参数资料
型号: IR3521MTRPBF
厂商: International Rectifier
文件页数: 7/45页
文件大小: 0K
描述: IC CTRL XPHASE3 SVID 32-MLPQ
标准包装: 3,000
系列: XPhase3™
应用: 处理器
电流 - 电源: 10mA
电源电压: 4.75 V ~ 7.5 V
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-MLPQ(5x5)
包装: 带卷 (TR)
IR3521
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
Soft Start and Delay
Start Delay
Start-up Time
OC Delay Time
SS/DELx to FBx Input Offset
Measure Enable to EAOUTx activation
Measure Enable activation to PGOOD
V(IINx) – V(OCSETx) = 500 mV
With FBx = 0V, adjust V(SS/DELx) until
1
3
85
0.7
2.9
8
170
1.4
3.5
13
325
1.9
ms
ms
us
V
Voltage
EAOUTx drives high
Charge Current
OC Delay/VID Off Discharge
Currents
Fault Discharge Current
Note 1
-30
2.5
-50
47
4.5
-70
6.5
? A
? A
? A
Hiccup Duty Cycle
Charge Voltage
Delay Comparator Threshold
I(Fault) / I(Charge)
Relative to Charge Voltage, SS/DELx
7
3.5
10
3.9
80
12
4.2
uA/uA
V
mV
rising Note 1
Delay Comparator Threshold
Relative to Charge Voltage, SS/DELx
120
mV
falling Note 1
Delay Comparator Hysteresis
Note 1
40
mV
Discharge Comp. Threshold
150
200
300
mV
Over-Current Comparators
Input Offset Voltage
OCSET Bias Current
2048-4096 Count Threshold
1024-2048 Count Threshold
1V ≤ V(OCSETx) ≤ 3.3V
Adjust ROSC value to find threshold
Adjust ROSC value to find threshold
-35
-5%
0
Vrosc(V)*100
0/Rosc(K ? )
16
20
35
+5%
mV
? A
k ?
k ?
Error Amplifiers
System Set-Point Accuracy
(Deviation from Table 1, 2, and
3 per test circuit in Figures 2A
& 2B)
VID ≥ 1V
0.8V ≤ VID < 1V
0.5V ≤ VID < 0.8V
-0.5
-5
-8
0.5
+5
+8
%
mV
mV
Input Offset Voltage
FB1 Bias Current
FB2 Bias Current
DC Gain
Bandwidth
Slew Rate
Sink Current
Source Current
Maximum Voltage
Minimum Voltage
Open Voltage Loop Detection
Measure V(FBx) – V(VDACx)). Note 2
Note 1
Note 1
Note 1
Measure V(VCCL) – V(EAOUTx)
Measure V(VCCL) - V(EAOUT), Relative
-1
-5%
-1
100
20
5.5
0.4
5.0
500
125
0
Vrosc(V)*1000
/Rosc(K ? )
0
110
30
12
0.85
8.5
780
120
300
1
+5%
1
135
40
20
1
12.0
950
250
600
mV
? A
? A
dB
MHz
V/ ? s
mA
mA
mV
mV
mV
Threshold
to Error Amplifier maximum voltage.
Open Voltage Loop Detection
Delay
Measure PHSOUT pulse numbers from
V(EAOUTx) = V(VCCL) to PGOOD = low.
8
Pulses
Enable Input
Blanking Time
Noise Pulse < 100ns will not register an
75
250
400
ns
ENABLE state change. Note 1
VDAC References
Source Currents
Sink Currents
Includes I(OCSETx)
Includes I(OCSETx)
-8%
-8%
3050*Vrosc(V)
/ ROSC(k ? )
2650*Vrosc(V)
/ ROSC(k ? )
+8%
+8%
? A
? A
PGOOD Output
Under Voltage Threshold -
Reference to VDACx
-365
-315
-265
mV
Voutx Decreasing
Page 7
V3.03
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