參數(shù)資料
型號： NCP1205P2G
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
中文描述： SWITCHING CONTROLLER, 125 kHz SWITCHING FREQ-MAX, PDIP14
封裝： LEAD FREE, PLASTIC, DIP-14
文件頁數(shù)： 6/17頁
文件大?。?/td> 277K
代理商： NCP1205P2G
NCP1205
http://onsemi.com
6
MAXIMUM RATINGS
Rating
Pin No.
Symbol
Value
Unit
PDIP
8
PDIP
14
SOIC
16
Min
Max
Power Supply Voltage
8
13
14
V
in
30
V
Thermal Resistance Junction
to
Air
PDIP
8
PDIP
14
SOIC
16
R
JA
100
100
145
°
C/W
Operating Junction Temperature Range
Maximum Junction Temperature
T
J
T
Jmax
25 to +125
150
°
C
°
C
Storage Temperature Range
T
stg
60 to +150
°
C
ESD Capability, HBM Model
All Pins
All Pins
All Pins
2.0
kV
ESD Capability, Machine Model
All Pins
All Pins
All Pins
200
V
Demagnetization Pin Current
2
3
4
5.0/+10
mA
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ELECTRICAL CHARACTERISTICS
(For typical values T
A
= 25
°
C, for min/max values T
J
=
25
°
C to +125
°
C, Max T
J
= 150
°
C,
V
CC
= 12 V unless otherwise noted.)
Characteristics
Pin No.
Symbol
Min
Typ
Max
Unit
PDIP
8
PDIP
14
SOIC
16
Demagnetization Block
Input Threshold Voltage (V
pin2
increasing)
Hysteresis (V
pin2
decreasing)
Input Clamp Voltage
High State (I
pin2
= 3.0 mA)
Low State (I
pin2
=
3.0 mA)
2
3
4
Vth
50
65
85
mV
2
3
4
V
H
30
mV
2
3
4
VC
H
VC
L
8.0
0.9
10
0.7
12
0.5
V
Demag Propagation Delay
100
300
350
ns
No Demag Signal Activation
4.0
8.0
s
Internal Input Capacitance at 1.0 V
2
3
4
C
pin2
10
pF
Demag Propagation Delay with 22 k External Resistor
2
3
4
100
370
480
ns
Feedback Path
Input Impedance at V
FB
= 3.0 V
Internal Error Amplifier Closed Loop Gain
3
4
5
Zin
50
k
3
4
5
AV
CL
V
ref
3.0
Internal Built
In Offset Voltage for Error Detection
2.2
2.5
2.8
V
Error Amplifier Level of VCO Take Over
1.0
V
Internal Divider from Internal Error Amp, Pin to Current
Setpoint
3.0
Fault Detection Circuitry
Internal Over Current Level
WL
L
1.5
V
Fault Time Duration to Latch Activation @ Ct = 1.0
η
F
128
ms
Over Current Latchoff Phase @ Ct = 1.0
η
F
1.0
s
Hysteresis when V
FB
goes back into Regulation
Overvoltage Protection Threshold for PDIP
14 and
SOIC
16 versions
100
mV
6
7
OVP1
2.5
2.8
3.1
V
Current Sense Comparator
Input Bias Current @ 1.0 V
6
11
12
I
IB
V
cl
V
min
0.02
A
Maximum Current Setpoint
6
11
12
0.9
1.0
1.1
V
Minimum Current Setpoint
6
11
12
225
250
285
mV
相關(guān)PDF資料
PDF描述
NCP1205PG Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
NCP1205P Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
NCP1205P2 Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
NCP1205 Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
NCP1207APG PWM Current−Mode Controller for Free Running Quasi−Resonant Operation
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP1205PG 功能描述:電流型 PWM 控制器 Single Ended Quasi Resonant PWM RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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
NCP1207/D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PWM Current-Mode Controller for Quasi-Resonant Operation
NCP1207A 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation
NCP1207A_06 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:PWM Current−Mode Controller for Free Running Quasi−Resonant Operation
NCP1207A_07 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation
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