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參數(shù)資料
| 型號： | LTC3453 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 8位微控制器 |
| 英文描述： | ECONOLINE: RSZ/P - 1kVDC |
| 中文描述： | ECONOLINE：RSZ / P - 1kVDC 2kVDC隔離UL94V - 0封裝材料所需的散熱片，無外置。組件所需的環(huán)形磁ContinuousShort電路保護(hù)（/ P的后綴） |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 123K |
| 代理商： | LTC3453 |
4
LTC3490
3490f
PIU
CELLS (Pin 1):
A logic input to set the low-battery and
undervoltage shutdown thresholds. A logic low (tied to
GND) will set the thresholds for 1 cell. A logic high (tied to
V
IN
) will set the thresholds for 2 cells.
V
IN
(Pin 2):
Supply Voltage.
SW (Pin 3):
Switch Input. Connect this pin to an external
inductor from V
IN
.
GND (Pin 4):
Circuit Ground.
LED (Pin 5):
Output Drive Current to LED.
CAP (Pin 6):
Filter Capacitor. A 4.7
μ
F low ESR capacitor
should be tied to this pin.
LOBAT (Pin 7):
Low active, open-drain logic output indi-
cating a low-battery condition.
CTRL/SHDN (Pin 8):
Analog Control Voltage and Shut-
down. When V
IN
0.2 < V
CTRL
< V
IN
0.9, the LED drive
current varies according to the formula:
I
V
V
mA
LED
CTRL
IN
=
500
–0 2
When V
CTRL
> V
IN
0.9, the LED drive current is clamped
at 350mA. When V
CTRL
< V
IN
0.2, then the part is in low
power shutdown.
Exposed Pad (Pin 9, DD Package):
Ground. This pin must
be soldered to the PCB to provide both electrical contact
to ground and good thermal contact to the PCB.
I
LED
vs V
LED
V
LED
(V)
2.8
340
I
L
342
346
348
350
360
354
3
3.2
3.4
3.6
3.8
3490 G04
344
356
358
352
4
V
IN
= 2.4V
TYPICAL PERFOR U
I
LED
(mA)
0
0
E
10
30
40
50
100
70
100
200
3490 G05
20
80
90
60
300
400
V
IN
= 2.4V
V
IN
= 1.2V
Efficiency vs I
LED
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3453EUF | 制造商:Linear Technology 功能描述:LED DRVR 4Segment 3.3V/5V 16-Pin QFN EP |
| LTC3453EUF#PBF | 功能描述:IC LED DRIVER PHOTO FLASH 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LTC3453EUF#TRPBF | 功能描述:IC LED DRIVER PHOTO FLASH 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LTC3454 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A Synchronous Buck-Boost High Current LED Driver |
| LTC3454EDD | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1A Synchronous Buck-Boost High Current LED Driver |
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