參數(shù)資料
型號： LT3486
廠商： Linear Technology Corporation
英文描述： Dual 1.3A White LED Step-Up Converters with Wide Dimming
中文描述： 雙1.3a標(biāo)準(zhǔn)白光LED升壓轉(zhuǎn)換器具有較寬的亮度調(diào)節(jié)，
文件頁數(shù)： 3/20頁
文件大?。?/td> 839K
代理商： LT3486
LT3486
3
3486f
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 3V, V
CTRL1
= 3V, V
CTRL2
= 3V, V
PWM1
= 3V, V
PWM2
= 3V,
V
SHDN
= 3V, unless otherwise noted.
The
●
denotes the specifications which apply over the full operating
Note 1:
Absolute maximum ratings are those beyond which the life of a
device may be impaired.
Note 2:
The LT3486E is guaranteed to meet specified performance from
0°C to 70°C and is designed, characterized and expected to meet these
extended temperature limits, but is not tested at –40°C and 85°C.
PARAMETER
Maximum Duty Cycle
Switch Current Limit (SW1, SW2)
Switch V
CESAT
Switch Leakage Current
Error Amplifier Transconductance
Error Amplifier Voltage Gain
V
C1
, V
C2
Switching Threshold
V
C1
, V
C2
Clamp Voltage
V
C1
, V
C2
Source Current
V
C1
, V
C2
Sink Current
V
C1
, V
C2
Pin Leakage Current
OVP1, OVP2 Overvoltage Threshold Voltage
CTRL1, CTRL2 Voltages to Turn Off LED1, 2 Currents
CTRL1, CTRL2 Voltages to Turn On LED1, 2 Currents
CTRL1, CTRL2 Voltages for Full LED1, 2 Currents
CTRL1, CTRL2 Pin Bias Current
PWM1, PWM2 Voltage High
PWM1, PWM2 Voltage Low
PWM1, PWM2 Pin Bias Current
SHDN Voltage High
SHDN Voltage Low
SHDN Pin Bias Current
REF Voltage
REF Source Current
CONDITIONS
R
T
= 53.6k
R
T
= 20.5k
R
T
= 309k
I
SW1
= I
SW2
= 0.75A
V
SW1
= V
SW2
= 10V
I = ±5μA
V
FB1
= V
FB2
= 0V
V
FB1
= V
FB2
= 1V
V
C1
= V
C2
= 1V, V
PWM1
= V
PWM2
= 0V
V
CTRL1
= V
CTRL2
= 3V
V
PWM1
= V
PWM2
= 3V
V
SHDN
= 3V
I
REF
= 10μA
MIN
90
1
34
150
1.8
20
0.9
1.6
1.2
50
TYP
96
90
98
1.3
300
0.1
220
120
0.85
1.5
25
25
1
36
30
0.1
20
1.25
80
MAX
5
UNITS
●
●
●
●
●
●
%
%
%
A
mV
μA
μA/V
V
V
μA
μA
nA
V
mV
mV
10
38
75
40
0.4
1
0.4
1.3
V
μA
V
V
μA
V
V
μA
V
μA
Note 3:
Current flows out of the pin.
Note 4:
Guaranteed by design and test correlation, not production tested.
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參數(shù)描述
LT3486_08 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 1.3A White LED Step-Up Converters with Wide Dimming
LT3486EDHC 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual 1.3A White LED Step-Up Converters with Wide Dimming
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LT3486EDHC#TRPBF 功能描述:IC LED DRIVR WHITE BCKLGT 16-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)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(dòng)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
LT3486EFE 制造商:Linear Technology 功能描述:LED DRVR 16Segment 3.3V/5V/9V/12V/15V/18V 16-Pin TSSOP EP
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