S-8365 Datasheet, PDF (39/63 Pages) Seiko Instruments Inc – STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.1.1_00
S-8365/8366 Series
3.3 Shutdown pin response (V_OUT = 5.0 V, V_IN = 3.3 V, V_ON/OFF = 0 V → 3.3 V, PWM control, Ta = 25°C)
(1) f_OSC = 1.2 MHz, I_OUT = 1 mA S-8365AABBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
0.0
0
IL
5
10
15
t [ms]
1.0
0.0
20
(2) f_OSC = 1.2 MHz, I_OUT = 600 mA S-8365AABBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
IL
1.0
0.0
0
5
10
15
t [ms]
0.0
20
(3) f_OSC = 600 kHz, I_OUT = 1 mA S-8365ABBBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
0.0
0
IL
5
10
15
t [ms]
1.0
0.0
20
(4) f_OSC = 600 kHz, I_OUT = 600 mA S-8365ABBBA
6.0
6.0
5.0
5.0
4.0
VOUT
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
IL
1.0
0.0
0
5
10
15
t [ms]
0.0
20
3.4 Shutdown pin response (V_OUT = 5.0 V, V_IN = 3.3 V, V_ON/OFF = 0 V → 3.3 V, PWM / PFM switching control, Ta = 25°C)
(1) f_OSC = 1.2 MHz, I_OUT = 1 mA S-8366AABBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
0.0
0
IL
5
10
15
t [ms]
1.0
0.0
20
(2) f_OSC = 1.2 MHz, I_OUT = 600 mA S-8366AABBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
IL
1.0
0.0
0
5
10
15
t [ms]
0.0
20
(3) f_OSC = 600 kHz, I_OUT = 1 mA S-8366ABBBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
0.0
0
IL
5
10
15
t [ms]
1.0
0.0
20
(4) f_OSC = 600 kHz, I_OUT = 600 mA S-8366ABBBA
6.0
6.0
5.0
5.0
VOUT
4.0
4.0
3.0
VON/OFF
3.0
2.0
2.0
1.0
IL
1.0
0.0
0
5
10
15
t [ms]
0.0
20
Seiko Instruments Inc.
39