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NJU7630 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU7630
PWM control Step-Down switching regulator IC
Japan Radio Corporation
NJU7630 Datasheet PDF : 9 Pages
1
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9
NJU7630
■
ELECTRICAL CHARACTERISTICS (V
+
=3.3V, R
T
=47k
Ω
, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
Error Amplifier Block
Reference Voltage
Input Bias Current
Open Loop Gain
Gain Bandwidth Product
Output Source Current
Output Sink Current
PWM Comparate Block
Input Threshold Voltage
Maximum Duty Cycle
Output Block
Output High Level
ON Resistance
Output Low Level
ON Resistance
General Characteristics
Quiescent Current
V
B
I
B
A
V
G
B
I
OM+_1
I
OM+_2
I
OM-
V
FB
=1V, V
IN-
=0.9V
V
FB
=1V, V
IN-
=0.9V, V
+
=2.2V
V
FB
=1V, V
IN-
=1.1V
V
T_0
V
T_50
M
AX
D
UTY_1
M
AX
D
UTY_2
Duty=0%
Duty=50%
V
FB
=0.9V
V
FB
=0.9V, R
DTC
=47k
Ω
R
OH
I
O
=-20mA
R
OL
I
O
=+20mA
I
DD
R
L
=Non Load
MIN.
-1.0%
-0.1
–
–
25
4
0.10
0.16
0.44
100
40
–
–
–
TYP.
1.00
–
80
1
55
9
0.16
0.22
0.5
–
50
10
5
800
MAX. UNIT
+1.0% V
0.1
µ
A
–
dB
–
MHz
95
mA
16
mA
0.22 mA
0.28
V
0.56
V
–
%
60
%
20
Ω
10
Ω
1200
µ
A
-4-
Ver.2005-03-01
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