iru3047 International Rectifier Corp., iru3047 Datasheet - Page 2

• Manufacturer Part Number: iru3047
• Description: Dual Synchronous Controller With Current Sharing Circuitry Controller
• Manufacturer: International Rectifier Corp.

IRU3047
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage .................................................. 25V
V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, VcH1=VcH2=V
Typical values refer to T
equal to the ambient temperature.
PARAMETER
Reference Voltage Section
Fb Voltage
Fb Voltage Line Regulation
UVLO Section
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - VccLDO
UVLO Hysteresis - VccLDO
UVLO Threshold - VcH1
UVLO Hysteresis - VcH1
UVLO Threshold - VcH2
UVLO Hysteresis - VcH2
UVLO Threshold - Fb
UVLO Hysteresis - Fb
Supply Current Section
Vcc Dynamic Supply Current
VcH1 Dynamic Supply Current
VcH2 Dynamic Supply Current
Vcc Static Supply Current
VcH1 Static Supply Current
VcH2 Static Supply Current
2
C
H1, V
20-PIN PLASTIC SOIC WB (W)
C o m p 1
C o m p 2
HDrv2
LDrv2
PGnd
VcH2
V
C
Vp2
Fb2
V c c
REF
H2 and V
10
1
2
3
4
5
6
7
8
9
u
JA
TOP VIEW
=758C/W
CL
Supply Voltage ...........................
A
=25°C. Low duty cycle pulse testing is used which keeps junction and case temperatures
20
19
18
17
16
15
14
13
12
11
Gnd
P G o o d
Fb1
SS
Fb3
V
VcH1
HDrv1
LDrv1
V
OUT3
CL
UVLO
UVLO
UVLO
UVLO
Dyn I
Dyn I
UVLO
Dyn I
I
I
C
C
SYM
L
I
V
H1Q
H2Q
CCQ
REG
V
FB
V
V
C
C
CC
V
CC
H1
H2
C
C
Fb
CC
LDO
H1
H2
5<Vcc<12
Supply Ramping Up
Supply Ramping Up
Supply Ramping Up
Supply Ramping Up
Fb Ramping Down
Freq=200KHz, C
Freq=200KHz, C
Freq=200KHz, C
SS=0V
SS=0V
SS=0V
www.irf.com
TEST CONDITION
0°C To 125°C
30V (not rated for inductive load)
L
L
L
=1500pF
=1500pF
=1500pF
1.225
MIN
CL
=12V and T
1.250
0.25
0.25
TYP
0.2
4.2
4.2
3.5
0.2
3.5
0.2
0.6
0.1
3.5
5
7
7
2
2
1.275
MAX UNITS
A
=0 to 70°C.
09/09/02
Rev. 1.0
mA
mA
mA
mA
mA
mA
%
V
V
V
V
V
V
V
V
V
V
V