參數(shù)資料
型號： S-8520
廠商： Seiko Instruments Inc.
英文描述： PWM Control Step-Down Switching Regulator-Controller(PWM 控制，步降開關穩(wěn)壓器-控制器)
中文描述： PWM控制降壓型開關穩(wěn)壓控制器（脈寬調制控制，步降開關穩(wěn)壓器-控制器）
文件頁數(shù)： 24/30頁
文件大小： 650K
代理商： S-8520
PWM Control & PWM/PFM Control Step-Down Switching Regulator-Controllers
Rev.6.1
S-8520/8521 Series
Seiko Instruments Inc.
23
n
Reference Data:
This reference data is intended to help you select peripheral components to be externally connected to the IC. Therefore, this
information provides recommendations on external components selected with a view to accommodating a wide variety of IC
applications. Characteristic data is duly indicated in the table below.
Table 1
No.
Product
Name
Output
Voltage
Inductor
Transistor
Diode
Output
Capacitor
Application
(1)
S-8520B30MC
3.0V
CD105/47uH
TM6201
MA737
47uF
Load current 1A max., input voltage 10V
max.
Load current 1A max., input voltage 10V
max.
Equipment standby mode involved.
Load current 1A max., input voltage 16V
max.
Equipment standby mode involved.
Load current 0.5A max., input voltage
10V max.
Equipment standby mode involved.
Load current 0.5A max., input voltage
16V max.
Equipment standby mode involved.
Load current 0.5A max., input voltage
10V max.
Load current 0.5A max., input voltage
10V max.
Equipment standby mode involved.
Load current 0.5A max., input voltage
10V max.
Equipment standby mode involved.
(2)
S-8521B30MC
-
-
-
-
-
(3)
-
-
-
IRF7606
-
-
(4)
S-8521D30MC
-
CD54/47uF
TM6201
MA720
47uFx2
(5)
-
-
-
IRF7606
-
-
(6)
S-8520B50MC
5.0V
-
TM6201
-
47uF
(7)
S-8521B50MC
-
-
-
-
-
(8)
S-8521D50MC
-
-
-
-
47uFx2
Table 2
Component
Product
Name
Manufacturer's
Name
L-Value
DC
Resistance
Max. Allowable
Current
Dia.
Height
Inductor
CD54
Sumida Electric
Co., Ltd.
47uH
0.37
W
0.72A
5.8mm
4.5mm
CD105
-
47uH
0.17
W
1.28A
10.0mm
5.4mm
Diode
MA720
Matsushita Electronics
Corporation
Forward current 500mA (When VF = 0.55V)
MA737
-
Forward current 1.5A (When VF = 0.5V)
Output Capacity
F93
Nichicon
TE
Matsushita Electronics
Corporation
External Transistor
TM6201
Toyoda Automatic
Loom Works, Ltd.
VGS 12V max. , ID -2A max. , Vth -0.7V min. , Ciss 320pF typ.
Ron 0.25
W
max.(Vgs=-4.5V)
IRF7606
International
Rectifier
VGS 20V max. , ID -2.4A max. , Vth -1V min. Ciss 470pF typ.
Ron 0.15
W
max.(Vgs=-4.5V)
2SA1213-Y
Toshiba Corporation
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相關代理商/技術參數(shù)
參數(shù)描述
S-8520A20MC-AVFT2G 功能描述:DC/DC 開關控制器 Step Down SWR PWM 180kHz 60uA Iq RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8520A21MC-AVG-T2 功能描述:DC/DC 開關控制器 2.1V Step-Down PWM RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8520A21MC-AVGT2G 功能描述:DC/DC 開關控制器 2.1V Step-Down PWM RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
S-8520A25MC-ARK-T2 制造商:SII 制造商全稱:Seiko Instruments Inc 功能描述:PWM CONTROL & PWM/PFM CONTROL STEP-DOWN SWITCHING REGULATOR-CONTROLLERS
S-8520A25MC-AVK-T2 功能描述:DC/DC 開關控制器 2.5V Step-Down PWM RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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