
(IOUT) vs. Output voltage (VOUT) characteristics, (c) Output Current (IOUT) vs. Ripple voltage (Vr) under conditions in
Table 19 is shown below.
(a) Output current (IOUT) vs. Efficiency (η)
100
80
60
40
20
0
0.01 0.1
1
10
IOUT [mA]
VIN = 0.9 V
VIN = 1.8 V
VIN = 2.7 V
100 1000
(b) Output current (IOUT) vs. Output voltage (VOUT)
3.40
3.35
3.30
3.25
3.20
0.01
VIN = 0.9 V
VIN = 1.8 V
VIN = 2.7 V
0.1
1
10
IOUT [mA]
100 1000
(c) Output current (IOUT) vs. Ripple voltage (Vr)
140
120
VIN = 0.9 V
100
VIN = 1.8 V
VIN = 2.7 V
80
60
40
20
0
0.01 0.1
1
10
IOUT [mA]
100 1000
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