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NCP1076 / NCP1077 产品集成了固定频率电流模式控制器和 700 V MOSFET。NCP1076/7 采用 PDIP-7 或 SOT-223 封装,提供了高水平的集成,包括软启动、频率抖动、短路保护、跳过周期、最大峰值电流设定点、斜坡补偿以及动态自供电(无需辅助绕组)。与其他单片方案不同,NCP1076/7 具有无噪音特性:在正常负载运行期间,在某个可用频率进行开关的时候(65,100,130 kHz)。当输出功率需求消失时,该集成电路将自动进入频率折回模式,在轻负载下提供卓越能效。当功率需求进一步降低时,它进入跳过模式,将待机功耗降低到无负载条件。保护功能包括:检测过载或短路事件的计时器、带自动恢复的过电压保护,以及交流输入线路电压检测。 为了提高待机性能,连接辅助绕组会停止 DSS 运行,有助于将高电平线路的输入功耗降至 50 mW 以下。
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可订购器件:
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产品
状态
CAD Models
Compliance
Package Type
Case Outline
MSL Type
MSL Temp (°C)
Container Type
Container Qty.
ON Target
Control Mode
fsw Typ (kHz)
fJitter Typ (%)
Stand-by Mode
RDS(ON) Typ (Ω)
V(BR)DSS Max (V)
IPeak (mA)
HV Start-up Min (V)
DSS (mA)
UVLO
Short Circuit Protection
Over Power Compensation
Brown-out
Latch
Reference Price
NCP1077P065G
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
65
Yes
Yes
4.7
700
800
Yes
8
6.3
Yes
No
No
No
Price N/A
More Details
NCP1077P100G
Lifetime
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
100
Yes
Yes
4.7
700
800
Yes
8
6.3
Yes
No
No
No
$0.8026
More Details
NCP1077P130G
Obsolete
Pb
A
H
P
PDIP-7
NA
0
TUBE
50
N
Current Mode
130
Yes
Yes
4.7
700
800
Yes
8
6.3
Yes
No
No
No
Price N/A
More Details
NCP1077STAT3G
Active
Pb
A
H
P
SOT-223-4 / TO-261-4D
1
260
REEL
4000
Y
Current Mode
65
Yes
Yes
4.7
700
800
Yes
8
6.3
Yes
No
No
No
$0.6711
More Details
NCP1077STBT3G
Active
Pb
A
H
P
SOT-223-4 / TO-261-4D
1
260
REEL
4000
Y
Current Mode
100
Yes
Yes
4.7
700
800
Yes
8
6.3
Yes
No
No
No
$0.6711
More Details
NCP1077STCT3G
Active
Pb
A
H
P
SOT-223-4 / TO-261-4D
1
260
REEL
4000
Y
Current Mode
130
Yes
Yes
4.7
700
800
Yes
8
6.3
Yes
No
No
No
$0.6711
More Details
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