iru3138 International Rectifier Corp., iru3138 Datasheet - Page 2

• Manufacturer Part Number: iru3138
• Description: Synchronous Pwm Controller For Termination Power Supply Applications -
• Manufacturer: International Rectifier Corp.

IRU3138
ABSOLUTE MAXIMUM RATINGS
V
V
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 V
to T
temperature.
PARAMETER
Reference Voltage
V
Fb Voltage Line Regulation
UVLO
UVLO Threshold - V
UVLO Hysteresis - V
UVLO Threshold - V
UVLO Hysteresis - V
UVLO Threshold - Fb
UVLO Hysteresis - Fb
Supply Current
V
V
V
V
Soft-Start Section
Charge Current
Oscillator
Frequency
Ramp Amplitude
2
CC
C
REF
CC
C
CC
C
Static Supply Current
Supply Voltage .................................................... -0.5V - 25V
Dynamic Supply Current
A
Supply Voltage .................................................. -0.5V - 25V
Dynamic Supply Current
Static Supply Current
=25°C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient
Voltage
14-PIN PLASTIC SOIC NB (S)
LDrv
V
Gnd
Vcc
NC
REF
Fb
V
P
1
2
3
4
5
6
7
u
JA
=888C/W
CC
C
CC
C
14 NC
13
12 Comp
10
11
9
8
SS/SD
Rt
Vc
HDrv
PGnd
UVLO Vcc
UVLO Vc
UVLO Fb
SYM
Dyn Icc
Dyn Ic
V
L
SS
Freq
V
I
CCQ
RAMP
I
REG
CQ
FB
IB
5<V
Supply Ramping Up
Supply Ramping Up
Fb Ramping Down
Note 1
Freq=200KHz, C
Freq=200KHz, C
SS=0V
SS=0V
SS=0V
Rt=Open
Rt=Gnd
Note 1
TEST CONDITION
CC
<12
www.irf.com
0°C To 125°C
L
L
=3000pF
=3000pF
CC
=5V, V
C
=12V and T
0.784
MIN
180
360
4.0
3.0
0.3
15
A
=0 to 70°C. Typical values refer
TYP
4.25
0.25
0.25
0.02
1.25
200
400
0.8
3.5
0.4
6.5
2.5
11
20
4
0.816
MAX
3.65
220
440
1.6
4.5
0.5
14
26
8
6
4
UNITS
KHz
01/29/04
mV
mA
mA
mA
mA
Rev. 1.0
mA
V
V
V
V
V
V
V
V