參數(shù)資料
型號(hào): S-8357G33MC-MIST2U
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO5
封裝: HALOGEN FREE AND LEAD FREE, SOT-23, 5 PIN
文件頁數(shù): 29/77頁
文件大小: 836K
代理商: S-8357G33MC-MIST2U
STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.7.0_00
S-8355/56/57/58 Series
Seiko Instruments Inc.
35
4) S-8357ExxMC, S-8357GxxMC / BD, S-8357JxxMC / BD,
S-8358ExxMC, S-8358GxxMC / BD, S-8358JxxMC / BD
VOUT
EXT
VSS
VIN
L
2200 pF
CIN
SD
CL
+
+
Oscillation
circuit
PWM control circuit or
PWM / PFM switching
control circuit
Soft start built-in
reference power
supply
VDD
+
Phase
compensating
circuit
IC
internal
power
supply
1 K
Ω
Remark The power supply for the IC chip is from the VDD pin.
Figure 23
5) S-8355KxxMC / BD, S-8355LxxMC / BD, S-8355MxxMC / BD, S-8355QxxMC / BD,
S-8356KxxMC / BD, S-8356LxxMC / BD, S-8356MxxMC / BD, S-8356QxxMC / BD
VOUT
EXT
VSS
VIN
L
2200 pF
CIN
SD
+
CL
+
VDD
CC
RA
RB
OFF
/
ON
Oscillation
circuit
PWM control circuit or
PWM / PFM switching
control circuit
+
Soft start built-in
reference power
supply
Phase
compensating
circuit
IC
internal
power
supply
1 K
Ω
Remark The power supply for the IC chip is from the VDD pin.
Figure 24
6) S-8355KxxMC / BD, S-8355LxxMC / BD, S-8355MxxMC / BD,
S-8356KxxMC / BD, S-8356LxxMC / BD, S-8356MxxMC / BD
VOUT
VIN
L
2200 pF
CIN
SD
CL
+
+
VSS
EXT
VDD
OFF
/
ON
Oscillation
circuit
PWM control circuit or
PWM / PFM switching
control circuit
+
Soft start built-in
reference power
supply
Phase
compensating
circuit
IC
internal
power
supply
1 K
Ω
Remark The power supply for the IC chip is from the VDD pin.
Figure 25
Caution The above connection diagram and constant will not guarantee successful operation. Perform
through evaluation using the actual application to set the constant.
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