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| 型号： | NCP1230D133R2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/21页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR PWM SMPS OVP OCP 8SOIC |
| 产品变化通告： | Product Obsolescence 11/Feb/2009 |
| 标准包装： | 2,500 |
| 输出隔离： | 隔离 |
| 频率范围： | 133kHz |
| 输入电压： | 8.4 V ~ 18 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
NCP1230
ELECTRICAL CHARACTERISTICS (For typical values T J = 25 ° C, for min/max values T J = ? 40 ° C to +125 ° C, Max T J = 150 ° C,
V CC = 13 V, V PIN8 = 30 V unless otherwise noted.)
Characteristic
Symbol
Pin
Min
Typ
Max
Unit
Supply Section (All frequency versions, otherwise noted)
Turn ? On Threshold Level, V CC Going Up (V fb = 2.0 V)
Minimum Operating Voltage after Turn ? On
V CC Decreasing Level at which the Latch ? Off Phase Ends (V fb = 3.5 V)
V CC Level at which the Internal Logic gets Reset
Internal IC Consumption, No Output Load on Pin 6 (V fb = 2.5 V)
Internal IC Consumption, 1.0 nF Output Load on Pin 6, F SW = 65 kHz
(V fb = 2.5 V)
Internal IC Consumption, 1.0 nF Output Load on Pin 6, F SW = 100 kHz
Internal IC Consumption, 1.0 nF Output Load on Pin 6, F SW = 133 kHz
Internal IC Consumption, Latch ? Off Phase
V CCOFF
V CC(min)
V CClatch
V CCreset
I CC1
I CC2
I CC2
I CC2
I CC3
6
6
6
6
6
6
6
6
6
11.6
7.0
5.0
?
0.6
1.3
1.3
1.3
400
12.6
7.7
5.6
4.0
1.1
1.8
2.2
2.8
680
13.6
8.4
6.2
?
1.8
2.5
3.0
3.3
1000
V
V
V
V
mA
mA
mA
mA
m A
Internal Startup Current Source
High ? Voltage Current Source, 1.0 nF Load
(V CCOFF ? 0.2 V, V fb = 2.5 V, V PIN8 = 30 V)
High ? Voltage Current Source (V CC = 0 V)
Minimum Startup Voltage (I c = 0.5 mA, V CCOFF ? 0.2 V, V fb = 2.5 V)
Startup Leakage (V PIN8 = 500 V)
I C1
I C2
V HVmin
I HVLeak
8
8
8
8
1.8
1.8
?
10
3.2
4.4
20
30
4.2
5.6
23
80
mA
mA
V
m A
Drive Output
Output Voltage Rise ? Time @ C L = 1.0 nF, 10 ? 90% of Output Signal
Output Voltage Fall ? Time @ C L = 1.0 nF, 10 ? 90% of Output Signal
Source Resistance, R Load 300 W (V fb = 2.5 V)
Sink Resistance, at 1.0 V on Pin 5 (V fb = 3.5 V)
Pin 1 Output Impedance (or R dson between Pin 1 and Pin 6 when SW1
is closed) R load on Pin 1 = 680 W
T r
T f
R OH
R OL
RPFC
5
5
5
5
1
?
?
6.0
3.0
6.0
40
15
12.3
7.5
11.7
?
?
25
18
23
ns
ns
W
W
W
Current Comparator and Thermal Shutdown
Input Bias Current @ 1.0 V Input Level on Pin 3
I IB
3
?
0.02
?
m A
Maximum Internal Current Setpoint
Tj = 25 ° C
Tj = ? 40 ° C to +125 ° C
I Limit
3
1.010
0.979
1.063
?
1.116
1.127
V
Default Internal Setpoint for Skip Cycle Operation and Standby
Detection
Default Internal Setpoint to Leave Standby
Propagation Delay from CS Detected to Gate Turned Off (V Gate = 10 V)
(Pin 5 Loaded by 1.0 nF)
Leading Edge Blanking Duration
Soft ? Start Period (Note 3)
Temperature Shutdown, Maximum Value (Note 3)
Hysteresis while in Temperature Shutdown (Note 3)
V skip
V stby ? out
T DEL CS
T LEB
SS
T SD
T SD hyste
3
?
3
3
?
?
?
600
1.0
?
100
?
150
?
750
1.25
90
200
2.5
165
25
900
1.5
180
350
?
?
?
mV
V
ns
ns
ms
° C
° C
3. Verified by Design.
http://onsemi.com
5
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