參數(shù)資料
型號： NCP1239
廠商： ON SEMICONDUCTOR
英文描述： Low−Standby High Performance PWM Controller
文件頁數(shù)： 5/38頁
文件大?。?/td> 1145K
代理商： NCP1239
NCP1239
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25
°
C, for min/max values T
J
= 0
°
C to +125
°
C, V
pin16
= 48 V,
V
CC
= 20 V unless otherwise noted.)
Symbol
Unit
Max
Typ
Min
Pin
Rating
SoftStart and Timer
I
ch
SoftStart or Jittering charge current @ V
pin6
= 2.4 V
6
60
95
110
A
I
disch
Jittering Discharge Current @ V
pin6
= 2.4 V
6
77
107
137
A
V
jitter
Jittering SawTooth Lower Threshold
6
1.67
1.80
1.89
V
V
jitter
H
Jittering SawTooth Upper Threshold
6
2.85
3.00
3.20
V
V
timer
L
Timer Peak Threshold
6
4.0
4.3
4.6
V
I
timerC
Timer Charge Current @ V
pin6
= 3.5 V and Pin 8 open
6
3.9
5.2
6.4
A
I
timerD
Timer Discharge Current @ V
pin6
= 3.5 V and Pin 8 open
6
400
A
Feedback Section
Rup
Internal Pullup Resistor
8
20
k
Ifb
Source Current @ V
pin8
= 0.5 V
8
200
A
Iratio
Pin 8 to current Setpoint division ratio
3.0
Internal Ramp Compensation
R
ramp
Internal Resistor
10
32
k
V
ramp
Internal SawTooth Amplitude
10
3.2
V
Skipping Mode and Standby Management
Rgts
Pin 1 output impedance in standby state
(Pin 8 grounded, V
pin6
> 4.5 V) @ V
CC
= 12.5 V
1
4.0
8.0
18
k
Igts
Sink Current Source in Normal Mode
@ V
pin8
= 2 V, Pin 7 open @ V
CC
V
pin1
=0.7 V
1
0.6
1.0
mA
FBskip
Default Feedback Level for SkipCycle Operation and Standby
Detection
7
380
430
480
mV
FB_stbyout
Default Feedback Level to Leave Standby
7
650
740
810
mV
V
stbyout
/V
skip
Ratio leave standby Setpoint to skipcycle Setpoint
1.5
1.7
1.9
R
pin7
Internal Pin 7 Impedance
7
110
k
Pin 7 to Skipping Setpoint ratio
3.0
BrownOut Detection
BO
thH
BrownOut Detection Upper Threshold
5
0.45
0.50
0.55
V
BO
thL
BrownOut Detection Low Threshold
5
0.20
0.24
0.28
V
BO
hyst
BrownOut Hysteresis
5
0.20
0.26
0.30
V
Protections
TSD
Thermal Shutdown:
Thermal Shutdown Threshold
Hysteresis
140
30
°
C
Vfault
Fault Detection Threshold
3
2.2
2.4
2.6
V
ORDERING INFORMATION
Device
Package
Shipping
NCP1239FDR2
SOIC16
2500 / Tape & Reel
NCP1239FDR2G
SOIC16
(PbFree)
2500 / Tape & Reel
NCP1239VDR2
SOIC16
2500 / Tape & Reel
NCP1239VDR2G
SOIC16
(PbFree)
2500 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
相關(guān)PDF資料
PDF描述
NCP1239FDR2 Low−Standby High Performance PWM Controller
NCP1239FDR2G Low−Standby High Performance PWM Controller
NCP1239VDR2 Low−Standby High Performance PWM Controller
NCP1239VDR2G Low−Standby High Performance PWM Controller
NCP1271 Soft−Skip Mode Standby PWM Controller with Adjustable Skip Level and External Latch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP1239D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Standby High Performance PWM Controller
NCP1239F 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators
NCP1239FDR2 功能描述:電流型 PWM 控制器 Low Standby Power RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
NCP1239FDR2G 功能描述:電流型 PWM 控制器 Low Standby Power High Performance PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
NCP1239V 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators
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