IR3500VMPBF International Rectifier, IR3500VMPBF Datasheet - Page 4

• Manufacturer Part Number: IR3500VMPBF
• Description: The IR3500V Control IC combined with one or more xPhase3 Phase IC implement the control and MOSFET driver functions for a VR11.1 CPU VTT power supply.
• Manufacturer: International Rectifier

Specifications of IR3500VMPBF

• Package: 32-Lead MLPQ
• Circuit: X-Phase Control IC
• Switch Freq (khz): 250kHz to 1.5MHz
• Pbf: PbF Option Available

Soft Start and Delay
Start Delay (TD1)
Soft Start Time (TD2)
VID Sample Delay (TD3)
PGOOD Delay (TD4 + TD5)
OC Delay Time
SS/DEL to FB Input Offset
Voltage
Charge Current
Discharge Current
Charge/Discharge Current Ratio
Charge Voltage
Delay Comparator Threshold
Delay Comparator Threshold
Delay Comparator Hysteresis
VID Sample Delay Comparator
Threshold
Discharge Comp. Threshold
Error Amplifier
Input Offset Voltage
FB Bias Current
VSETPT Bias Current
DC Gain
Bandwidth
Slew Rate
Sink Current
Source Current
Minimum Voltage
Maximum Voltage
Open Voltage Loop Detection
Threshold
Open Voltage Loop Detection
Delay
Over-Current Comparator
Input Offset Voltage
OCSET Bias Current
Over-Current Delay Counter
Over-Current Delay Counter
Over-Current Delay Counter
Over-Current Limit Amplifier
Input Offset Voltage
Transconductance
Sink Current
Unity Gain Bandwidth
Page 4 of 34
PARAMETER
V(IIN) – V(OCSET) = 500 mV
With FB = 0V, adjust V(SS/DEL) until
EAOUT drives high
Relative to Charge Voltage, SS/DEL
rising
Relative to Charge Voltage, SS/DEL
falling
Measure V(FB) – V(VSETPT). Note 2
R
Note 1
Note 1
Note 1
Measure V(VCCL) – V(EAOUT)
Measure V(VCCL) - V(EAOUT), Relative
to Error Amplifier maximum voltage.
Measure PHSOUT pulse numbers from
V(EAOUT) = V(VCCL) to PGOOD = low.
1V ≤ V(OCSET) ≤ 3.3V
R
ROSC = 7.75 K (PHSOUT=1.5MHz)
ROSC = 15.0 K (PHSOUT=800kHZ)
ROSC = 50.0 K (PHSOUT=250kHz)
Note 1
Note 1
OSC
OSC
= 24.5 K
= 24.5 K
TEST CONDITION
To reach 1.1V
23.00
23.25
35.0
0.40
0.50
0.75
MIN
150
100
500
125
1.0
0.8
0.3
0.5
0.7
2.5
-30
-10
75
10
20
35
-1
-1
7
5
July 28, 2008
24.25
24.50
4096
2048
1024
TYP
52.5
3.75
0.85
1.00
2.00
125
110
200
110
120
780
300
2.9
2.2
1.2
1.2
1.4
4.5
3.0
-13
12
80
30
30
12
55
0
0
8
8
0
IR3500V
25.50
25.75
MAX
1.00
1.75
3.00
3.25
70.0
120
250
950
600
300
275
3.5
3.0
2.3
1.9
6.5
40
20
12
10
75
16
1
1
0
Pulses
µA/µA
Cycle
Cycle
Cycle
mA/V
UNIT
MHz
V/µs
kHz
mV
mA
mA
mV
mV
mV
mV
mV
mV
mV
mV
mV
µA
µA
dB
µA
uA
ms
ms
ms
ms
µA
µA
us
V
V
V