S-8353 Seiko Instruments, S-8353 Datasheet - Page 12

• Manufacturer Part Number: S-8353
• Description: (S-8353 / S-8354) PWM Control Switchable Built-in Transistor Switching Regulator
• Manufacturer: Seiko Instruments

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12
Output voltage
Input voltage
Operation start voltage
Oscillation start voltage
Operation holding voltage
Current consumption 1
Current consumption 2
Current consumption during
shutdown
(With shutdown function)
Switching current
Switching transistor leakage
current
Line regulation
Load regulation
Output voltage temperature
coefficient
Oscillation frequency
Maximum duty ratio
PWM / PFM switching duty
ratio (For S-8354 Series)
(With shutdown function)
(With shutdown function)
Soft start time
Efficiency
ON
ON
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
(3) 250 kHz Product (H and J Types)
/
/
OFF
OFF
Item
pin input voltage
pin input current
V
V
V
V
V
I
I
I
I
I
∆V
∆V
f
MaxDuty
PFMDuty
V
V
V
I
I
t
EFFI
SS1
SS2
SSS
SW
SWQ
OSC
SH
SL
SS
∆
OUT
IN
ST1
ST2
HLD
SH
SL1
SL2
Symbol
Ta
OUT1
OUT2
∆
V
•
OUT
V
OUT
V
V
V
I
No external parts, Voltage applied to V
I
voltage gradually
V
V
V
V
V
I
Ta = −40 to +85°C
V
V
V
Measured oscillation at CONT pin
Judged oscillation stop at
CONT pin
OUT
OUT
OUT
ON
ON
ON
OUT
OUT
CONT
CONT
IN
OUT
OUT
IN
= V
= V
= 1 mA
= 1 mA, Judged by decreasing V
/
= 10 µA to V
/
/
OFF
OFF
OFF
= V
= V
= V
= V
= 0.4 V
= V
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
OUT(S)
Seiko Instruments Inc.
= 0 V
= V
= 0 V
OUT
× 0.4 to × 0.6
− 0.1 V, No-load
OUT(S)
= 10 V
× 0.95
+ 0.5 V
× 0.95
× 0.95
OUT(S)
Condition
× 0.95
Table 15
−
−
/ 250 × 1.25
−
−
S-835xx15 to 19
S-835xx20 to 29
S-835xx30 to 39
S-835xx40 to 49
S-835xx50 to 59
S-835xx60 to 65
S-835xx15 to 19
S-835xx20 to 29
S-835xx30 to 39
S-835xx40 to 49
S-835xx50 to 59
S-835xx60 to 65
S-835xx15 to 19
S-835xx20 to 24
S-835xx25 to 29
S-835xx30 to 39
S-835xx40 to 49
S-835xx50 to 59
S-835xx60 to 65
At V
At V
OUT
OUT
IN
≥1.5 V
<1.5 V
OUT
× 0.976
V
212.5
− 0.1
− 0.1
0.75
Min.
103
125
144
176
200
215
OUT(S)
0.7
1.8
80
70
10
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
(Ta = 25 ° C unless otherwise specified)
V
103.1
134.1
167.0
Typ.
36.5
48.3
74.3
10.0
128
165
200
231
282
320
344
±50
250
OUT(S)
9.1
9.3
9.5
9.7
9.8
3.6
30
30
78
15
85
−
−
−
−
−
−
−
−
−
−
−
× 1.024
V
123.8
171.9
223.5
278.4
287.5
Max.
60.8
80.5
18.2
18.6
18.9
19.3
19.6
19.9
OUT(S)
0.9
0.8
0.5
0.5
0.3
0.2
0.1
0.1
7.2
10
60
60
85
24
−
−
−
−
−
−
−
−
−
−
−
ppm / °C
Unit
kHz
mA
mA
mA
mA
mA
mA
mA
mV
mV
ms
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
V
Rev.1.4
Measurement
circuit
2
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
2
2
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