LED LN2554 ■ LN2554 , VFPWM , 8-100V LED 。 LN2554 160K, PWM ,, 。LN2554 MODE 。MODE ,MODE 1/3 。 ■ LED RGB LED ■ LN2554 ①②③ M ① N S ② R L A ③ B C ■ :8V~100V : 92% :100mA~3.5A 160KHz 6V ■ SOT23-6L eSOP8 SOT23-6L SOT23-6L() eSOP-8 13A MOSFET 5A MOSFET 3A MOSFET ■ SOP8 SOT23-6L SO.
DR
VDD Vio VDR IVIN TSTG
TJ
-0.3—7 -0.3—6 -0.3—VDD 1—20 -40—150 -40—150
4000
LN2554
V V V mA ℃ ℃ V
5.4
VIN=5V 0.3
GATE floating VIN rising VIN falling
100
VDS=VDD-0.2V 50
VDS=0.2V
50
6 -
0.5
4.0 3 80K 120 200 400
6.8 50 0.7
10
140
V uA
mA
V mV Ω KHz mV mV mA mA
■
ILED=0.2/RCS
VIN , 20uA 。 UVLO ,, VIN VIN 6V 。
MODE MODE , 。 MODE VDD , 1/3 ,MODE ,。
, , 。 : Lcri=Vo
*(Vi-Vo)/2Vi
*ILED
*fs
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Rev.1.0 —Dec. 15, 2014
3
http://www.natlinear.com
LED , 。, ,, 。
PCB
LN2554
PCB : VDD VDD VSS。 CS , ,。 , EMI 。
Rev.1.0 —Dec. 15.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LN2551 |
natlinear |
3-function average current type LED constant current driver | |
2 | LN2552 |
natlinear |
2-function average current type LED constant current driver | |
3 | LN2556 |
natlinear |
2-function average current type LED constant current driver | |
4 | LN2557 |
natlinear |
2-function average current type LED constant current driver | |
5 | LN2558 |
natlinear |
2-function brake light driver | |
6 | LN2559 |
natlinear |
Lifting and lowering type lamp driving | |
7 | LN250RPH |
Panasonic Semiconductor |
Square Type | |
8 | LN250RPX |
Panasonic Semiconductor |
Square Type | |
9 | LN2512 |
natlinear |
1.5MHz Micropower Synchronous Boost Converter | |
10 | LN251CAL |
Panasonic Semiconductor |
Ultra Bright GaAIAs Lamps | |
11 | LN251CALU |
Panasonic Semiconductor |
Ultra Bright GaAIAs Lamps | |
12 | LN251RPX |
Panasonic Semiconductor |
Square Type |