參數(shù)資料
型號: R1211N002B-TR
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 7/10頁
文件大?。?/td> 107K
代理商: R1211N002B-TR
Rev. 0.05 - 7 -
G
R1211X002C
(Topt=25
°
C)
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
V
IN
Operating Input Voltage
2.5
6.0
V
V
FB
V
FB
Voltage Tolerance
V
IN
=3.3V
0.985
1.000
1.015
V
V
FB
/
T
V
FB
Voltage
Temperature Coefficient
-40
°
C
Topt
85
°
C
±
150
ppm/
°
C
I
FB
V
FB
Input Current
V
IN
=6V, V
FB
=0V or 6V
-0.1
0.1
μ
A
f
OSC
Oscillator Frequency
V
IN
=3.3V, V
DLY
=V
FB
=0V
240
300
360
kHz
f
OSC
/
T
Oscillator Frequency
Temperature Coefficient
-40
°
C
Topt
85
°
C
±
0.6
kHz/
°
C
I
DD1
Supply Current 1
V
IN
=6V, V
DLY
=V
FB
=0V, EXT at no load
300
500
μ
A
maxdty
Maximum Duty Cycle
V
IN
=3.3V, EXT “H” side
84
90
94
%
R
EXTH
EXT “H” ON Resistance
V
IN
=3.3V, I
EXT
=-20mA
5
10
R
EXTL
EXT “L” ON Resistance
V
IN
=3.3V, I
EXT
=20mA
3
6
I
DLY1
Delay Pin Charge Current
V
IN
=3.3V, V
DLY
=V
FB
=0V
2.0
4.5
7.0
μ
A
I
DLY2
Delay Pin Discharge Current
V
IN
=V
FB
=2.5V, V
DLY
=0.1V
2.5
5.5
9.0
mA
V
DLY
Delay Pin Detector Threshold
V
IN
=3.3V, V
FB
=0V, V
DLY
=0V
2V
0.95
1.00
1.05
V
T
START
Soft-start Time
V
IN
=3.3V
5.0
10.5
16.0
ms
V
UVLO1
UVLO Detector Threshold
V
IN
=3.3V
0V, V
DLY
=V
FB
=0V
2.1
2.2
2.3
V
V
UVLO2
UVLO Detector Hysteresis V
IN
=0V
3.3V, V
DLY
=V
FB
=0V
0.08
0.13
0.18
V
I
AMP1
AMP “H” Output Current
V
IN
=3.3V, V
AMP
=1V, V
FB
=0.9V
0.45
0.90
1.50
mA
I
AMP2
AMP “L” Output Current
V
IN
=3.3V, V
AMP
=1V, V
FB
=1.1V
25
50
75
μ
A
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