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參數(shù)資料
| 型號： | TEA1733LT/N2 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 71 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT96-1, SOP-8 |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 215K |
| 代理商： | TEA1733LT/N2 |
TEA1733LT
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6 — 25 January 2011
14 of 21
NXP Semiconductors
TEA1733LT
GreenChip SMPS control IC
Pulse width modulator
fosc
oscillator frequency
62
66.5
71
kHz
fmod
modulation frequency
210
280
350
Hz
Δf
mod
modulation frequency
variation
± 3
± 4
± 5kHz
δ
max
maximum duty cycle
68.5
72
79
%
Ncy(sw)δmax[2]
number of switching cycles
with maximum duty cycle
--
8
Vstart(red)f
frequency reduction start
voltage
pin CTRL
1.5
1.8
2.1
V
Vδ(zero)
zero duty cycle voltage
pin CTRL
1.25
1.55
1.85
V
Overpower protection (pin OPTIMER)
Vprot(OPTIMER)
protection voltage on pin
OPTIMER
2.42.5
2.6V
Iprot(OPTIMER)
protection current on pin
OPTIMER
no overpower situation
100
150
200
μA
overpower situation
12.2
10.7
9.2
μA
Restart timer (pin OPTIMER)
Vrestart(OPTIMER)
restart voltage on pin
OPTIMER
low level
0.8
1.2
1.6
V
high level
4.1
4.5
4.9
V
Irestart(OPTIMER)
restart current on pin
OPTIMER
charging OPTIMER
capacitor
127
107
87
μA
discharging OPTIMER
capacitor
0.1
0
0.1
μA
Current sense (pin ISENSE)
Vsense(max)
maximum sense voltage
ΔV/Δt= 50 mV/μs;
VVINSENSE =0.78V
0.48
0.51
0.54
V
ΔV/Δt = 200 mV/μs;
VVINSENSE =0.78V
0.50
0.53
0.56
V
Vth(sense)opp
overpower protection sense
threshold voltage
370
400
430
mV
ΔV
ISENSE/Δt
slope compensation voltage
on pin ISENSE
ΔV/Δt= 50 mV/μs17
25
33
mV/
μs
tleb
leading edge blanking time
250
300
350
ns
Overpower compensation (pin VINSENSE and pin ISENSE)
Iopc(ISENSE)
overpower compensation
current on pin ISENSE
VVINSENSE =1V;
Vsense(max) > 400 mV
-0.28
-
μA
VVINSENSE=3 V;
Vsense(max) > 400 mV
-1.7
-
μA
Table 5.
Characteristics …continued
Tamb =25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
the IC; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA1733MT | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:GreenChip SMPS control IC Adjustable overpower time-out |
| TEA1733MT/N2,118 | 功能描述:DC/DC 開關(guān)控制器 GREENCHIP SMPS CONTROL IC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| TEA1733P/N1,112 | 功能描述:DC/DC 開關(guān)控制器 GREENCHIP SMPS CONTROL IC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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 |
| TEA1733T | 制造商:PHILIPS 制造商全稱: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 |
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