IR3502B Datasheet, PDF (4/38 Pages) International Rectifier – XPHASE3TM CONTROL IC

IR3502B
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over: 8V≤Vin≤16V, VCCL = 6.8V±3.4%, -0.3V ≤ VOSEN- ≤
0.3V, 0 ^oC ≤ T_J ≤ 100 ^oC, 7.75KΩ ≤ ROSC ≤ 50.0 KΩ, CSS/DEL = 0.1F +/-10%.
PARAMETER
TEST CONDITION
VDAC Reference
System Set-Point Accuracy
VID ≥ 1V
0.8V ≤ VID < 1V
0.5V ≤ VID < 0.8V
Source & Sink Currents
Include OCSET and VSETPT currents
VIDx Input Threshold
VIDx Input Bias Current
0V≤V(VIDx)≤2.5V.
VIDx OFF State Blanking Delay Measure time till PGOOD drives low
Oscillator
ROSC Voltage
CLKOUT High Voltage
I(CLKOUT)= -10 mA, measure V(VCCL)
– V(CLKOUT).
CLKOUT Low Voltage
I(CLKOUT)= 10 mA
PHSOUT Frequency
ROSC = 50.0 KΩ
PHSOUT Frequency
ROSC = 24.5 KΩ
PHSOUT Frequency
ROSC = 7.75 KΩ
PHSOUT High Voltage
I(PHSOUT)= -1 mA, measure V(VCCL)
– V(PHSOUT)
PHSOUT Low Voltage
I(PHSOUT)= 1 mA
PHSIN Threshold Voltage
Compare to V(VCCL)
VDAC Buffer Amplifier
Input Offset Voltage
V(VDAC_BUFF) – V(VDAC), 0.5V ≤
V(VDAC) ≤ 1.6V, < 1mA load
Source Current
0.5V ≤ V(VDAC) ≤ 1.6V
Sink Current
0.5V ≤ V(VDAC) ≤ 1.6V
Unity Gain Bandwidth
Note 1
Slew Rate
Note 1
Thermal Compensation Amplifier
Output Offset Voltage
0V ≤ V(IIN) – V(VDAC) ≤ 1.6V, 0.5V ≤
V(VDAC) ≤ 1.6V, Req/R2 = 2
Source Current
0.5V ≤ V(VDAC) ≤ 1.6V
Sink Current
0.5V ≤ V(VDAC) ≤ 1.6V
Unity Gain Bandwidth
Note 1, Req/R2 = 2
Slew Rate
Note 1
Current Report Amplifier
Output Offset Voltage
V(VDRP)–V(VDAC) = 0,225,450,900mV
MIN
-0.5
-5
-8
30
500
-1
0.5
0.570
225
450
1.35
30
-5
0.3
3.5
-10
3
0.3
2
-15
TYP
44
600
0
1.3
0.595
250
500
1.50
50
0
0.44
13
3.5
1.5
0
8
0.4
4.5
5.5
0
MAX
0.5
+5
+8
58
700
1
2.1
0.620
1
1
275
550
1.65
1
1
70
9
0.6
20
10
15
0.5
7
15
UNIT
%
mV
mV
A
mV
A
s
V
V
V
kHz
kHz
MHz
V
V
%
mV
mA
mA
MHz
V/s
mV
mA
mA
MHz
V/s
mV
Page 4 of 38
V3.2