参数资料
型号: IRU3038CSTR
厂商: International Rectifier
文件页数: 2/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14-SOIC
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 440kHz
占空比: 95%
电源电压: 5 V ~ 12 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: 14-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
产品目录页面: 1384 (CN2011-ZH PDF)
IRU3038
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage ..................................................
Vc Supply Voltage .....................................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
14-PIN PLASTIC TSSOP (F)
25V
30V (not rated for inductive load)
-65°C To 150°C
0°C To 125°C
14-PIN PLASTIC SOIC (S)
Fb 1
V P 2
V REF 3
Vcc 4
NC 5
LDrv 6
Gnd 7
14 NC
13 SS
12 Comp
11 Rt
10 Vc
9 HDrv
8 PGnd
Fb 1
V P 2
V REF 3
Vcc 4
NC 5
LDrv 6
Gnd 7
14 NC
13 SS
12 Comp
11 Rt
10 Vc
9 HDrv
8 PGnd
u JA =100 8 C/W
u JA =88 8 C/W
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
V REF Voltage
Fb Voltage Line Regulation
V FB
L REG
5<Vcc<12
1.225
1.250
0.2
1.275
0.35
V
%
UVLO
UVLO Threshold - Vcc
UVLO Vcc Supply Ramping Up
4
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
0.4
0.6
0.8
V
UVLO Hysteresis - Fb
Supply Current
0.1
V
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
3.5
1
8
10
6
4.5
mA
mA
mA
mA
Soft-Start Section
Charge Current
SS IB
SS=0V
-10
-20
-30
m A
2
www.irf.com
Rev. 2.0
09/12/02
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