参数资料
型号: MC34065DW-H
厂商: MOTOROLA INC
元件分类: 稳压器
英文描述: HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS
中文描述: 0.4 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
封装: PLASTIC, SOP-16
文件页数: 11/16页
文件大小: 419K
代理商: MC34065DW-H
MC34065–H, L MC33065–H, L
11
MOTOROLA ANALOG IC DEVICE DATA
Figure 25. Bipolar Transistor Drive
Figure 26. Isolated MOSFET Drive
Figure 27. Dual Charge Pump Converter
The totem–pole outputs can furnish negative base current for enhanced
transistor turn–off, with the addition of capacitor C1.
IB
+
0
Base Charge
Removal
Vin
C1
RS
+
Q1
+
_
+
+
+
5.0Vref
S
R
Q
VCC
Vin
16
PWM
Latch 1
7
6
D1
NP
NS
C
R
Isolation
Boundary
Ipk
V(Pin 6)
1.4
3RS
NP
NS
The capacitor’s equivalent series resistance must limit the Drive Output current to 400 mA. An additional series resistor may be required
when using tantalum or other low ESR capacitors. The positive output can provide excellent line and load regulation by connecting the
R2/R1 resistor divider as shown.
Output Load Regulation
IO (mA)
0
1.0
5.0
10
50
+VO (V)
28.43
27.72
27.04
26.20
20.52
–VO (V)
–13.89
–12.90
–12.25
–11.44
–5.80
+
+
_
+
_
+
+
+
+
+
+
+
+
+
15
1
3
2
4
5
14
13
12
1.0nF
12k
2.5V
R
R
Bias
Osc.
5.0Vref
20k
1.0mA
1.0mA
R
2R
1.0V
EA2
8
9
S
R
R
Q
PWM
Latch 2
S
Q
R
PWM
Latch 1
R
16
VCC= 15V
+
47
27
10
7
47
6
10
11
47
R2
R1
+VO
2.0 VCC
–VO
–VCC
1N5819
1N5819
2R
250
μ
A
10
10
10
10
27
10
Connect to Pin 4 for
closed–loop regulation.
VO
2.5
R2
R1
1
EA1
1.0V
相关PDF资料
PDF描述
MC34065DW-L HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS
MC34065DW Ultra-Small 3-Pin Supply Voltage Supervisor 5-SC70 -40 to 85
MC34065P Enhanced Product Single Voltage Detector 5-SC70 -55 to 125
MC34065P-H Enhanced Product Single Voltage Detector 5-SC70 -40 to 125
MC34066DW HIGH PERFORMANCE RESONANT MODE CONTROLLERS
相关代理商/技术参数
参数描述
MC34065DW-L 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS
MC34065-H 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS
MC34065-H_06 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers
MC34065-L 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:High Performance Dual Channel Current Mode Controllers
MC34065P 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLER