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| 型號(hào)： | S-8351A28MC-J2NT2G |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | LEAD FREE, SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 5/50頁(yè) |
| 文件大?。?/td> | 630K |
| 代理商： | S-8351A28MC-J2NT2G |
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STEP-UP, BUILT-IN / EXTERNAL FET PFM CONTROL SWITCHING REGULATOR / SWITCHING REGULATOR CONTROLLER
Rev.2.4_00
S-8351/8352 Series
Seiko Instruments Inc.
13
Table 16 (2 / 2)
(Ta = 25
°C unless otherwise specified)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Measurement
circuit
VSH
VOUT = VOUT(S)
× 0.95,
Measured oscillation at EXT
0.75
V
4
VSL1
At VOUT
≥1.5 V
0.3
V
4
OFF
/
ON
pin input voltage
(With shutdown function)
VSL2
VOUT = VOUT(S)
× 0.95,
Judged oscillation stop at
EXT pin
At VOUT
<1.5 V
0.2
V
4
ISH
OFF
/
ON
V
= 10 V
0.1
0.1
A
4
OFF
/
ON
pin input current
(With shutdown function)
ISL
OFF
/
ON
V
= 0 V
0.1
0.1
A
4
S-8352x30
83
%
3
Efficiency
EFFI
S-8352x50
85
%
3
External parts
Coil:
CDRH6D28-101 (100
H) from Sumida Corporation
Diode:
MA2Z748 (Shottky type) from Matsushita Electric Industrial Co., Ltd.
Capacitor:
F93 (16 V, 47
F tantalum type) from Nichicon Corporation
Transistor:
CPH3210 from Sanyo Electric Co., Ltd.
Base resistor (Rb):
1 k
Base capacitor (Cb):
2200 pH (ceramic type)
VIN = VOUT(S)
× 0.6 applied, IOUT = VOUT(S) / 100
With shutdown function :
OFF
/
ON
pin is connected to VOUT
For VDD / VOUT separate type : VDD pin is connected to VOUT pin
Remark 1.
VOUT(S) specified above is the set output voltage value, and VOUT is the typical value of the actual output
voltage.
2.
VDD / VOUT separate type
A step-up operation is performed from VDD = 0.8 V. However, 1.8 V
≤VDD<10 V is recommended stabilizing
the output voltage and oscillation frequency. (VDD
≥1.8 V must be applied for products with a set value of less
than 1.9 V.)
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