- 您現在的位置：買賣IC網 > PDF目錄371032 > MC34129P (MOTOROLA INC) HIGH PERFORMANCE CURRENT MODE CONTROLLERS PDF資料下載
參數資料
| 型號： | MC34129P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 穩壓器 |
| 英文描述： | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| 中文描述： | 1 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數： | 12/16頁 |
| 文件大小： | 347K |
| 代理商： | MC34129P |
MC34129 MC33129
12
MOTOROLA ANALOG IC DEVICE DATA
Figure 24. Current Sensing Power MOSFET
Figure 25. Current Waveform Spike Suppression
Figure 26. MOSFET Parasitic Oscillations
Figure 27. Bipolar Transistor Drive
VRS
≈
RS
Ipk
rDS(on)
rDM(on) + rS
If: SENSEFET = MTP10N10M
RS = 200
Then: VRS
≈
0.075 Ipk
1.25V
–
8
9
10
11
1
2
3
Vin
D
SENSEFET
G
M
K
S
Power Ground:
To Input Source
Return
1RS
Control Circuitry Ground:
To Pin 7
Virtually lossless current sensing can be achieved with the implementation of a
SENSEFET power switch.
+
The addition of the RC filter will eliminate instability caused by the
leading edge spike on the current waveform.
1
2
3
Vin
Q1
R
C
RS
1
2
3
Vin
Q1
RS
Rg
Series gate resistor Rg will damp any high frequency parasitic
oscillations caused by the MOSFET input capacitance and any
series wiring inductance in the gate–source circuit.
The totem–pole output can furnish negative base current for enhanced
transistor turn–off, with the addition of capacitor C1.
1
2
3
Vin
Q1
RS
C1
IB
+
0
–
Base Charge
Removal
t
相關PDF資料 |
PDF描述 |
|---|---|
| MC34164P-3 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
| MC34164DM-5 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
| MC33164DM-5 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
| MC34164 | Single Output LDO, 250mA, Adj.(2.5 to 5.5V), Low Noise, Fast Transient Response 5-SOT-23 |
| MC34164P-3 | MICROPOWER UNDERVOLTAGE SENSING CIRCUITS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC3412L | 制造商: 功能描述: 制造商:Motorola Inc 功能描述: 制造商:undefined 功能描述: |
| MC3414 | 制造商:SHENZHENFREESCALE 制造商全稱:ShenZhen FreesCale Electronics. Co., Ltd 功能描述:N-Channel 20-V (D-S) MOSFET Fast switching speed |
| MC34151 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
| MC34151_04 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Speed Dual MOSFET Drivers |
| MC34151_13 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:High Speed Dual MOSFET Drivers |
發布緊急采購，3分鐘左右您將得到回復。