參數(shù)資料
型號： NCP1207B
廠商： ON SEMICONDUCTOR
英文描述： PWM Current-Mode Controller for Free Running Quasi-Resonant Operation
中文描述： PWM電流模式控制器上運行的免費準諧振操作
文件頁數(shù)： 4/15頁
文件大?。?/td> 264K
代理商： NCP1207B
NCP1207B
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25
°
C, for min/max values T
J
= 0
°
C to +125
°
C, Max T
J
= 150
°
C,
V
CC
= 11 V unless otherwise noted)
Rating
Pin
Symbol
Min
Typ
Max
Unit
DYNAMIC SELF-SUPPLY
V
CC
Increasing Level at which the Current Source Turns-off
6
VCC
OFF
10.8
12
12.9
V
V
CC
Decreasing Level at which the Current Source Turns-on
6
VCC
ON
9.1
10
10.6
V
V
CC
Decreasing Level at which the Latchoff Phase Ends
6
VCC
latch
-
5.3
-
V
V
CC
Level at which Output Pulses are Disabled
6
UVLO
-
VCC
ON
-200mV
-
V
Internal IC Consumption, No Output Load on Pin 5,
F
SW
= 60 kHz
6
ICC1
-
1.0
1.3
(Note 1)
mA
Internal IC Consumption, 1.0 nF Output Load on Pin 5,
F
SW
= 60 kHz
6
ICC2
-
1.6
2.0
(Note 1)
mA
Internal IC Consumption in Latchoff Phase
6
ICC3
-
330
-
A
INTERNAL STARTUP CURRENT SOURCE
(T
J
0
°
C)
High-voltage Current Source, V
CC
= 10 V
8
IC1
4.3
7.0
9.6
mA
High-voltage Current Source, V
CC
= 0
8
IC2
-
8.0
-
mA
DRIVE OUTPUT
Output Voltage Rise-time @ CL = 1.0 nF, 10-90% of Output Signal
5
T
r
-
40
-
ns
Output Voltage Fall-time @ CL = 1.0 nF, 10-90% of Output Signal
5
T
f
-
20
-
ns
Source Resistance
5
R
OH
12
20
36
Sink Resistance
5
R
OL
5.0
10
19
CURRENT COMPARATOR
(Pin 5 Unloaded)
Input Bias Current @ 1.0 V Input Level on Pin 3
3
I
IB
-
0.02
-
A
Maximum Internal Current Setpoint
3
I
Limit
0.92
1.0
1.12
V
Propagation Delay from Current Detection to Gate OFF State
3
T
DEL
-
100
160
ns
Leading Edge Blanking Duration
3
T
LEB
-
380
-
ns
Internal Current Offset Injected on the CS Pin during OFF Time
3
Iskip
-
200
-
A
OVERVOLTAGE SECTION
(V
CC
= 11 V)
Sampling Delay after ON Time
1
T
sample
-
1.5
-
s
OVP Internal Reference Level
1
V
ref
6.4
7.2
8.0
V
FEEDBACK SECTION
(V
CC
= 11 V, Pin 5 Loaded by 1.0 k )
Internal Pull-up Resistor
2
Rup
-
20
-
k
Pin 3 to Current Setpoint Division Ratio
-
Iratio
-
3.3
-
-
Internal Soft-start
-
Tss
-
1.0
-
ms
DEMAGNETIZATION DETECTION BLOCK
Input Threshold Voltage (Vpin 1 Decreasing)
1
V
th
35
50
90
mV
Hysteresis (Vpin 1 Decreasing)
1
V
H
-
20
-
mV
Input Clamp Voltage
High State (Ipin 1 = 3.0 mA)
Low State (Ipin 1 = -2.0 mA)
1
1
VC
H
VC
L
8.0
-0.9
10
-0.7
12
-0.5
V
V
Demag Propagation Delay
1
T
dem
-
210
-
ns
Internal Input Capacitance at Vpin 1 = 1.0 V
1
C
par
-
10
-
pF
Minimum T
OFF
(Internal Blanking Delay after T
ON
)
1
T
blank
3.5
4.5
5.5
s
Timeout After Last Demag Transition
1
T
out
-
5.0
-
s
Pin 1 Internal Impedance
1. Max value at T
J
= 0
°
C.
1
R
int
-
28
-
k
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP1207BDR2G 功能描述:電流型 PWM 控制器 ANA QUASI RESNT SMPS 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 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
NCP1207-D 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
NCP1207DR2 功能描述:IC CTRLR PWM CM OVP OCP HV 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān) 系列:- 標準包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR
NCP1207DR2G 功能描述:IC CTRLR PWM CM OVP OCP HV 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān) 系列:- 標準包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR
NCP1207P 功能描述:IC CTRLR PWM CM OVP OCP HV 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開關(guān) 系列:- 標準包裝:1 系列:FPS™ 輸出隔離:隔離 頻率范圍:61kHz ~ 73kHz 輸入電壓:8 V ~ 26 V 輸出電壓:650V 功率（瓦特）:12W 工作溫度:-40°C ~ 115°C 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-MDIP 包裝:Digi-Reel® 其它名稱:FSL206MRBNFSDKR
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