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参数资料
| 型号： | IR21571STRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 3/18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)
Recommended Operating Conditions
For proper operation the device should be used within the recommended conditions.
C
Symbol
V BS
V S
V CC
I CC
V DC
C T
R DT
R OC
I RT
I RPH
I RUN
I SD
I CS
T J
VBSMIN
Definition
High side floating supply voltage
Steady state high side floating supply offset voltage
Supply voltage
Supply current
V DC lead voltage
C T lead capacitance
Deadtime resistance
Over-current (CS+) threshold programming resistance
R T lead current (Note 3)
RPH lead current (Note 3)
RUN lead current (Note 3)
Shutdown lead current
Current sense lead current
Junction temperature
Minimum required VBS voltage for proper HO functionality
Min.
V CC - 0.7
-3.0
V CCUV+
Note 2
0
220
1.0
—
-500
0
0
-1
-1
-40
—
Max.
V CLAMP
600
V CLAMP
10
VCC
—
—
50
-50
450
450
1
1
125
5
Units
V
mA
V
pF
k ?
uA
mA
o
V
Electrical Characteristics
V CC = V BS = V BIAS = 14V +/- 0.25V, R T = 40.0k ? , C T = 470 pF, RPH and RUN leads no connection, V CPH = 0.0V,
R DT = 6.1k ? , R OC = 20.0k ?, V CS = 0.5V, V SD = 0.0V, C L = 1000pF, T A = 25 o C unless otherwise specified.
Supply Characteristics
Symbol Definition
Min.
Typ.
Max.
Units
Test Conditions
V CCUV+
V CC supply undervoltage positive going
10.5
11.4
12.4
V CC rising from 0V
threshold
V
V UVHYS V CC supply undervoltage lockout hysteresis
1.5
1.8
2.2
I QCCUV
UVLO mode quiescent current
50
150
300
V CC < V CCUV-
I QCCFLT Fault-mode quiescent current
75
200
300
μ A
SD=5V, CS = 2V or
Tj > T SD
I QCC
Quiescent V CC supply current
2.9
3.8
4.3
R T no connection, C T
I CC50K
V CLAMP
V CC supply current, f= 50kHz
V CC zener clamp voltage
4.0
14.5
5.5
15.6
7.0
16.5
mA
V
connected to COM
R T =36k ? , R DT =
5.6k ? , C T =220pF
I CC = 10mA
Note 2:
Note 3:
Enough current should be supplied into the VCC lead to keep the internal 15.6V zener clamp diode on this lead
regulating its voltage.
Due to the fact that the RT input is a voltage-controlled current source, the total RT lead current is the sum of all
the parallel current sources connected to that lead. For optimum oscillator current mirror performance, this total
current should be kept between 50 μ A and 500 μ A. During the preheat mode, the total current flowing out of the RT
lead consists of the RPH lead current plus the current due to the RT resistor. During the run mode, the total RT lead
current consists of the RUN lead current plus the current due to the RT resistor.
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