IRU3055CQ IRF [International Rectifier], IRU3055CQ Datasheet - Page 3

• Manufacturer Part Number: IRU3055CQ
• Description: POWER MANAGEMENT CHIPSET FOR 3-PHASE VRM 9.0 CONVERTERS
• Manufacturer: IRF [International Rectifier]

PARAMETER
Power Good Section
Under-Voltage Lower Trip Point
Under-Voltage Upper Trip Point
UV Hysteresis
Over-Voltage Upper Trip Point
Over-Voltage Lower Trip Point
OV Hysteresis
Power Good Output LO
Power Good Output HI
UVLO Threshold - 5V
UVLO Hysteresis - 5V
UVLO Threshold - 12V
UVLO Hysteresis - 12V
Over-Voltage Section
OVP Threshold
Error Amp Section
Transconductance
Input Bias Current
Input Offset Voltage
Current Sense Section
Input Bias Current
Input Offset Voltage
CS Matching
Current Limit Section
OC Threshold Set Current
OC Comp Offset Voltage
Hiccup Duty Cycle
Soft-Start Section
Charge Current
Output Drivers Section
Rise Time
Fall Time
Dead Band
Oscillator Section
Osc Frequency per Phase
PWM Ramping Voltage
Duty cycle Matching
Note 1: Vs refers to the set point voltage given in Table 1
Rev. 1.4
08/13/02
UVLO
UVLO
OSC
UVLO
UVLO
CS
VOS
PG
OV
VOS
OVP
VOS
PG
PG
IB
DB
DB
SYM
V
OV
PG
IB
OV
PG
IB
TR
TR
TF
f
TF
H
OSC
g
I
MATCH
OSC
SS
ERR
HYST
HYST
OC
MATCH
UVH
m
CS
IC
UVL
12HYST
LH
HL
5HYST
H
H
ERR
L
L
H
H
L
L
12UP
OC
TH
CS
5UP
V
V
V
V
R
R
Supply Ramping Up
Supply Ramping Down
Supply Ramping Up
Supply Ramping Down
Fault Pin
CS1, CS2, CS3
Fb to V
CS1, CS2, CS3
CS1 to CS2, CS1 to CS3
Difference between any CS
OCSet @ 0V
OCSet @ OC Threshold
Css=0.1uF
Soft-Start @ 0V
C
C
C
C
C
C
(Both Measured @ 10%)
Rt = 50KV
Peak to Peak
LDrv or HDrv
OUT
OUT
OUT
OUT
L
L
L
L
L
L
L
L
=3mA
=5K Pull-Up to 5V
High Side=3000pF,
Low Side=6000pF
High Side=3000pF,
Low Side=6000pF
High Side=3000pF,
Low Side=6000pF,
TEST CONDITION
Ramping Down
Ramping Up
Ramping Up
Ramping Down
www.irf.com
SET
0.001Vs
0.001Vs
0.88Vs
0.89Vs
1.10Vs
1.09Vs
1.1Vs
0.22
10.2
1.98
MIN
120
100
4.8
4.2
0.5
0.5
25
25
-8
0
1
7
0.90Vs
0.91Vs
0.01Vs
1.10Vs
0.01Vs
1.15Vs
1.11Vs
TYP
0.04
4.34
0.32
10.5
2.02
0.03
720
160
130
150
4.9
0.7
2.5
0.9
2.4
10
50
50
-3
3
2
2
0.92Vs
0.93Vs
0.02Vs
1.12Vs
0.02Vs
1.11Vs
1.2Vs
MAX
0.42
10.8
2.06
200
200
0.4
4.5
0.9
+2
13
75
75
5
5
6
4
4
IRU3055
UNITS
mmho
KHz
mV
mV
mV
mV
mA
mA
mA
mA
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
3