NJU7631 JRC, NJU7631 Datasheet - Page 4

• Manufacturer Part Number: NJU7631
• Description: Switching Regulator IC / TVSP8
• Manufacturer: JRC

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NJU7631
■ELECTRICAL CHARACTERISTICS (V
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
PWM/PFM Change Duty Cycle
Output Block
Output High Level
ON Resistance
Output Low Level
ON Resistance
General Characteristics
Quiescent Current
- 4 -
PARAMETER
M
M
PFMD
SYMBOL
AX
AX
I
I
V
V
OM+_1
OM+_2
R
R
I
G
V
A
OM-
D
D
T_25
T_50
I
I
DD
B
OH
OL
B
V
B
UTY_1
UTY_2
+
UTY
=3.3V, R
V
V
V
Duty= PFMD
Duty=50%
V
V
I
I
R
O
O
FB
FB
FB
FB
FB
L
=-20mA
=+20mA
=Non Load
T
=1V, V
=1V, V
=1V, V
=0.9V
=0.9V, R
=47kΩ, Ta=25°C)
TEST CONDITION
IN-
IN-
IN-
=0.9V
=0.9V, V
=1.1V
DTC
UTY
=47kΩ
+
=2.2V
-1.0%
MIN.
0.10
0.29
0.44
-0.1
100
25
40
17
–
–
4
–
–
–
TYP.
1.00
0.16
0.35
800
0.5
80
55
50
25
10
–
1
9
–
5
+1.0%
MAX.
1200
0.22
0.41
0.56
0.1
95
16
60
33
20
10
–
–
–
Ver.2006-07-12
UNIT
MHz
mA
mA
mA
µA
dB
µA
%
%
%
Ω
Ω
V
V
V