NJW4191
ELECTRICAL CHARACTERISTICS
(Unless otherwise noted, V+= 10V, VON/OFF= 5V, VFB= VOUT, VCLK=GND, C1=C2=C3=1µF, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
General Characteristics
Supply Current
IDD1
IDD2
RO
VON/OFF=5V, RL=no Load
VON/OFF=GND
–
–
940
330
25
1,220
450
34
–
µA
µA
Ω
Output Resistance
IOUT=20mA
–
Oscillation Frequency
Power Efficiency
fOSC
PEF
VEF
–
300
91
kHz
87
97
–
%
RL=500Ω
RL=no Load
Voltage Conversion Efficiency
99.9
–
%
ON/OFF Block
ON Control Voltage
OFF Control Voltage
ON/OFF pin Current
VON
1.7
0
–
–
5.5
0.3
7
V
V
VON/OFF= L → H
VON/OFF= H → L
VON/OFF=1.7V
VOFF
ION/OFF
–
3.5
µA
FB Block
Detection Voltage
FB pin Sink Current
VT
IFB
1.28
0.01
V
VFB= L → H
VFB=5.5 - |VOUT
-10%
–
+10%
1
|
µA
CLK Block
CLK Threshold (High)
CLK Threshold (Low)
CLK pin Sink Current
VCLK_H
VCLK_L
ICLK
2.4
0
–
–
6
5.5
0.7
10
V
V
VCLK=5.5V
–
µA
Ver.2013-02-12
- 3 -
NJRC [ NEW JAPAN RADIO ]
