PWM DC/DC LN2267 ■ LN2267 、、 DC/DC 。 PWM ,,, 。 。 1V , 1-4 , 600mA 。14uA 90%。 。 ■ MP3 PDA DSC、LCD ■ 0.8V(Iout=1mA) 500KHz 90% 3.3V 300mA 5V 800mA 2V 6V, ±2.0% 14μA 0.01μA ■ SOT-23-6L ■ LN22 67P ①②③④ ① ② B A 1 2 ■ CE CE :±1% :±2% ③ M R ④ L SOT-23-6L : : .
Iswitch-off
ISW Ino-load
Vref
Fs
Dmax
LX
Ilimit
Δ Vline
Δ Vload
CE
Ts
Δ Tsd
■
IL=1mA VDD CE=0,VIN=4.5V VIN=6V VIN=CE=3.3V,VFB=GND VIN=1.5V,VOUT=3.3V Close Loop Vdd=3.3V Vdd=3.3V Vdd=3.3V Vdd=3.3V Vdd=3.3V Vin=3.5-6V,IL=1mA VIN=2.5V,IL=1-100mA VDD=3.3V
2 -- -
1.225 425 85 - 1.0 - - 0.4
-
-
LN2267
0.8 1.05 V
6
0.01
1
µA
14
25
μA
1500
-
mA
56
-
μA
1.25 1.275
V
500 575 KHZ
95
-
%
0.2
1.0
Ω
1.5
2.0
A
0.25
5
mV/V
0.5
- mV/mA
0.8
1.2
V
50
- Ppm/℃
10
-
℃
Rev.1.0 — Dec. 20, 2011
4
www.natlinear.com
■
1. ——
LN2267
2. ——.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LN2261 |
natlinear |
Super-Small Package PWM Control Step-up Switching Regulator | |
2 | LN2262 |
natlinear |
Super-Small Package PWM Control Step-up Switching Regulator | |
3 | LN2266 |
natlinear |
Super-Small Package PWM Control Step-up Switching Regulator | |
4 | LN220RPH |
Panasonic Semiconductor |
Square Type LED | |
5 | LN221RPH |
Panasonic Semiconductor |
Round Type LED | |
6 | LN221RPX |
Panasonic Semiconductor |
Round Type LED | |
7 | LN222 |
Heraeus Sensor Technology |
Platinum Resistance Temperature Detector | |
8 | LN222RPH |
Panasonic Semiconductor |
Round Type LED | |
9 | LN222RPX |
Panasonic Semiconductor |
2.0 mm Series | |
10 | LN2240 |
natlinear |
1.3MHz Micropower Synchronous Boost Converter | |
11 | LN224RP |
Panasonic Semiconductor |
5.0 mm X 1.0 mm Series | |
12 | LN224RPH |
Panasonic Semiconductor |
Square Type LED |