参数资料
型号: IRU3033CS
厂商: International Rectifier
文件页数: 2/12页
文件大小: 0K
描述: IC CTRL/REG PWM SWITCH 8-SOIC
标准包装: 95
应用: 控制器,Intel Pentium?,II,P55C
输入电压: 12V
输出数: 1
输出电压: 2 V ~ 3.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
其它名称: *IRU3033CS
IRU3033-CS
IRU3033-CS-ND
IRU3033(PbF)
ABSOLUTE MAXIMUM RATINGS
V 12 ,V 12(SW) Supply Voltages ....................................... 20V
Fb Pin Voltages ........................................................ -0.3V To 5V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature ................................ 0°C To 150°C
PACKAGE INFORMATION
8-PIN PLASTIC SOIC (S)
TOP VIEW
Drv1 1
V 12(SW) 2
V FB1 3
V HYST 4
8 V 12
7 Drv2
6 V FB2
5 Gnd
θ JA =160 C/W
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, the following specification applies over V 12 =V 12(SW) =12V and T A =0 to 70°C. Low duty
cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Linear Controller Section
V FB2
Fb Voltage Initial Accuracy
Fb Voltage Total Variation
Fb Voltage Line Regulation
T J =25 C, Drv2=V FB2 , C L =100 μ F
Drv2=V FB2 , C L =100 μ F
10<V 12 <14V, Drv2=V FB2 , C L =100 μ F
1.237
1.225
1.250
1.250
0.2
1.262
1.275
V
V
%
Fb Input Bias Current
Maximum Drive Current
V 12 Supply Current
I FB2
I DRV(max)
I 12
V FB2 =1.25V
V FB2 =1V, V FB1 =1.5V
V FB2 =1V, V FB1 =1.5V, I DRV2 =0
-1
50
5
+1
μ A
mA
mA
Switching Controller Section
Fb Voltage Initial Accuracy
Fb Voltage Total Variation
V FB1
T J =25 C
1.237
1.225
1.250
1.250
1.262
1.275
V
V
Fb Voltage Line Regulation
0.2
%
Fb Input Bias Current
Min On Time
I FB1
V FB1 =1.25V
V FB1 is sq wave with 300ns on
-1
800
+1
μ A
ns
time and 2 μ s off time
Min Off Time
V FB1 is sq wave with 300ns off
800
ns
time and 2 μ s on time
V HYST Pin Output-HI
V HYST Pin Output-LO
I SOURCE =500 μ A, V FB1 =1.5V
I SINK =500 μ A, V FB1 =1V
11
1
V
V
Supply Current
Maximum Duty Cycle
Minimum Duty Cycle
Gate Drive Rise/Fall Time
I 12(SW)
D MAX
D MIN
V GATE
V FB1 =1V, V FB2 =1.5V
V FB1 =1V
V FB1 =1.5V
Load=IRL3303
0
10
70
100
mA
%
%
ns
2
www.irf.com
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