S-8365AAABA-M5T1Y2 Datasheet, PDF (42/63 Pages) Seiko Instruments Inc – PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8365/8366 Series
Rev.2.1_01
3.9 Load fluctuations (VOUT = 5.0 V, VIN = 3.3 V, IOUT = 0.1 mA → 100 mA → 0.1 mA, PWM control, Ta = 25°C)
(1) fOSC = 1.2 MHz, IOUT = 0.1 mA → 100 mA S-8365AABBA
5.40
1600
5.30
1400
5.20
1200
5.10
5.00
VOUT
1000
800
4.90
600
4.80
400
4.70
IOUT
200
4.60
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
t [ms]
(2) fOSC = 1.2 MHz, IOUT = 100 mA → 0.1 mA S-8365AABBA
5.40
1600
5.30
1400
5.20
1200
5.10
1000
5.00
VOUT
800
4.90
600
4.80
400
4.70
4.60
0
IOUT
200
0
5 10 15 20 25 30 35 40
t [ms]
(3) fOSC = 600 kHz, IOUT = 0.1 mA → 100 mA S-8365ABBBA
5.40
1600
5.30
1400
5.20
1200
5.10
5.00
VOUT
1000
800
4.90
600
4.80
400
4.70
IOUT
200
4.60
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
t [ms]
(4) fOSC = 600 kHz, IOUT = 100 mA → 0.1 mA S-8365ABBBA
5.40
1600
5.30
1400
5.20
1200
5.10
VOUT
1000
5.00
800
4.90
600
4.80
400
4.70
4.60
0
IOUT
200
0
5 10 15 20 25 30 35 40
t [ms]
3.10 Load fluctuations (VOUT = 5.0 V, VIN = 3.3 V, IOUT = 0.1 mA → 100 mA → 0.1 mA, PWM / PFM switching control, Ta = 25°C)
(1) fOSC = 1.2 MHz, IOUT = 0.1 mA → 100 mA S-8366AABBA
5.40
1600
5.30
1400
5.20
1200
5.10
5.00
VOUT
1000
800
4.90
600
4.80
400
4.70
IOUT
200
4.60
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
t [ms]
(2) fOSC = 1.2 MHz, IOUT = 100 mA → 0.1 mA S-8366AABBA
5.40
1600
5.30
1400
5.20
1200
5.10
VOUT
1000
5.00
800
4.90
600
4.80
400
4.70
4.60
0
IOUT
200
0
5 10 15 20 25 30 35 40
t [ms]
(3) fOSC = 600 kHz, IOUT = 0.1 mA → 100 mA S-8366ABBBA
5.40
1600
5.30
1400
5.20
1200
5.10
5.00
VOUT
1000
800
4.90
600
4.80
4.70
400
IOUT
200
4.60
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
t [ms]
(4) fOSC = 600 kHz, IOUT = 100 mA → 0.1 mA S-8366ABBBA
5.40
1600
5.30
1400
5.20
1200
5.10
5.00
VOUT
1000
800
4.90
600
4.80
400
4.70
4.60
0
IOUT
200
0
5 10 15 20 25 30 35 40
t [ms]
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