S-8540 Datasheet, PDF (24/36 Pages) Seiko Instruments Inc – STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8540/8541 Series
Rev.3.2_00
2. Transient Response Characteristics
2. 1 Power-on (I_OUT: no Load)
(1) S-8540A33FN (V_IN: 0 → 4.95 V)
(2) S-8540A33FN (V_IN: 0 → 10 V)
10 V
V_IN
(2.5 V/div)
0V
3V
V _OUT
(1 V/div)
0V
t (2 ms/div)
(3) S-8540C33FN (V_IN: 0 → 4.95 V)
10 V
V _IN
(2.5 V/div)
0V
3V
V_{O UT}
(1 V/div)
0V
t (1 ms/div)
(4) S-8540C33FN (V_IN: 0 → 10 V)
10 V
V_IN
(2.5 V/div)
0V
3V
V_{O UT}
(1 V/div)
0V
t (2 ms/div)
(5) S-8540A18FN (V_IN: 0 → 2.7 V)
10 V
V_IN
(2.5 V/div)
0V
3V
V_{OU T}
(1 V/div)
0V
t (1 ms/div)
(6) S-8540A18FN (V_IN: 0 → 10 V)
10 V
V _IN
(2.5 V/div)
0V
2V
V_{O UT}
(0.5 V/div)
0V
t (4 ms/div)
10 V
VIN
(2.5 V/div)
0V
2V
V _OUT
(0.5 V/div)
0V
t (1 ms/div)
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Seiko Instruments Inc.