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S-8540A18FN-IADT2G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36
STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_00
S-8540/8541 Series
Seiko Instruments Inc. 25
2. 2 Shutdown pin response (V
ON/OFF
: 0 → 2.5 V I
OUT
: no Load)
(1) S-8540A33FN (V
IN
: 4.95V) (2) S-8540A33FN (V
IN
: 10V)
4 V
0 V
3 V
0 V
V
ON/OFF
(
1 V/div
)
V
OUT
(
1 V/div
)
t
(
4 ms/div
)
4 V
0 V
3 V
0 V
V
ON/OFF
(
1 V/div
)
V
OUT
(
1 V/div
)
t (4 ms/div)
(3) S-8540C33FN (V
IN
: 4.95 V) (4) S-8540C33FN (V
IN
: 10 V)
4 V
0 V
3 V
0 V
V
ON/OFF
(
1 V/div
)
V
OUT
(
1 V/div
)
t (4 ms/div)
4 V
0 V
3 V
0 V
V
ON/OFF
(
1 V/div
)
V
OUT
(
1 V/div
)
t
(
4 ms/div
)
(5) S-8540A18FN (V
IN
: 4.95 V) (6) S-8540A18FN (V
IN
: 10 V)
4 V
0 V
1.5 V
0 V
V
ON /OF F
(
1 V/div
)
V
OUT
(
0.5 V/div
)
t
(
4 ms/div
)
4 V
0 V
1.5 V
0 V
V
ON /OF F
(
1 V/div
)
V
OUT
(
0.5 V/div
)
t
(
4 ms/div
)
STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8540/8541 Series
Rev.4.0_00
26 Seiko Instruments Inc.
2. 3 Supply Voltage Variation (V
IN
: 3.6→9.0→3.6 V)
(1) S-8540A33FN (I
OUT
: 10 mA) (2) S-8540A33FN (I
OUT
: 500 mA)
10 V
0 V
V
IN
(
2.5 V/div
)
V
OUT
(
0.1 V/div
)
t
(
0.4 ms/div
)
10 V
0 V
V
IN
(2.5 V/div)
V
OUT
(
0.1 V/div
)
t (0.4 ms/div)
(3) S-8540C33FN (I
OUT
: 10 mA) (4) S-8540C33FN (I
OUT
: 500 mA)
10 V
0 V
V
IN
(
2.5 V/div
)
V
OUT
(0.1 V/div)
t
(
0.4 ms/div
)
10 V
0 V
V
IN
(
2.5 V/div
)
V
OUT
(0.1 V/div)
t
(
0.4 ms/div
)
(5) S-8540A18FN (I
OUT
: 10 mA) (6) S-8540A18FN (I
OUT
: 500 mA)
10 V
0 V
V
IN
(2.5 V/div)
V
OUT
(
0.1 V/div
)
t
(
0.4 ms/div
)
10 V
0 V
V
IN
(2.5 V/div)
V
OUT
(
0.1 V/div
)
t
(
0.4 ms/div
)
STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_00
S-8540/8541 Series
Seiko Instruments Inc. 27
2. 4 Load Variation (V
IN
: 2.7 V or 5.0 V or 7.5 V, I
OUT
: 0.1→500 mA, 500→0.1 mA)
(1) S-8540A33FN (V
IN
: 4.95 V) (2) S-8540A33FN (V
IN
: 4.95 V)
0.1 m
A
I
OUT
V
OUT
(
0.1 V/div
)
t
(
0.2 ms/div
)
500 mA
0.1 mA
I
OU T
V
OUT
(0.1 V/div)
t (4 ms/div)
500 m
A
(3) S-8540C33FN(V
IN
: 4.95 V) (4) S-8540C33FN(V
IN
: 4.95 V)
0.1 m
A
I
OUT
V
OUT
(
0.1 V/div
)
t
(
0.2 ms/div
)
500 m
A
0.1 m
A
I
OUT
V
OUT
(
0.1 V/div
)
t
(
8 ms/div
)
500 m
A
(5) S-8540A18FN (V
IN
: 2.7 V) (6) S-8540A18FN (V
IN
: 2.7 V)
0.1 m
A
I
OU T
V
OU T
(
0.1 V/div
)
t
(
0.2 ms/div
)
500 mA
0.1 m
A
I
OU T
V
OUT
(
0.1 V/div
)
t
(
4 ms/div
)
500 m
A
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36

S-8540A18FN-IADT2G

Mfr. #:
Buy S-8540A18FN-IADT2G
Manufacturer:
ABLIC
Description:
Switching Controllers 1.8V Step-Down PWM
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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