IRU3073CQ IRF [International Rectifier], IRU3073CQ Datasheet - Page 2

• Manufacturer Part Number: IRU3073CQ
• Description: SYNCHRONOUS PWM CONTROLLER WITH OVER-CURRENT PROTECTION / LDO CONTROLLER
• Manufacturer: IRF [International Rectifier]

IRU3073
ABSOLUTE MAXIMUM RATINGS
Vcc Supply Voltage ................................................... -0.5 - 25V
VcL, VcH Supply Voltage .......................................... -0.5 - 25V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range .....................
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device.
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc=5V, VcL=VcH=12V and T
cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.
PARAMETER
Feedback Voltage
Fb Voltage
Fb Voltage Line Regulation
Reference Voltage
Ref Voltage Initial Accuracy
Drive Current
UVLO
UVLO Threshold - Vcc
UVLO Hysteresis - Vcc
UVLO Threshold - VcH
UVLO Hysteresis - VcH
UVLO Threshold - Fb1
UVLO Hysteresis - Fb1
Supply Current
Vcc Dynamic Supply Current
Vc Dynamic Supply Current
Vcc Static Supply Current
Vc Static Supply Current
Soft-Start Section
Charge Current
2
SS/SD
Comp
16-PIN PLASTIC QSOP NB (Q)
Drv2
V
Fb2
Fb1
V
REF
Rt
P1
1
2
3
4
5
6
7
8
u
JA
=1128C/W
16
15
14
13
12
11
10
9
UVLO V
UVLO Fb1
UVLO V
VcH
PGnd
Dyn I
OCSet
HDrv
Gnd
LDrv
VcL
Vcc
Dyn I
SYM
SS I
V
L
I
V
I
CCQ
I
REF
REG
CQ
REF
FB
CC
B
C
C
CC
H
5<Vcc<12
Note 1
Supply Ramping Up
Supply Ramping Up
Fb Ramping Down
Freq=200KHz, C
Freq=200KHz, C
SS=0V
SS=0V
SS=0V
TEST CONDITION
www.irf.com
0°C To 125°C
L
L
=1500pF
=1500pF
MIN
0.784
0.784
3.9
3.3
0.3
10
A
TYP
=0°C to 70°C. Low duty
0.25
0.8
0.2
0.8
4.4
3.5
0.2
0.4
0.1
3.5
25
2
5
5
3
0.816
0.625
0.816
MAX
4.8
3.7
0.5
10
15
10
30
5
UNITS
09/17/03
Rev. 1.0
mA
mA
mA
mA
mA
mA
%
V
V
V
V
V
V
V
V