参数资料
型号: NCP1207BDR2G
厂商: ON Semiconductor
文件页数: 4/17页
文件大小: 0K
描述: IC CTRLR PWM CM OVP OCP HV 7SOIC
标准包装: 1
输出隔离: 隔离
频率范围: 200kHz
输入电压: 10.6 V ~ 20 V
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)7 引线
供应商设备封装: 7-SOIC
包装: 标准包装
其它名称: NCP1207BDR2GOSDKR
NCP1207A, NCP1207B
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
V CC Decreasing Level at which the Current Source Turns--on
V CC Decreasing Level at which the Latchoff Phase Ends
V CC Level at which Output Pulses are Disabled
Internal IC Consumption, No Output Load on Pin 5,
6
6
6
6
6
VCC OFF
VCC ON
VCC latch
UVLO
ICC1
10.8
9.1
--
--
--
12
10
5.3
VCC ON
--200mV
1.0
12.9
10.6
--
--
1.3
V
V
V
V
mA
F SW = 60 kHz
(Note 1)
Internal IC Consumption, 1.0 nF Output Load on Pin 5,
6
ICC2
--
1.6
2.0
mA
F SW = 60 kHz
(Note 1)
Internal IC Consumption in Latchoff Phase
6
ICC3
--
330
--
m A
INTERNAL STARTUP CURRENT SOURCE (T J > 0 ? C)
High--voltage Current Source, V CC = 10 V
High--voltage Current Source, V CC = 0
8
8
IC1
IC2
4.3
--
7.0
8.0
9.6
--
mA
mA
DRIVE OUTPUT
Output Voltage Rise--time @ CL = 1.0 nF, 10--90% of Output Signal
Output Voltage Fall--time @ CL = 1.0 nF, 10--90% of Output Signal
Source Resistance
Sink Resistance
5
5
5
5
T r
T f
R OH
R OL
--
--
12
5.0
40
20
20
10
--
--
36
19
ns
ns
Ω
Ω
CURRENT COMPARATOR (Pin 5 Unloaded)
Input Bias Current @ 1.0 V Input Level on Pin 3
Maximum Internal Current Setpoint
Propagation Delay from Current Detection to Gate OFF State
Leading Edge Blanking Duration
Internal Current Offset Injected on the CS Pin during OFF Time
3
3
3
3
3
I IB
I Limit
T DEL
T LEB
Iskip
--
0.92
--
--
--
0.02
1.0
100
380
200
--
1.12
160
--
--
m A
V
ns
ns
m A
OVERVOLTAGE SECTION (V CC = 11 V)
Sampling Delay after ON Time
OVP Internal Reference Level
NCP1207A
NCP1207B
1
1
T sample
V ref
--
6.4
4.5
1.5
7.2
--
8.0
m s
V
FEEDBACK SECTION (V CC = 11 V, Pin 5 Loaded by 1.0 k Ω )
Internal Pull--up Resistor
Pin 3 to Current Setpoint Division Ratio
Internal Soft--start
2
--
--
Rup
Iratio
Tss
--
--
--
20
3.3
1.0
--
--
--
k Ω
--
ms
DEMAGNETIZATION DETECTION BLOCK
Input Threshold Voltage (Vpin 1 Decreasing)
Hysteresis (Vpin 1 Decreasing)
1
1
V th
V H
35
--
50
20
90
--
mV
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
Internal Input Capacitance at Vpin 1 = 1.0 V
1
1
T dem
C par
--
--
210
10
--
--
ns
pF
Minimum T OFF (Internal Blanking Delay after T ON )
Timeout After Last Demag Transition
Pin 1 Internal Impedance
NCP1207A
NCP1207B
1
1
1
T blank
T out
R int
--
3.5
--
--
8.0
4.5
5.0
28
--
5.5
--
--
m s
m s
k Ω
1. Max value at T J = 0 ? C.
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