IR3084AMPBF Ver la hoja de datos (PDF) - International Rectifier
Número de pieza
componentes Descripción
Fabricante
IR3084AMPBF Datasheet PDF : 45 Pages
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IR3084A
PARAMETER
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
TEST CONDITION
V(SS/DEL) > 0.85V, V(EAOUT) > 0.5V
V(SS/DEL) < 0.35V
V(EAOUT)
V(SS/DEL)
í5mA , 9%,$6 P$
1V 9 2&6(7 9
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
MIN
í2.0
5.6
0.20
0.35
6.6
í35
í10
í53.5
1.2
0.8
0.2
0.5
150
0.85
40
4
9.5
20
3.6
775
675
60
50
75
TYP
í0.2
12.5
0.35
0.60
6.9
í20
í1
í51
1.8
1.6
1.0
1.3
250
1.3
70
6.5
11.2
40
3.85
80
100
20
3.10
215
850
750
100
100
250
MAX UNIT
1.0
µA
19.4
K
0.50
V
0.85
V
7.2
V
í6
mA
10
mV
í48.5 µA
2.6
ms
2.8
ms
2.5
ms
2.2
ms
350
µs
1.5
V
100
µA
9
µA
12.5 µA/µA
60
µA
4.1
V
mV
mV
mV
V
mV
925
mV
825
mV
140
mV
200
K
400
ns
Page 4 of 45
10/30/2006
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