参数资料
型号: NCP1013ST65T3G
厂商: ON Semiconductor
文件页数: 3/24页
文件大小: 0K
描述: IC OFFLINE SWIT SMPS CM SOT223
标准包装: 1
输出隔离: 隔离
频率范围: 59kHz ~ 71kHz
输入电压: 8.1 V ~ 10 V
输出电压: 700V
功率(瓦特): 19W
工作温度: -40°C ~ 125°C
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223
包装: 剪切带 (CT)
其它名称: NCP1013ST65T3GOSCT
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
PIN FUNCTION DESCRIPTION
Pin No.
(SOT--223)
1
--
--
2
3
--
--
4
Pin No.
(PDIP--7,
PDIP--7/Gull Wing)
1
2
3
4
5
--
7
8
Pin Name
V CC
NC
GND
FB
Drain
--
GND
GND
Function
Powers the Internal Circuitry
--
The IC Ground
Feedback Signal Input
Drain Connection
--
The IC Ground
The IC Ground
Description
This pin is connected to an external capacitor of typic-
ally 10 m F. The natural ripple superimposed on the
V CC participates to the frequency jittering. For im-
proved standby performance, an auxiliary V CC can be
connected to Pin 1. The V CC also includes an active
shunt which serves as an opto fail--safe protection.
--
--
By connecting an optocoupler to this pin, the peak
current setpoint is adjusted accordingly to the output
power demand.
The internal drain MOSFET connection.
--
--
--
V CC 1
V CC
Startup Source
Drain
Iref = 7.4 mA
IV CC
--
+
8 GND
Vclamp*
Rsense
IV CC
I?
UVLO
Management
High when V CC < 3 V
R
S
Q
250 ns
L.E.B.
NC 2
4V
EMI Jittering
65, 100 or
130 kHz
Clock
Set
Reset
Flip--Flop
DCmax = 65%
Q
Driver
7
GND
Reset
GND 3
18 k
Error flag armed?
0.5 V
--
+
V CC
Overload?
Soft--Start
Startup Sequence
Overload
+
--
FB 4
*Vclamp = VCC OFF + 200 mV (8.7 V Typical)
Figure 2. Simplified Internal Circuit Architecture
http://onsemi.com
3
Drain
5 Drain
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