参数资料
型号: S-8521C30MC-BTP-T2G
元件分类: 稳压器
英文描述: 0.05 A SWITCHING CONTROLLER, 72 kHz SWITCHING FREQ-MAX, PDSO5
封装: LEAD FREE, SOT-23, 5 PIN
文件页数: 14/44页
文件大小: 511K
代理商: S-8521C30MC-BTP-T2G
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.9.0_00
S-8520/8521 Series
Seiko Instruments Inc.
21
Standard Circuits
1.
Using a bipolar transistor
VSS
VOUT
+
VIN
CIN
L
SD
COUT
Reference voltage
source with soft start
VIN
Tr
Cb
Rb
EXT
+
PWM control or
PWM / PFM switching
control circuit
Oscillation
circuit
VON/OFF
______
ON/OFF
______
Figure 12
2.
Using a Pch MOS FET transistor
VSS
VOUT
L
SD
COUT
+
VIN
Tr
+
EXT
VIN
CIN
Oscillation
circuit
Reference voltage
source with soft start
PWM control or
PWM / PFM switching
control circuit
VON/OFF
______
ON/OFF
______
Figure 13
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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参数描述
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