ir3084a International Rectifier Corp., ir3084a Datasheet - Page 4

• Manufacturer Part Number: ir3084a
• Description: Xphase Tm Vr 10/11 Control Ic
• Manufacturer: International Rectifier Corp.

CURRENT SENSE INPUT
IIN Bias Current
IIN Preconditioning Pull-Down
Resistance
IIN Preconditioning RESET
Threshold
IIN Preconditioning SET
Threshold
VBIAS REGULATOR
Output Voltage
Current Limit
Over-Current Comparator
Input Offset Voltage
OCSET Bias Current
SOFT START AND DELAY
Start Delay (TD1)
Soft Start Time (TD2)
VID Sample Delay (TD3)
VRRDY Delay (TD4 + TD5)
OC Delay Time
SS/DEL to FB Input Offset
Voltage
SS/DEL Charge Current
SS/DEL Discharge Current
Charge/Discharge Current
Ratio
OC Discharge Current
Charge Voltage
OC/VRRDY Delay
Comparator Threshold
OC/VRRDY Delay
Comparator Threshold
Delay Comparator Hysteresis
VID Sample Delay
Comparator Threshold
SS/DEL Discharge
Comparator Threshold
ENABLE INPUT
Threshold Voltage
Threshold Voltage
Threshold Hysteresis
Input Resistance
Blanking Time
Page 4 of 45
PARAMETER
V(SS/DEL) > 0.85V, V(EAOUT) > 0.5V
V(SS/DEL) < 0.35V
V(EAOUT)
V(SS/DEL)
1V
RDRP =
RDRP =
Note 1
With FB = 0V, adjust V(SS/DEL) until
EAOUT drives high
Note 1
Relative to Charge Voltage,
SS/DEL rising
Relative to Charge Voltage,
SS/DEL falling
ENABLE rising
ENABLE falling
Noise Pulse < 250ns will not register
an ENABLE state change. Note 1
5mA
TEST CONDITION
MIN
0.20
0.35
0.85
150
775
675
5.6
6.6
53.5
1.2
0.8
0.2
0.5
9.5
3.6
40
20
60
50
75
2.0
4
35
10
TYP
12.5
0.35
0.60
11.2
3.85
3.10
250
100
215
850
750
100
100
250
6.9
1.8
1.6
1.0
1.3
1.3
6.5
70
40
80
20
0.2
20
51
1
IR3084A
10/30/2006
MAX
19.4
0.50
0.85
12.5
350
100
925
825
140
200
400
1.0
7.2
48.5
2.6
2.8
2.5
2.2
1.5
4.1
10
60
9
6
µ A/ µ A
UNIT
mA
mV
mV
mV
mV
mV
mV
mV
mV
K
K
ms
ms
ms
ms
µ A
µ A
µ A
µ A
µ A
µs
ns
V
V
V
V
V
V