参数资料
型号: IRU3037CSTR
厂商: International Rectifier
文件页数: 2/21页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 8-SOIC
产品变化通告: (EP) Parts Discontinuation 25/May/2012
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 220kHz
占空比: 95%
电源电压: 4.2 V ~ 25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
IRU3037/IRU3037A & (PbF)
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage .................................................. 25V
Vc Supply Voltage ...................................................... 30V (not rated for inductive load)
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 125°C
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device.
PACKAGE INFORMATION
8-PIN PLASTIC TSSOP (F)
8-PIN PLASTIC SOIC (S)
Fb 1
Vcc 2
LDrv 3
Gnd 4
8 SS/SD
7 Comp
6 Vc
5 HDrv
Fb 1
Vcc 2
LDrv 3
Gnd 4
8 SS/SD
7 Comp
6 Vc
5 HDrv
θ JA =124 ° C/W
θ JA =160 ° C/W
(Also available LEAD-FREE)
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, Vc=12V and T A =0 to 70°C. Typical values refer
to T A =25°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
Reference Voltage
Fb Voltage
V FB
IRU3037
IRU3037A
1.225
0.784
1.250
0.800
1.275
0.816
V
Fb Voltage Line Regulation
L REG
5<Vcc<12
0.2
0.35
%
UVLO
UVLO Threshold - Vcc
UVLO Vcc
Supply Ramping Up
4.0
4.2
4.4
V
UVLO Hysteresis - Vcc
0.25
V
UVLO Threshold - Vc
UVLO Vc
Supply Ramping Up
3.1
3.3
3.5
V
UVLO Hysteresis - Vc
0.2
V
UVLO Threshold - Fb
UVLO Fb
Fb Ramping Down (IRU3037)
0.4
0.6
0.8
V
UVLO Hysteresis - Fb
(IRU3037A)
0.3
0.4
0.1
0.5
V
Supply Current
Vcc Dynamic Supply Current
Vc Dynamic Supply Current
Vcc Static Supply Current
Vc Static Supply Current
Dyn Icc
Dyn Ic
I CCQ
I CQ
Freq=200KHz, C L =1500pF
Freq=200KHz, C L =1500pF
SS=0V
SS=0V
2
2
1
0.5
5
7
3.3
1
8
10
6
4.5
mA
mA
mA
mA
Soft-Start Section
Charge Current
SS IB
SS=0V
-10
-20
-30
μ A
2
www.irf.com
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