iru3046 International Rectifier Corp., iru3046 Datasheet - Page 2

• Manufacturer Part Number: iru3046
• Description: Dual Synchronous Pwm Controller With Current Sharing Circuitry And Ldo Controller
• Manufacturer: International Rectifier Corp.

IRU3046
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage .................................................. 25V
VccLDO, VcH1, VcH2 and 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
70°C. Typical values refer to T
peratures 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
UVLO Threshold - V
UVLO Hysteresis - V
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
VccLDO Static Supply Current
2
Comp1
Comp2
HDrv2
LDrv2
PGnd
VcH2
Sync
V
Vp2
Fb2
Vcc
REF
Rt
10
11
12
1
2
3
4
5
6
7
8
9
24-PIN PLASTIC TSSOP (F)
TOP VIEW
SEN33
SEN33
24
23
22
21
20
19
18
17
16
15
14
13
Gnd
PGood
V
Fb1
SS
Fb3
V
VccLDO
VcH1
HDrv1
LDrv1
V
SEN33
OUT3
CL
CL
A
=25°C. Low duty cycle pulse testing is used which keeps junction and case tem-
Supply Voltage ...........
UVLO
JA
UVLO
UVLO
UVLO
UVLO
Dyn I
Dyn I
UVLO
= 84 C/W
Dyn I
I
I
I
SYM
C
C
C
L
I
V
H1Q
H2Q
LDO
CCQ
REG
V
FB
V
V
V
C
C
CC
V
CC
SEN33
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
Supply Ramping Up
Freq=200KHz, C
Freq=200KHz, C
Freq=200KHz, C
SS=0V
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
=VccLDO=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
2.5
0.2
3.5
5
7
7
2
2
1
1.275
MAX UNITS
09/27/02
Rev. 1.9
A
mA
mA
mA
mA
mA
mA
mA
%
=0 to
V
V
V
V
V
V
V
V
V
V
V
V
V