IR3531A Datasheet, PDF (10/39 Pages) International Rectifier – 4+1 Phase Dual Output Control IC Pre-bias compatible

4+1 Phase Dual Output Control IC ^IR3531A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNIT
Unity Gain Bandwidth
-
3.5
-
MHz
Slew Rate
-
1.5
-
V/µs
Thermal Compensation Amplifier (VDRP)
Output Offset Voltage
VDRPOUTOFF 0V ≤ V(IIN) – V(VDAC) ≤ 1.52V,
0.25V ≤ V(VDAC) ≤ 1.52V,
-14
0
14
mV
Req/R2 = 2
Source Current
VDRPSRC
0.25V ≤ V(VDAC) ≤ 1.52V
3
8
15
mA
Sink Current
VDRPSNK
0.5V ≤ V(VDRP) ≤ 1.52V
V(VDRP) = 0.25V
0.2
0.4
0.7
mA
0.175 0.25
0.4
Unity Gain Bandwidth
Req/R2 = 2, Note 1
2
4.5
7
MHz
Slew Rate
-
5.5
-
V/µs
VN Bias Current
V(VN) = 2 V
-2
0
2
µA
Power Savings Mode Operation
PS2/PS3 Turn-on Threshold
PS2THRSH
VID = 250 mV
250
350
385
mV
VID = 1.52 V
2
2.15 2.26
V
PS2/PS3 Pulse Width Rail0
PS2COT0
VID = 250 mV, SF = 500 kHz
VID = 1.52 V, SF = 500 kHz
60
151
200
ns
220
409
480
PS2/PS3 Pulse Width Rail1
PS2COTMIN1
PS2COTMAX1
VID = 250 mV, SF = 500 kHz
VID = 1.52 V, SF = 500 kHz
50
100
200
ns
220
358
480
PS Mode Enter Delay
PS1DELAY
PS0 to PS1 only
-
8
-
PWM
Cycle
Enable Input
Rising Threshold
ENRISE
625
650
675
mV
Falling Threshold
ENFALL
575
600
625
mV
Hysteresis
ENHYST
25
50
75
mV
Bias Current
ENBIAS
0V ≤ V(ENABLE) ≤ 3.3V
-5
0
5
µA
Blanking Time
Noise Pulse < 100ns will not
register an ENABLE state change.
75
250
400
ns
Note 1
IMONx Current Report Amplifier
Output Offset Voltage
IMONOFF
VDRP–VDAC = 0, 225, 450,
900mV
15
50
90
mV
Unity Gain Bandwidth
Note 1
-
1
-
MHz
Input Filter Time Constant
-
1
-
µs
Max Output Voltage
IMONMAX
1.00
1.09 1.145
V
Current Report A/D Accuracy
IMONACC
VDRP–VDAC = 900mV
-2
0
2
%
Rail1 VDRP Amplifier
Output Outset Voltage
VDRP1OFF
0V≤ V(IIN_R1) - V(VDAC1) ≤ 0.2V
0.25V ≤ V(IIN_R1) - V(VDAC1) ≤
-75
0
75
mV
1.52V
10 March 22, 2012 | FINAL | V1.11