NJW4191
ꢀBLOCK DIAGRAM
V+
ON/OFF
High: ON
Low : OFF
Level
Shift
Thermal
Shut Down
C+
GND
Divider
Int. CLK: 1/2
Ext. CLK: 1/4
Clock
Generator
Level
Shift
C-
VOUT
FB
CLK
Vref
1.28V
ꢀPRODUCT CLASSIFICATION
PART NUMBER
NJW4191R-A
NJW4191M-A
Divider
External CLK: 1/4
ꢀABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
Input Voltage
FB pin Voltage
SYNBOL
MAXIMUM RATINGS
+20
UNIT
V
V
V+
VFB
+6 -⏐VOUT
⏐
ON/OFF pin Voltage
CLK pin Voltage
Maximum Output Current
VON/OFF
VCLK
IOUT
-0.3 to +6
-0.3 to +6
55
V
V
mA
MSOP8 (VSP8)
DMP8
: 595 (*1)
: 530 (*1)
Power Dissipation
PD
mW
Operating Temperature
Storage Temperature
Topr
Tstg
-40 to +85
-40 to +150
°C
°C
(*1): Mounted on glass epoxy board. (76.2×114.3×1.6mm:EIA/JDEC standard size, 2Layers)
ꢀRECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
SYMBOL
V+
MIN.
4.7
TYP.
–
MAX.
17
UNIT
V
External CLK Input Range
A version (*2)
External CLK Duty Input Range
fCLK
300
45
–
–
2,000
80
kHz
DUTY
%
(*2): The oscillation frequency is output from the VOUT pin that external clock input frequency divided by four (4).
Ver.2013-02-12
- 2 -
NJRC [ NEW JAPAN RADIO ]
