参数资料
型号: IRU3048CFTR
厂商: International Rectifier
文件页数: 2/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 16TSSOP
标准包装: 1
PWM 型: 电压模式
输出数: 3
频率 - 最大: 220kHz
占空比: 90%
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: 16-TSSOP(0.173",4.40mm 宽)
包装: 剪切带 (CT)
产品目录页面: 1384 (CN2011-ZH PDF)
其它名称: *IRU3048CFTR
IRU3048CFCT
IRU3048
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage ..................................................
VcH1=VcH2 Supply Voltage ......................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
25V
30V (not rated for inductive load)
-65°C To 150°C
0°C To 125°C
16-PIN PLASTIC TSSOP (F)
TOP VIEW
16-PIN PLASTIC SOIC NB (S)
TOP VIEW
Gnd 1
Fb2 2
Comp1 3
Comp2 4
VcH2 5
HDrv2 6
LDrv2 7
PGnd 8
16 Fb1
15 SS
14 Fb3
13 V OUT3
12 VcH1
11 HDrv1
10 LDrv1
9 Vcc
Gnd 1
Fb2 2
Comp1 3
Comp2 4
VcH2 5
HDrv2 6
LDrv2 7
PGnd 8
16 Fb1
15 SS
14 Fb3
13 V OUT3
12 VcH1
11 HDrv1
10 LDrv1
9 Vcc
u JA =90 8 C/W
u JA =85 8 C/W
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, VcH1=VcH2=12V, 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
Fb Voltage Line Regulation
V FB
L REG
5<Vcc<12
1.225
1.250
0.2
1.275
V
%
UVLO
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - VcH1
UVLO Hysteresis - VcH1
UVLO Threshold - VcH2
UVLO Hysteresis - VcH2
UVLO V CC Supply Ramping Up
UVLO V C H1 Supply Ramping Up
UVLO V C H2 Supply Ramping Up
4.2
0.25
3.5
0.2
3.5
0.2
V
V
V
V
V
V
UVLO Threshold - Fb
UVLO Hysteresis - Fb
UVLO FB
Fb Ramping Down
0.6
0.1
V
V
Supply Current
Vcc Dynamic Supply Current
VcH1 Dynamic Supply Current
VcH2 Dynamic Supply Current
Vcc Static Supply Current
VcH1 Static Supply Current
VcH2 Static Supply Current
Dyn I CC
Dyn I C H1
Dyn I C H2
I CCQ
I C H1Q
I C H2Q
Freq=200KHz, C L =1500pF
Freq=200KHz, C L =1500pF
Freq=200KHz, C L =1500pF
SS=0V
SS=0V
SS=0V
5
7
7
3.5
2
2
mA
mA
mA
mA
mA
mA
Soft-Start Section
Charge Current
SS IB
SS=0V
15
25
30
m A
2
www.irf.com
Rev. 1.7
09/12/02
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