IR3081AMTR International Rectifier, IR3081AMTR Datasheet - Page 5

• Manufacturer Part Number: IR3081AMTR
• Description: XPHASE VR 10.0 Control IC. The Control IC combined with an IR XPhase TM Phase IC provides a full featured and flexible way to implement a complete VR 10.0 power solution.
• Manufacturer: International Rectifier

Specifications of IR3081AMTR

• Package: 28-Lead MLPQ
• Circuit: X-Phase Controller IC
• Switch Freq (khz): 150kHz to 1.0MHz
• Pbf: PbF Option Available

Note 1: Guaranteed by design, but not tested in production
Note 2: VDAC Output is trimmed to compensate for Error Amplifier input offset errors
Oscillator
Switching Frequency
Peak Voltage (5V typical,
measured as % of VBIAS)
Valley Voltage (1V typical,
measured as % of VBIAS)
VBIAS Regulator
Output Voltage
Current Limit
Soft Start and Delay
SS/DEL to FB Input Offset
Voltage
Charge Current
Discharge Current
Charge/Discharge Current
Ratio
Charge Voltage
Over Current Discharge
Current
Over Current Delay Time
Delay Comparator Threshold
Delay Comparator Threshold
Delay Comparator Hysteresis
Over-Current Comparator
Input Offset Voltage
OCSET Bias Current
PWRGD Output
Output Voltage
Leakage Current
Enable Input
Threshold voltage
Bias Current
VCC Under-Voltage Lockout
Start Threshold
Stop Threshold
Hysteresis
General
VCC Supply Current
VOSNS- Current
Page 5 of 39
PARAMETER
R
C
Relative to Charge Voltage, SS/DEL
Relative to Charge Voltage, SS/DEL
1V ≤ V(OCSET) ≤ 5V
R
V(PWRGD) = 5.5V
0V ≤ V(ENABLE) ≤ VCC
Start – Stop
R
R
-5mA ≤ I(VBIAS) ≤ 0
With FB = 0V, adjust V(SS/DEL) until
EAOUT drives high
rising
falling
I(PWRGD) = 4mA
-0.3V ≤ VOSNS- ≤ 0.3V, All VID Codes
ROSC
ROSC
ROSC
SS/DEL
ROSC
= 41.9kΩ
= 41.9kΩ
= 41.9kΩ
= 41.9kΩ
=0.1uF. Note 1
TEST CONDITION
0.85
MIN
-5.5
255
150
500
600
-31
6.5
-30
3.5
-10
9.2
8.4
70
11
40
10
35
85
32
-5
4
8
-29.5
TYP
11.5
-4.5
300
250
115
150
600
800
-15
6.8
1.3
3.8
9.7
8.9
71
14
70
40
65
52
11
6
0
0
0
IR3081A
1/31
MAX
1200
10.2
-3.5
345
100
350
145
400
700
-28
7.1
1.5
4.0
9.4
74
16
13
95
72
10
10
14
-6
9
5
/05
µA/µA
UNIT
kHz
mA
mV
mV
mV
mV
mV
mV
mV
mA
mA
µA
µA
uA
µA
µA
µA
us
%
%
V
V
V
V
V