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| 型號(hào)： | TEA1750T/N1,518 |
| 廠商： | NXP Semiconductors |
| 文件頁(yè)數(shù)： | 18/29頁(yè) |
| 文件大小： | 163K |
| 描述： | IC PFC CONTROLLER DCM16SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | GreenChip™ III |
| 模式： | 間歇導(dǎo)電（DCM） |
| 頻率 - 開(kāi)關(guān)： | 100kHz ~ 150kHz |
| 電流 - 啟動(dòng)： | 60µA |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SO |
| 包裝： | 帶卷 (TR) |
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TEA1750_2
?NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 15 December 2008
18 of 29
NXP Semiconductors
TEA1750
GreenChip III SMPS control IC
7.3.9 Overcurrent protection (FBSENSE pin)
The primary peak current in the transformer is measured accurately cycle-by-cycle using
the external sense resistor R
SENSE2
. The OCP circuit limits the voltage on pin FBSENSE
to an internal level (see also
Section
7.3.3). The OCP detection is suppressed during the
leading edge blanking period, t
leb
, to prevent false triggering caused by switch-on spikes.
7.3.10 Driver (pin FBDRIVER)
The driver circuit to the gate of the external power MOSFET has a current sourcing
capability of typically 500 mA and a current sink capability of typically 1.2 A. This permits
fast turn-on and turn-off of the power MOSFET for efcient operation.
8. Limiting values
Fig 13. OCP leading edge blanking
LEB (t
leb
)
OCP LEVEL
V
FBSENSE
t
014aaa022
Table 3.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
Voltages
V
CC
supply voltage
0.4
+38
V
V
LATCH
voltage on pin LATCH
current limited
0.4
+5
V
V
FBCTRL
voltage on pin FBCTRL
0.4
+5
V
V
PFCCOMP
voltage on pin PFCCOMP
0.4
+5
V
V
VINSENSE
voltage on pin VINSENSE
0.4
+5
V
V
VOSENSE
voltage on pin VOSENSE
0.4
+5
V
V
PFCAUX
voltage on pin PFCAUX
25
+25
V
V
FBSENSE
voltage on pin FBSENSE
current limited
0.4
+5
V
V
PFCSENSE
voltage on pin PFCSENSE
current limited
0.4
+5
V
V
HV
voltage on pin HV
0.4
+650
V
Currents
I
FBCTRL
current on pin FBCTRL
3
0
mA
I
FBAUX
current on pin FBAUX
1
+1
mA
I
PFCSENSE
current on pin PFCSENSE
1
+10
mA
I
FBSENSE
current on pin FBSENSE
1
+10
mA
I
FBDRIVER
current on pin FBDRIVER
duty cycle < 10 %
0.8
+2
A
I
PFCDRIVER
current on pin PFCDRIVER duty cycle < 10 %
0.8
+2
A
I
HV
current on pin HV
-
5
mA
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|---|---|
| TEA1750T-T | 功能描述:DC/DC 開(kāi)關(guān)控制器 GREENCHIPIII RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TEA1751AT/N1,518 | 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TEA1751AT/N1518 | 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| TEA1751LT | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:GreenChip III SMPS control IC |
| TEA1751LT/N1 | 制造商:NXP Semiconductors 功能描述:AC-DC PFC FLYBACK CNTRL 16SOIC 制造商:NXP Semiconductors 功能描述:AC-DC, PFC, FLYBACK, CNTRL, 16SOIC 制造商:NXP Semiconductors 功能描述:GreenChip III SMPS Control 16-Pin SO |
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