IR3522 International Rectifier, IR3522 Datasheet - Page 6

• Manufacturer Part Number: IR3522
• Description: DDR & VTT CONTROL IC
• Manufacturer: International Rectifier

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POWER GOOD (PGOOD) Output
Under Voltage Threshold - Voutx
Decreasing
Under Voltage Threshold - Voutx
Increasing
Under Voltage Threshold
Hysteresis
Output Voltage
Leakage Current
PGBIAS Activation Threshold
PGBIAS Clamp Voltage
I(PGBIAS)max
Soft Start and Soft Stop
Start Delay
Start-up Time
SS/DEL1 to FB1 Input Offset
Voltage
Charge Current
Soft Stop Discharge Currents
Charge Voltage
Discharge Comp. Threshold
Delay Comparator Threshold
Delay Comparator Threshold
Delay Comparator Hysteresis
IINx Bias Current
SRD Comp. Rise Threshold
SRD Comp. Fall Threshold
SRD Comp Hysteresis
IIN1 High Voltage
Error Amplifiers
VOUT1 System Set-Point
Accuracy
VOUT2 Tracking Accuracy
Input Offset Voltage
FB1, FB2 Bias Currents
DC Gain
Bandwidth
Slew Rate
Sink Current
Source Current
Maximum Voltage
Minimum Voltage
Open Control Loop Detection
Threshold
Open Control Loop Detection
Delay
FB2 Activation Voltage
VREF1 Reference
Source and Sink Currents
Page 6
PARAMETER
VOUT1 referenced to VREF1
VOUT2 referenced to VOUT1/2
VOUT1 referenced to VREF1
VOUT2 referenced to VOUT1/2
I(PGOOD) = 3mA
V( PGOOD ) = 5.5V
I( PGOOD )=2mA, V(PGOOD) = 300mV
I(PGBIAS) = 100uA
Measure Enable to EAOUT1 activation
Measure Enable activation to PGOOD
With FB1 = 0V, adjust V(SS/DEL1) until
EAOUT1 drives high
Relative to Charge Voltage, SS/DELx
rising Note 1
Relative to Charge Voltage, SS/DELx
falling Note 1
Note 1
(Deviation from Table 2 and per test
circuit in Figures 2A)
(Deviation from Table 2, and 3 per test
circuit in Figures 2B)
Measure V(FB1) – V(VREF1).
Note 1
Note 1
Note 1
Measure V(VCCL) – V(EAOUTx)
Measure V(VCCL) - V(EAOUTx),
Relative to Error Amplifier maximum
voltage.
Measure PHSOUT pulse numbers from
V(EAOUTx)=V(VCCL) to PGOOD = low.
With FB2 grounded, V(VOUT1)/2 when
EAOUT2 drives high
Includes I(OCSET1) and I(OCSET2)
Measure V(VCCL)-V(IIN1)
Measure V(FB2) – V(VOUT1)/2. Note 2
TEST CONDITION
MIN
-365
-325
-0.5
-1.0
-8%
150
330
310
100
500
125
-20
0.7
3.7
5.5
0.4
5.0
25
15
20
40
-1
-1
-1
5
3
1
3
0
2000*Vrosc(V)
/ ROSC(k )
TYP
-315
-275
0.85
150
220
120
390
360
110
780
120
300
4.5
2.9
1.4
-45
8.5
55
80
40
30
30
12
70
53
0
2
8
4
0
0
0
8
MAX
V3.01
IR3522
12.0
+8%
105
300
440
425
135
950
250
600
100
-265
-225
-90
3.5
1.9
4.2
1.2
0.5
1.0
1.2
110
300
100
13
50
40
20
3.5
6.5
10
1
1
1
Pulses
UNIT
MHz
V/µs
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mV
mV
mV
mV
ms
ms
µA
µA
uA
µA
dB
µA
mV
mV
mV
mV
%
%
µA
uA
V
V
V
V
V