参数资料
型号: IR21571STRPBF
厂商: International Rectifier
文件页数: 6/18页
文件大小: 0K
描述: IC BALLAST CONTROL INTEG 16-SOIC
标准包装: 2,500
类型: 镇流器控制器
频率: 45.5 ~ 50.5 kHz
电流 - 电源: 5.5mA
电流 - 输出: 500mA
电源电压: 11.4 V ~ 15.6 V
工作温度: -40°C ~ 125°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 带卷 (TR)
IR21571(S) & (PbF)
Functional Block Diagram
VDC 1
3.0V
14
VB
5.1V
S
R
Q
Q
LEVEL
SHIFT
PULSE
FILTER &
LATCH
16
HO
CPH 2
10V
5.1V
1.0uA
15
VS
RPH 3
RT 4
I R
T
4.0V
2.0V
4.0V
2.0V
S Q
R1
R2 Q
T
R
Q
Q
15.6V
13
11
12
VCC
LO
COM
RUN 5
CT
6
I C = I R
T T
Q
S
Q
Q
D
CLK
R
0.2V
10
CS
DT
7
Q
R
7.6V
OVER-
50uA
UNDER-
TEMP
OC 8
7.6V
VOLTAGE
DETECT
DETECT
2.0V
7.6V
9
SD
Lead Assignments & Definitions
Pin # Symbol
Description
1
VDC
DC Bus Sensing Input
VDC
CPH
RPH
RT
RUN
CT
DT
OC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
HO
VS
VB
VCC
COM
LO
CS
SD
2
3
4
5
6
7
8
9
10
11
12
13
14
CPH
RPH
RT
RUN
CT
DT
OC
SD
CS
LO
COM
VCC
VB
Preheat Timing Capacitor
Preheat Frequency Resistor & Ignition Capacitor
Oscillator Timing Resistor
Run Frequency Resistor
Oscillator Timing Capacitor
Deadtime Programming
Over-current (CS+) Threshold Programming
Shutdown Input
Current Sensing Input
Low-Side Gate Driver Output
IC Power & Signal Ground
Logic & Low-Side Gate Driver Supply
High-Side Gate Driver Floating Supply
6
15
16
VS
HO
High Voltage Floating Return
High-Side Gate Driver Output
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