Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

NJM2381 Datasheet(PDF) 4 Page - New Japan Radio

Part No. NJM2381
Description  SWITCHING REGULATOR CONTROL IC FOR FLYBACK WITH CURRENT SENSE AMPLIFIER
Download  8 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.njr.co.jp/index_e.htm
Logo NJRC - New Japan Radio

NJM2381 Datasheet(HTML) 4 Page - New Japan Radio

  NJM2381 Datasheet HTML 1Page - New Japan Radio NJM2381 Datasheet HTML 2Page - New Japan Radio NJM2381 Datasheet HTML 3Page - New Japan Radio NJM2381 Datasheet HTML 4Page - New Japan Radio NJM2381 Datasheet HTML 5Page - New Japan Radio NJM2381 Datasheet HTML 6Page - New Japan Radio NJM2381 Datasheet HTML 7Page - New Japan Radio NJM2381 Datasheet HTML 8Page - New Japan Radio  
Zoom Inzoom in Zoom Outzoom out
 4 / 8 page
background image
NJM2381
- 4 -
s
ELECTRICAL CHARACTERISTICS (V+=6V,RT=33kΩ,CT=1000pF,Ta=25°C)
ERROR AMPLIFIER BLOCK
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Reference Voltage2
VB2
0.51
0.52
0.53
V
Input Bias Voltage2
IB2
5
100
nA
Open Loop Gain2
AV2
90
dB
Gain Bandwidth Product2
GB2
0.6
MHz
Maximum Output Voltage2
(F.B Pin)
VOM-2
RNF=100kΩ
1
V
Maximum Source Current2
(F.B Pin)
IOM+2
VOM=0.5V
40
85
200
µA
PWM COMPARATE BLOCK
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Input Threshold Voltage
(F.B Pin)
VTH0
duty·cycle=0%
1.65
1.75
V
Input Threshold Voltage
(F.B Pin)
VTH50
duty·cycle=50%
1.88
V
Maximum Duty Cycle
αM
Current Sense Amp.=HIGH
Error Amp.=HIGH ,CS Pin=1.2V
55
64
85
%
SOFT START CIRCUIT BLOCK
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Input Bias Current
(CS Pin)
IBCS
CS Pin=1.8V
250
650
nA
Input Threshold Voltage
(CS Pin)
VTHCS0
duty·cycle=0%
0.25
0.35
V
Input Threshold Voltage
(CS Pin)
VTHCS50 duty·cycle=50%
0.52
V
UNDER VOLTAGE LOCKOUT BLOCK
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
ON Threshold Voltage
VTHON
2.70
V
OFF Threshold Voltage
VTHOFF
2.52
V
Hysteresis Voltage
VHYS
60
180
mV
OUTPUT BLOCK
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
H-Output Voltage (OUT Pin)
VOH
RL=10kΩ
3.50
4.00
V
L-Output Voltage (OUT Pin)
VOL
Output Sink Current=20mA
0.25
0.65
V
Output Source Current
(OUT Pin)
ISOURCE OUT Pin=0V
8
11
mA
GENERAL CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Latch Mode
Threshold Voltage (CS Pin)
VTHLA
1.2
1.5
1.8
V
Quiescent Current
ICCLA
Latch Mode
1.6
2.2
mA
Average Quiescent Current
ICCAV
RL=
, duty·cycle=50%
3.5
4.8
mA


Html Pages

1  2  3  4  5  6  7  8 


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn