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参数资料
| 型号： | R1230D1.51B-TR |
| 英文描述： | Analog IC |
| 中文描述： | 模拟IC |
| 文件页数： | 6/20页 |
| 文件大小： | 882K |
| 代理商： | R1230D1.51B-TR |
Rev. 1.15 - 6 -
G
R1230D001C/D
Symbol
V
IN
V
FB
(Topt=25
°
C)
Conditions
Item
MIN.
2.4
0.776
TYP.
MAX. Unit
5.5
0.824
Operating Input Voltage
Feedback Voltage
V
V
V
IN
=V
CE
=V
SET
+1.5V, V
MODE
=0V,
I
OUT
=10mA
-40
°
C
≤
Topt
≤
85
°
C
0.800
V
FB
/
T
fosc
fosc
I
DD
I
DD
I
stb
R
ONP
Feedback Voltage
Temperature Coefficient
Oscillator Frequency(xx1C)
Oscillator Frequency(xx1D)
Supply Current(xx1C)
Supply Current(xx1D)
Standby Current
ON Resistance of
Pch Transistor
ON Resistance of
Nch Transistor
I
LX
leak Lx Leakage Current
I
VFB
V
FB
Leakage Current
I
CE
CE Input Current
V
CEH
CE "H" Input Voltage
V
CEL
CE "L" Input Voltage
Maxdty Oscillator Maximum Duty Cycle V
MODE
=0V
V
LX
Lx Limit Voltage
±
150
ppm
/
°
C
kHz
kHz
μ
A
μ
A
μ
A
V
IN
=V
CE
=V
SET
+1.5V
V
IN
=V
CE
=V
SET
+1.5V
V
IN
=V
CE
=5.5V, V
FB
=V
MODE
=0V
V
IN
=V
CE
=5.5V, V
FB
=V
MODE
=0V
V
IN
=5.5V, V
CE
=V
FB
=0V
V
IN
=5.0V
425
680
500
800
230
250
0
0.35
575
920
300
350
5
0.60
0.20
R
ONN
V
IN
=5.0V
0.20
0.45
0.70
V
IN
=5.5V, V
CE
=0V, V
LX
=0V/5.5V
V
IN
=5.5V, V
CE
=0V, V
FB
=0V/5.5V
V
IN
=5.5V, V
MODE
=0V, V
CE
=5.5V/0V
V
IN
=5.5V, V
FB
=0V
V
IN
=2.4V, V
FB
=0V
-0.1
-0.1
-0.1
1.5
0.0
0.0
0.0
0.1
0.1
0.1
μ
A
μ
A
μ
A
V
V
%
V
0.3
100
V
IN
=V
CE
=3.0V, V
MODE
=0V, V
FB
=0V
V
IN
-0.15
V
IN
-
0.35
1.5
1.5
2.1
2.2
V
IN
-
0.55
2.5
T
start
T
prot
V
UVLO1
UVLO Threshold Voltage
V
UVLO2
UVLO Released Voltage
I
MODE
MODE Pin Input Current
V
MODE
MODE ”H” Input Voltage
V
MODEL
MODE ”L” Input Voltage
VFMdty VFM Duty Cycle
Delay Time by Soft-Start function
at no load, V
IN
=V
CE
=V
SET
+1.5V
Delay Time for protection circuit
0.5
ms
ms
V
V
μ
A
V
V
%
V
IN
=V
CE
=3.6V, V
MODE
=0V
V
IN
=V
CE
=2.5V->1.5V, V
FB
=0V
V
IN
=V
CE
=1.5V->2.5V, V
FB
=0V
V
IN
=5.5V, V
MODE
=5.5V/0V, V
CE
=0V
V
IN
=V
CE
=5.5V, V
FB
=0V
V
IN
=V
CE
=2.4V, V
FB
=0V
V
IN
=V
CE
=V
MODE
=2.4V, V
FB
=0V
1.8
1.9
-0.1
1.5
2.2
2.3
0.1
0.3
85
55
65
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