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| 型号： | TEA1733P/N1,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 8/21页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR SMPS GREEN OVP 8-DIP |
| 标准包装： | 50 |
| 系列： | GreenChip™ |
| 输出隔离： | 隔离 |
| 频率范围： | 62kHz ~ 71kHz |
| 输入电压： | 12 V ~ 30 V |
| 输出电压： | 9 V ~ 12 V |
| 功率（瓦特）： | 500mW |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
| 相关产品： | 732-2243-ND - TRANS FLYBACK NXP TEA1733 4.0MH 732-2242-ND - TRANS FLYBACK NXP TEA1733 2.2MH |
NXP Semiconductors
TEA1733P
GreenChip SMPS control IC
7.9 Current mode control (ISENSE pin)
Current mode control is used for its good line regulation.
The primary current is sensed by the ISENSE pin across an external resistor R9 (see
is proportional to the CTRL pin voltage (see Figure 6 ).
0.6
V sense(max)
(V)
0.4
frequency
014aaa931
0.2
0
reduction
0
1
2
3
4
V CTRL (V)
Fig 6.
Peak current control using pin ISENSE
Leading edge blanking prevents false triggering due to capacitive discharge when
switching on the external power switch (see Figure 7 ).
t leb
V sense(max)
V ISENSE
t
014aaa932
Fig 7.
Leading edge blanking using pin ISENSE
7.10 Overpower or high/low line compensation
(VINSENSE and ISENSE pins)
The overpower compensation function can be used to realize a maximum output power
which is nearly constant over the full input mains.
The overpower compensation circuit measures the input voltage on the VINSENSE pin
and outputs a proportionally dependent current on the ISENSE pin. The DC voltage
across the soft start resistor limits the maximum peak current on the current sense
resistor.
At low output power levels the overpower compensation circuit is switched off
(See Figure 8 ).
TEA1733P
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 15 July 2013
? NXP B.V. 2013. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TEA1733T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:GreenChip SMPS control IC |
| TEA1733T/DB/65W,598 | 制造商:NXP Semiconductors 功能描述:- Boxed Product (Development Kits) 制造商:NXP Semiconductors 功能描述:TEA1733 65W reference design 制造商:NXP Semiconductors 功能描述:TEA1733T/DB/65W,598 |
| TEA1733T/DB/65WPRINT,598 | 制造商:NXP Semiconductors 功能描述:- Boxed Product (Development Kits) 制造商:NXP Semiconductors 功能描述:65W printer Ref des |
| TEA1733T/N1 | 制造商:NXP Semiconductors 功能描述:IC AC-DC FLYBACK CNTRL SO8 制造商:NXP Semiconductors 功能描述:IC, AC-DC, FLYBACK, CNTRL, SO8 制造商:NXP Semiconductors 功能描述:IC, AC-DC, FLYBACK, CNTRL, SO8; Input Voltage:20V; Output Current:500A; Supply Voltage Min:18.6V; Supply Voltage Max:22.6V; Voltage Regulator Case Style:SOIC; No. of Pins:8; No. of Outputs:1; Operating Temperature Min:-40C; ;RoHS Compliant: Yes |
| TEA1733T/N1,118 | 功能描述:DC/DC 开关控制器 SW Mode Power Supply Controller 8-Pin RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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