參數(shù)資料
型號(hào): R1230D181D-TR
廠商: Ricoh Co., Ltd.
英文描述: PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier
中文描述: 脈寬調(diào)制/ VFM的降壓型DC / DC同步整流轉(zhuǎn)換器
文件頁(yè)數(shù): 7/20頁(yè)
文件大?。?/td> 881K
代理商: R1230D181D-TR
Rev. 1.12 - 7 -
I
TEST CIRCUITS
V
IN
Lx
V
DD
CE
V
OUT
AGND
PGND MODE
A
OSCILLOSCOPE
V
IN
Lx
V
DD
CE
V
OUT
AGND
PGND MODE
Test Circuit for Input Current and Leakage Current
Test Circuit for Input Voltage and UVLO voltage
V
IN
Lx
V
DD
CE
V
OUT
AGND
PGND MODE
10uF
L
V
OUT
OSCILLOSCOPE
Test Circuit for Output Voltage, Oscillator Frequency, Soft-Starting Time
V
IN
Lx
V
DD
CE
V
OUT
AGND
PGND MODE
A
V
IN
Lx
V
DD
CE
V
OUT
AGND
PGND MODE
A
OSCILLOSCOPE
Test Circuit for Supply Current and Standby Current
Test Circuit for ON resistance of Lx, Limit Voltage, Delay
Time of Protection Circuit
The bypass capacitor between Power Supply and GND is Ceramic capacitor 10
μ
F.
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