- 您现在的位置：买卖IC网 > PDF目录371032 > MC34129P (MOTOROLA INC) HIGH PERFORMANCE CURRENT MODE CONTROLLERS PDF资料下载
参数资料
| 型号： | MC34129P |
| 厂商： | MOTOROLA INC |
| 元件分类： | 稳压器 |
| 英文描述： | HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
| 中文描述： | 1 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封装： | PLASTIC, DIP-14 |
| 文件页数： | 11/16页 |
| 文件大小： | 347K |
| 代理商： | MC34129P |
MC34129 MC33129
11
MOTOROLA ANALOG IC DEVICE DATA
Figure 20. External Duty Cycle Clamp
and Multi–Unit Synchronization
Figure 21. Bootstrap Startup
Figure 22. Discrete Step Reduction of Clamp Level
Figure 23. Adjustable Reduction of Clamp Level
–
The external 9.1 V zener is required when driving low threshold MOSFETs.
CSoft–Start
12
7
6
5
4
2.5V
OSC
R
S
Q
1.25V
13
14
9.1
V
8
9
10
11
1
2
3
Q2
Vin
–
–
+
–
–
+
–
+
Ipk(max) =
1.675 – (VF(D1) + VF(D2))
RS
275mV
R
S
Q
–
1.25V
8
9
10
11
1
2
3
Vin
Q1
RS
D1
D2
≈
120
μ
A
+
+
–
+
275mV
R
S
Q
–
1.25V
8
9
10
11
1
2
3
Vin
Q1
RS
R1
R2
+
+
–
+
If:
1.25 V
R1 + R2
≥
1.0 mA
Then: Ipk(max)
≈
1.25
R2
R1
+ 1
– 0.275
RS
f =
1.44
(RA + 2RB)C
Dmax =
RB
5.0V
RA
RB
–
8
6
5
2
C
5.0k
4
R
Q
S
MC1455
3
7
6
5
4
2.5V
OSC
To Additional
MC34129’s
+
5.0k
5.0k
1
–
+
–
+
RA + 2RB
相关PDF资料 |
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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 制造商全称:ShenZhen FreesCale Electronics. Co., Ltd 功能描述:N-Channel 20-V (D-S) MOSFET Fast switching speed |
| MC34151 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
| MC34151_04 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:High Speed Dual MOSFET Drivers |
| MC34151_13 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:High Speed Dual MOSFET Drivers |
发布紧急采购，3分钟左右您将得到回复。