參數(shù)資料
型號(hào): RV5VH102-E2
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: DC/DC CONVERTER CONTROLLER
中文描述: 0.4 A SWITCHING CONTROLLER, 150 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.65 MM PITCH, SSOP-8
文件頁(yè)數(shù): 43/47頁(yè)
文件大?。?/td> 384K
代理商: RV5VH102-E2
RV5VH3
××
42
CSW
FB1
V
DD
EXT1
D
OUT
FB2
EXT2
GND
C2
L2
PMOS
R3
R1
V
IN
R2
C3
SBD
C1
NPN Tr.
SBD
R6
R4
C4
R5
C5
L1
Output DC/DC 2
Output DC/DC 1
TYPICAL APPLICATION 2
CoiI
Diode
capacitor
L1 : 100μH, L2 : 100μH
Schottky type
C1 : 22μF(Ta), C2 : 22μF(Ta)
C3 : 0.01μF (ceramic)
C4 : 0.01μF (ceramic)
C5 : 0.01μF (ceramic)
2SJ238 (TOSHIBA)
2SD1628G (SANYO)
R1 : 100k
, R2 : 0 to 500k
R3 : 100k
R4 : 300
R5 : 0 to 500k
,
R6 : 50k
PMOS
NPN Tr.
Resistor
Description
Step up DC/DC converter : DC/DC1
The oscillator can operate when CSW is “H”. When the CSW is “L” the EXT1 outputs GND.
The output voltage can be adjusted by R5 and R6 with FB1 of two volt.
Invering DC/DC converter : DC/DC2
The oscillator can operate when CSW is “H”. When the CSW is “L” the EXT2 outputs V
DD
.
The output voltage can be adjusted by R1 and R2 with FB2 of zero volt.
VoItage Detector
V
DD
pin can be monitored. This could be always operated with V
DD
.
The D
OUT
pin outputs “L” when low voltage is detected with Nch open-drain output.
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