参数资料
型号: NCP1271ADAPGEVB
厂商: ON Semiconductor
文件页数: 6/21页
文件大小: 0K
描述: EVAL BOARD FOR NCP1271ADAPG
设计资源: NCP1271 Adapter EVB BOM
NCP1271ADAPGEVB Gerber Files
NCP1271EVB Schematic
标准包装: 1
主要目的: AC/DC,主面
输出及类型: 1,隔离
输出电压: 19V
电流 - 输出: 3A
输入电压: 85 ~ 265VAC
稳压器拓扑结构: 回扫
频率 - 开关: 65kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCP1271
其它名称: NCP1271ADAPGEVBOS
NCP1271
ELECTRICAL CHARACTERISTICS (continued) (For typical values T J = 25 ° C, for min/max values, T J = ? 40 ° C to +125 ° C,
V CC = 14 V, HV = open, skip = open, FB = 2 V, CS = Ground, DRV = 1 n F , unless otherwise noted.)
Characteristic
Pin
Symbol
Min
Typ
Max
Unit
STARTUP CURRENT SOURCE
High ? Voltage Current Source
Inhibit Voltage (I CC = 200 m A, HV = 50 V)
Inhibit Current (V CC = 0 V, HV = 50 V)
Startup (V CC = V CC(on) ? 0.2 V, HV = 50 V)
Leakage (V CC = 14 V, HV = 500 V)
Minimum Startup Voltage (V CC = V CC(on) – 0.2 V, I CC = 0.5 mA)
6
6
6
8
8
V inhibit
I inhibit
I HV
I HV ? leak
V HV(min)
190
80
3.0
10
?
600
200
4.1
25
20
800
350
6.0
50
28
mV
m A
mA
m A
V
SUPPLY SECTION
V CC Regulation
Startup Threshold, V CC Increasing
Minimum Operating Voltage After Turn ? On
V CC Operating Hysteresis
Undervoltage Lockout Threshold Voltage, V CC Decreasing
Logic Reset Level (V CC(latch) –V CC(reset) > 1.0 V) (Note 7)
V CC Supply Current
Operating (V CC = 14 V, 1.0 nF Load, V FB = 2.0 V, 65 kHz Version)
Operating (V CC = 14 V, 1.0 nF Load, V FB = 2.0 V, 100 kHz Version)
Output Stays Low (V CC = 14 V, V FB = 0 V)
Latchoff Phase (V CC = 7.0 V, V FB = 2.0 V)
6
6
V CC(on)
V CC(off)
V CC(on) ? V CC(off)
V CC(latch)
V CC(reset)
I CC1
I CC1
I CC2
I CC3
11.2
8.2
3.0
5.0
?
?
?
?
?
12.6
9.1
3.6
5.8
4.0
2.3
3.1
1.3
500
13.8
10
4.2
6.5
?
3.0
3.5
2.0
720
V
V
V
V
V
mA
mA
mA
m A
7. Guaranteed by design.
TYPICAL CHARACTERISTICS
110
85
100
90
80
70
60
100 kHz
65 kHz
84
83
82
81
80
79
78
77
76
50
? 50
? 25
0
25
50
75
100
125
75
? 50
? 25
0
25
50
75
100
125
TEMPERATURE ( ° C)
Figure 3. Oscillation Frequency vs.
Temperature
http://onsemi.com
6
TEMPERATURE ( ° C)
Figure 4. Maximum Duty Cycle vs.
Temperature
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