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參數(shù)資料
| 型號： | TB62732FU |
| 廠商： | Toshiba Corporation |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | The step up type DC-DC converter only for white LED driver lighting |
| 中文描述： | 唯一的白光LED驅(qū)動(dòng)器照明加強(qiáng)型DC - DC轉(zhuǎn)換 |
| 文件頁數(shù)： | 13/15頁 |
| 文件大?。?/td> | 177K |
| 代理商： | TB62732FU |
TOSHIBA
T B 6 2 7 3 2 F U
27, Feb 2002 (Ver.04)
Application evaluation circuit example 3
(The evaluation result example by the small coil. : Coil = 976AS-6R8)
6.8uH is the most suitable when serial 3-4LED are turned on by IF= 20m A.
4.7uH is recommended when serial 2LED is turned on steadily in the range of VIN>4.5V.
13
3
3.2
3.4
3.6
Vin (V)
3.8
4
4.2
15
20
25
L
65
70
75
80
85
E
4LED Efficiency
4LED IF
Vin - Efficiency/IF
3
3.2
3.4
3.6
Vin (V)
3.8
4
4.2
15
20
25
L
65
70
75
80
85
E
3LED Efficiency
3LED IF
Vin - Efficiency/IF
3
3.2
3.4
3.6
Vin (V)
3.8
4
4.2
15
20
25
L
65
70
75
80
85
E
2LED Efficiency
2LED IF
Vin - Efficiency/IF
L1
6.8uH
S-Di
VIN
3.2-4.2V
C1
2.2uF
C
0
ON
OFF
R_SENS
2.6
L1:
S-Di:
LED:
TOKO 976AS-6R8
TOSHIBA 1SS404 20V/1A
NICHIA NSCW215T
2-4LEDs
0.01uF
K
A
VCC
SHDN
GND
GND
Efficiency
(%)
79.7-84.4
76.7-82.1
73.1-79.7
Ave Efficiency(%)
82.3
79.5
74.0
2LED
3LED
4LED
IF (mA)
Vcc dependence
(%)
8.1
5.1
5.3
2LED
3LED
4LED
19.4-21.1
19.5-20.5
19.6-20.7
The efficiency of the VIN=3.0-4.3V range
The IF of the VIN=3.0-4.3V range
<Measurement>
Note : The value is our company actual measurement value.
The result has the possibility to be different by the measurement
environment.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TB62732FUG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Step-up DC/DC Converter for White LED Driver |
| TB62733FTG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Charge Pump type DC/DC Converter for White LED Driver |
| TB62734FMG | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:Step Up Type DC-DC Converter for White LED |
| TB62736FUG | 制造商:MARKTECH 制造商全稱:Marktech Corporate 功能描述:Step-up Type DC-DC Converter for White LEDs |
| TB62736FUG(O,EL) | 功能描述:LED照明驅(qū)動(dòng)器 White LED Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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