S-8541 Seiko Instruments, S-8541 Datasheet - Page 26

• Manufacturer Part Number: S-8541
• Description: (S-8540 / S-8541) 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
• Manufacturer: Seiko Instruments

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(2.5 V/div)
(0.1 V/div)
(0.1 V/div)
(2.5 V/div)
(2.5 V/div)
(0.1 V/div)
STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8540/8541 Series
2. 3 Supply Voltage Variation (V
V
V
V
V
(1) S-8540A33FN (I
V
(3) S-8540C33FN (I
(5) S-8540A18FN (I
V
OUT
OUT
IN
OUT
IN
IN
10 V
10 V
0 V
10 V
0 V
0 V
OUT
OUT
OUT
t (0.4 ms/div)
t (0.4 ms/div)
t (0.4 ms/div)
: 10 mA)
: 10 mA)
: 10 mA)
IN
: 3.6→9.0→3.6 V)
Seiko Instruments Inc.
(2.5 V/div)
(0.1 V/div)
(2.5 V/div)
(2.5 V/div)
(0.1 V/div)
(0.1 V/div)
(2) S-8540A33FN (I
(4) S-8540C33FN (I
(6) S-8540A18FN (I
V
V
V
V
V
V
OUT
OUT
OUT
IN
IN
10 V
IN
10 V
10 V
0 V
0 V
0 V
OUT
OUT
OUT
: 500 mA)
: 500 mA)
: 500 mA)
t (0.4 ms/div)
t (0.4 ms/div)
t (0.4 ms/div)
Rev.3.2
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