PWM/PFM DC-DC ■ LN2403 、、、 PWM/PFM CMOS 。 PWM/PFM , 、。 LN2403 MOSFET,、、 ,,。 ■ 92% 2A 40μA 100% ■ LED ■ SOT-23-5L LN2403 5 4 FB VIN CE GND LX 1 23 1SOT-232-5L 3 (Top View) ■ VIN CIN 10uF GND :ILED=0.1V/RS ■ LN2403 ①②③④ ① ② ③ ④ VIN LX LN2403 2.2uH CE FB GND RS VOUT COUT 10uF GND A F M R S VFB=0.1V PW.
http://www.nalinear.com
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VIN=5V ,CIN=4.7µF ,COUT=10µF ,L=2.2µH
VIN
FB
VFB
Ta=25℃
ISTB
VCE=0V、VIN=5V
IQ
VFB=110%
IACT
VFB=90%
ILIM
FB=90%,VIN=5V
FOSC
VOUT=100%
DMAX
_P RDSON_P ISW=100mA
_N RDSON_N ISW= 100mA
SW ILEAK_SW CE=0V,VIN=5V
CE
VCEH
VIN=5V
CE
VCEL
VIN=5V
TSHD
LN2403
(Ta=25 ℃)
2.5 95 0 - -
100
0.7
6
100 105 1
40 350 500
3 1.5
0.85 0.8 ±0.01 ±1
1.2
160
V mV uA uA uA A
MHz % Ω Ω uA V V ℃
Rev.1.0 —Sep. 9, 2011
4
http://www.nalinear.com
■
SOT-23-5L
LN2403
Rev.1.0 —Sep. 9, 2011
5
http://www.nalinear.com
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No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LN2401 |
natlinear |
PWM/PFM Automatic Controlled DC-DC Converters - Backlight Driver | |
2 | LN2402 |
natlinear |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
3 | LN2405 |
natlinear |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
4 | LN2406 |
natlinear |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
5 | LN2406 |
Natlinear |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
6 | LN2407 |
Natlinear |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
7 | LN2408 |
natlinear |
PWM/PFM Automatic Switching Controlled Synchronous DC-DC Converters | |
8 | LN240RPX |
Panasonic Semiconductor |
4.4 mm Series | |
9 | LN242RP |
Panasonic Semiconductor |
5.0 mm 2.0 mm Series | |
10 | LN242RPH |
Panasonic Semiconductor |
5.0 mm X 2.0 mm Series | |
11 | LN242RPX |
Panasonic Semiconductor |
5.0 mm X 2.0 mm Series | |
12 | LN2430 |
natlinear |
3A Synchronous Rectified Step Down Converter |