参数资料
| 型号： | NCP1294EDR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC PWM CTLR FLYBACK 16SOIC |
| 标准包装： | 2,500 |
| 输出隔离： | 隔离 |
| 频率范围： | 260kHz ~ 320kHz |
| 输入电压： | 4.7 V ~ 15 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 带卷 (TR) |
NCP1294
ELECTRICAL CHARACTERISTICS ( ? 40 ° C < T A < 85 ° C; ? 40 ° C < T J < 125 ° C; 3.0 V < V C < 15 V; 4.7 V < V CC < 15 V;
R T = 12 k; C T = 390 pF; unless otherwis e specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Gate Driver
High Saturation Voltage
Low Saturation Voltage
High Voltage Clamp
Output Current
Output UVL Leakage
Rise Time
Fall Time
Max Gate Voltage During UVL/Sleep
V C ? GATE, V C = 10 V, I SOURCE = 200 mA
GATE ? PGND, I SINK = 200 mA
?
1.0 nF Load. Note 3
GATE = 0 V
1.0 nF Load, V C = 20 V, 1.0 V < GATE < 9.0 V
1.0 nF Load, V C = 20 V, 9.0 V < GATE < 1.0 V
I GATE = 500 m A
?
?
11
?
?
?
?
0.4
1.5
1.2
13.5
1.0
1.0
60
25
0.7
2.0
1.5
16
1.25
50
100
50
1.0
V
V
V
A
m A
ns
ns
V
Feed Forward (FF)
Discharge Voltage
Discharge Current
FF to GATE Delay
I FF = 2.0 mA
FF = 1.0 V
?
?
2.0
50
0.3
16
75
0.7
30
125
V
mA
ns
Overcurrent Protection
Overcurrent Threshold
I SENSE to GATE Delay
I SET = 0.5 V, Ramp I SENSE
?
0.475
50
0.5
90
0.525
125
V
ns
External Voltage Monitors
Overvoltage Threshold
Overvoltage Hysteresis Current
Undervoltage Threshold
Undervoltage Hysteresis
OV Increasing
OV = 2.15 V
UV Increasing
?
1.9
10
0.95
25
2.0
12.5
1.0
75
2.1
15
1.05
125
V
m A
V
mV
Soft ? Start (SS)
Charge Current
Discharge Current
Charge Voltage
Discharge Voltage
Soft ? Start Clamp Offset
Soft ? Start Fault Voltage
SS = 2.0 V
SS = 2.0 V
?
?
FF = 1.25 V
OV = 2.15 V or LV = 0.85 V
40
4.0
2.8
0.25
1.15
?
50
5.0
3.0
0.3
1.25
0.1
70
7.0
3.4
0.35
1.35
0.2
m A
m A
V
V
V
V
Blanking
Blanking Time
SS Blanking Disable Threshold
COMP Blanking Disable Threshold
V FB < 1.0
V FB < 1.0, SS > 3.0 V
?
50
2.8
2.8
150
3.0
3.0
250
3.3
3.3
ns
V
V
Thermal Shutdown
Thermal Shutdown
Thermal Hysteresis
Note 3
Note 3
125
5.0
150
10
180
15
° C
° C
3. Guaranteed by design, not 100% tested in production.
http://onsemi.com
5
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