參數(shù)資料
型號: MC33466H-30LT1
廠商: MOTOROLA INC
元件分類: 穩(wěn)壓器
英文描述: FIXED FREQUENCY PWM MICROPOWER DC-to-DC CONVERTER
中文描述: SWITCHING CONTROLLER, 120 kHz SWITCHING FREQ-MAX, PSSO3
封裝: PLASTIC, SOT-89, 3 PIN
文件頁數(shù): 9/12頁
文件大?。?/td> 170K
代理商: MC33466H-30LT1
MC33466
9
MOTOROLA ANALOG IC DEVICE DATA
Drive
VLx Limiter
Vref
Gnd
PWM
Controller
50 kHz
Oscillator
2
MC33466H–33JT1
1
Output
Soft–Start
Phase
Comp
Figure 20. Micropower Step–Down Application
100
100
μ
F
3
VO
3.3 V
300 mA
1.0 k
Vin
5.0 V
MBRD0520LT1
1
100
μ
F
MMBT2222ALT1
MC33464N–30ATR
Startup Circuit
In
Out
Gnd
10 k
3
2
47
μ
H
Lx
10 k
NOTE:
Using the MC33464N–30ATR reduces current drawn in the startup circuit to 1 mA during normal operation.
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