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IRU3048CS Datasheet(PDF) 2 Page - International Rectifier

Part # IRU3048CS
Description  DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
PDF  18 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IRU3048CS Datasheet(HTML) 2 Page - International Rectifier

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2
Rev. 1.7
09/12/02
IRU3048
www.irf.com
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, VcH1=VcH2=12V, TA=0 to 70°C. Typical
values refer to TA=25°C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to
the ambient temperature.
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage ..................................................
25V
VcH1=VcH2 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
PACKAGE INFORMATION
16-PIN PLASTIC TSSOP (F)
16-PIN PLASTIC SOIC NB (S)
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Reference Voltage
Fb Voltage
Fb Voltage Line Regulation
UVLO
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - VcH1
UVLO Hysteresis - VcH1
UVLO Threshold - VcH2
UVLO Hysteresis - VcH2
UVLO Threshold - Fb
UVLO Hysteresis - Fb
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
Soft-Start Section
Charge Current
5<Vcc<12
Supply Ramping Up
Supply Ramping Up
Supply Ramping Up
Fb Ramping Down
Freq=200KHz, CL=1500pF
Freq=200KHz, CL=1500pF
Freq=200KHz, CL=1500pF
SS=0V
SS=0V
SS=0V
SS=0V
1.225
15
1.250
0.2
4.2
0.25
3.5
0.2
3.5
0.2
0.6
0.1
5
7
7
3.5
2
2
25
1.275
30
V
%
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
mA
uJA=858C/W
uJA=908C/W
Comp1
Comp2
VcH2
HDrv2
LDrv2
Fb2
PGnd
Vcc
LDrv1
HDrv1
VcH1
VOUT3
Fb3
SS
Fb1
Gnd
4
3
2
1
13
14
15
16
8
7
6
5
9
10
11
12
TOP VIEW
VFB
LREG
UVLOVCC
UVLOVCH1
UVLOVCH2
UVLOFB
Dyn ICC
Dyn ICH1
Dyn ICH2
ICCQ
ICH1Q
ICH2Q
SSIB
Comp1
Comp2
VcH2
HDrv2
LDrv2
Fb2
PGnd
Vcc
LDrv1
HDrv1
VcH1
VOUT3
Fb3
SS
Fb1
Gnd
4
3
2
1
13
14
15
16
8
7
6
5
9
10
11
12
TOP VIEW



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