iru3033 International Rectifier Corp., iru3033 Datasheet - Page 2

• Manufacturer Part Number: iru3033
• Description: 8-pin Pwm Switcher And Linear Controller Ic
• Manufacturer: International Rectifier Corp.

IRU3033
ABSOLUTE MAXIMUM RATINGS
V
Fb Pin Voltages ........................................................ -0.3V To 5V
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature ................................
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, the following specification applies over V
cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.
PARAMETER
Linear Controller Section
Fb Voltage Initial Accuracy
Fb Voltage Total Variation
Fb Voltage Line Regulation
Fb Input Bias Current
Maximum Drive Current
V
Switching Controller Section
Fb Voltage Initial Accuracy
Fb Voltage Total Variation
Fb Voltage Line Regulation
Fb Input Bias Current
Min On Time
Min Off Time
V
V
Supply Current
Maximum Duty Cycle
Minimum Duty Cycle
Gate Drive Rise/Fall Time
2
12
12
HYST
HYST
,V
Supply Current
12(SW)
Pin Output-HI
Pin Output-LO
V
V
12(SW)
8-PIN PLASTIC SOIC (S)
Drv1
V
HYST
Supply Voltages ....................................... 20V
FB1
u
1
2
3
4
JA
TOP VIEW
=1608C/W
8
7
6
5
V
Drv2
V
Gnd
12
FB2
I
DRV(max)
SYM
I
V
D
D
V
V
12(SW)
I
I
FB2
I
FB1
GATE
MAX
MIN
FB2
12
FB1
T
Drv2=V
10<V
V
V
V
T
V
V
time and 2ms off time
V
time and 2ms on time
I
I
V
V
V
Load=IRL3303
SOURCE
SINK
J
J
FB2
FB2
FB2
FB1
FB1
FB1
FB1
FB1
FB1
=258C, Drv2=V
=258C
=500mA, V
=1.25V
=1V, V
=1V, V
=1.25V
=1V, V
=1V
=1.5V
is sq wave with 300ns on
is sq wave with 300ns off
12
=500mA, V
<14V, Drv2=V
FB2
TEST CONDITION
www.irf.com
, C
FB1
FB1
FB2
L
=100mF
=1.5V
=1.5V, I
=1.5V
0°C To 150°C
FB1
FB2
=1V
FB1
, C
=1.5V
FB2
DRV2
L
=100mF
, C
=0
L
=100mF
12
=V
12(SW)
=12V and T
1.237
1.225
1.237
1.225
MIN
11
-1
-1
0
1.250
1.250
1.250
1.250
TYP
A
800
800
0.2
0.2
50
10
70
=0 to 70°C. Low duty
5
1.262
1.275
1.262
1.275
MAX
100
+1
+1
1
UNITS
07/17/02
Rev. 1.7
mA
mA
mA
mA
mA
ns
ns
ns
%
%
%
%
V
V
V
V
V
V