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(guān)穩(wěn)壓器-控制器)
中文描述： PWM控制降壓型開關(guān)穩(wěn)壓控制器（脈寬調(diào)制控制，步降開關(guān)穩(wěn)壓器-控制器）
文件頁數(shù)： 4/30頁
文件大?。?/td> 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.
3
n
Pin Assignment:
SOT-23-5
Top view
1 2 3
5 4
Figure 2
n
Absolute Maximum Ratings:
Note: Although this IC incorporates an electrostatic protection circuit, the user is urged to avoid subjecting it to an extremely high
static electricity or static voltage in excess of the performance of the said protection circuit.
(Ta = 25
Item
Symbol
V
IN
terminal voltage
V
OUT
terminal voltage
ON/OFF terminal voltage
EXT terminal voltage
EXT terminal current
Power dissipation
o
C
, unless otherwise specified)
Ratings
V
SS
-0.3 to V
SS
+12 or 18
V
SS
-0. 3 to V
IN
+0.3
V
SS
-0.3 to V
SS
+12 or 18
V
SS
-0.3 to V
IN
+0.3
±
50
150
-40 to +85
-40 to +125
Unit
V
V
V
V
mA
mW
o
C
o
C
VIN *1
VOUT
ON/OFF *1
VEXT
IEXT
PD
TOPR
TSTG
Operating temperature range
Storage temperature range
*1: VSS+12V for S-8520/21A/C; VSS+18V for S-8520/21B/D
Terminal
No.
1
Terminal
Name
Function
ON/OFF
Power-off terminal
H: Normal operation (Step-down operation)
L: Step-down operation stopped (All circuits
deactivated)
GND terminal
Output voltage monitoring terminal
Connection terminal for external transistor
IC power supply terminal
2
3
4
5
V
SS
V
OUT
EXT
V
IN
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-8520A20MC-AVFT2G 功能描述:DC/DC 開關(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK
S-8520A21MC-AVG-T2 功能描述:DC/DC 開關(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK
S-8520A21MC-AVGT2G 功能描述:DC/DC 開關(guān)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(guān)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(fēng)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(guān)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(guān)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(fēng)格: 封裝 / 箱體:CPAK
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