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參數(shù)資料
| 型號(hào)： | R1250V3.61A- |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 127K |
| 代理商： | R1250V3.61A- |
12345
Rev. 1.10 - 5 -
n
ELECTRICAL CHARACTERISTICS
l
R1250Vxx1A (Unless otherwise provided, V
IN
=5.0V, Topt=25
°
C, C
P,
C
OUT
= Ceramic 4.7
m
F)
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
Set Output Voltage = –2.7V to –2.0V
2.7
V
IN
Operating Input Voltage
Set Output Voltage = -4.0V to –2.8V
_
OUT
5.5
V
-2.4V to –2.0V
1.50
2.30
-2.9V to –2.5V
1.60
2.55
-3.4V to –3.0V
1.70
2.75
Iss
Supply Current
Operation: Active,
for IC itself*
Note1
-4.0V to –3.5V
1.80
3.00
mA
I
STB
Shut-down Current
Operation: Shut-down, for IC itself
*Note2
0.1
1
P
A
-2.4V to –2.0V
u
0.95
u
1.05
-2.9V to –2.5V
u
0.96
u
1.04
-3.4V to –3.0V
u
0.97
u
1.03
I
OUT
=0mA/10mA
-4.0V to –3.5V
u
0.97
u
1.03
I
OUT
=50mA
-2.4V to –2.0V
u
0.88
u
1.12
-2.9V to –2.5V
u
0.89
u
1.11
-3.4V to –3.0V
u
0.91
u
1.09
V
OUT
Output Voltage
I
OUT
=75mA
-4.0V to –3.5V
u
0.92
u
1.08
V
V
REF
Reference Voltage(Note
3)
No load
~
V
OUT
V
I
OUT
=10mA to 50mA -2.4V to –2.0V
'
V
OUT
/
'
I
OUT
Load Regulation
I
OUT
=10mA to 75mA -4.0V to –2.5V
0.7
mV/mA
fosc
Oscillator Frequency
Output Frequency
238
280
322
kHz
'
f
OSC
/
'
T
Oscillator Frequency
Temperature Coefficient
r
0.25
kHz/
q
C
D
UTY
Oscillator Duty Cycle
At no Load
50
%
V
SDH
CE “H” Input Voltage
1.5
V
V
SDL
CE “L” Input Voltage
0.25
V
R
PU
CE Pull-up Resistance
0.68
1.25
3.00
M
:
R
O
Resistance between
V
OUT
and GND
5
k
:
*Note1: Refer to Test Circuit 1.
*Note2: Refer to Test Circuit 6.
*Note3: Do not connect ant load. Refer to Technical Notes.
*Use Ceramic Capacitors with low ESR. Capacitors with high ESR could have bad effect on the performance of this
IC.
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