參數(shù)資料
型號(hào)： RV5VE001C-E2
廠商： RICOH COMPANY LTD
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： MULTI-POWER SUPPLY
中文描述： QUAD OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO16
封裝： 0.65 MM PITCH, SSOP-16
文件頁(yè)數(shù)： 19/49頁(yè)
文件大小： 321K
代理商： RV5VE001C-E2
18
Detector 1
V
DD
Current Source
Ra
Rb
Rc
Tr.1
Output Tr.
V
SEN1
D
OUT
GND
Nch
V
+
–
Operation Diagram
A
B
Released Voltage +V
DET
Detected Voltage –V
DET
Minimum Operating Voltage
GND
GND
Step
Output Voltage
1
2
3
4
5
Detector Threshold Hysteresis
Step
Step 1
Step 2
Step 3
Step 4
Step 5
Comparator(+)Pin
Input Voltage
I
II
II
II
I
Comparator Output
H
L
L
L
H
Tr. 1
OFF
ON
ON
ON
OFF
Output Tr.
Nch
OFF
ON
Indefinite
ON
OFF
I
.
Rb + Rc
Ra + Rb + Rc
· V
DD
II
.
Rb
Ra + Rb
· V
DD
Step 1. Output Voltage is equal to Pull-up Voltage.
Step 2. When Input Voltage (V
SEN
1
)reaches the state of Vref
≥
V
SEN
1
· (Rb+Rc)/(Ra+Rb+Rc)at Point A (Detected Voltage–V
DET
), the output of Comparator
is reversed, so that Output Voltage becomes GND.
Step 3. Output Voltage becomes indefinite when Power Source Voltage (V
DD
) is smaller than Minimum Operating Voltage. When the output is pulled-
up,V
DD
is output.
Step 4. Output Voltage becomes equal to GND.
Step 5. When Input Voltage to (V
SEN
1
) reaches the state of Vref
≤
V
SEN
1
· Rb/(Ra + Rb) at Point B (Released Voltage+V
DET
), the output of Comparator is reversed,
so that Output Voltage becomes equal to Pulled-up Voltage.
Step of Operation
The following descriptions deal with V
DD
pin and V
SEN
1
pin as connected each other, but Detector 1 can be detect-
ed the different voltage from V
DD
through V
SEN
1
pin.
RV5VE0
×××
相關(guān)PDF資料
PDF描述
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RV5VE001B MULTI-POWER SUPPLY
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RV5VE001B-E2 MULTI-POWER SUPPLY
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