参数资料
型号: IR3081AMPBF
厂商: International Rectifier
文件页数: 5/39页
文件大小: 0K
描述: IC CTRLR XPHASE VR10.0 28MLPQ
标准包装: 100
系列: XPhase™
应用: 处理器
电流 - 电源: 11mA
电源电压: 9.5 V ~ 14 V
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 28-MLPQ
供应商设备封装: 28-MLPQ(5x5)
包装: 剪切带 (CT)
IR3081A
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
Oscillator
Switching Frequency
Peak Voltage (5V typical,
measured as % of VBIAS)
Valley Voltage (1V typical,
measured as % of VBIAS)
R ROSC = 41.9k ?
R ROSC = 41.9k ?
R ROSC = 41.9k ?
255
70
11
300
71
14
345
74
16
kHz
%
%
VBIAS Regulator
Output Voltage
Current Limit
-5mA ≤ I(VBIAS) ≤ 0
6.5
-30
6.8
-15
7.1
-6
V
mA
Soft Start and Delay
SS/DEL to FB Input Offset
With FB = 0V, adjust V(SS/DEL) until
0.85
1.3
1.5
V
Voltage
EAOUT drives high
Charge Current
Discharge Current
Charge/Discharge Current
Ratio
Charge Voltage
Over Current Discharge
40
4
10
3.5
70
6
11.5
3.8
40
100
9
13
4.0
μ A
μ A
μ A/ μ A
V
uA
Current
Over Current Delay Time
Delay Comparator Threshold
C SS/DEL =0.1uF. Note 1
Relative to Charge Voltage, SS/DEL
150
35
250
65
350
95
us
mV
rising
Delay Comparator Threshold
Relative to Charge Voltage, SS/DEL
85
115
145
mV
falling
Delay Comparator Hysteresis
32
52
72
mV
Over-Current Comparator
Input Offset Voltage
OCSET Bias Current
1V ≤ V(OCSET) ≤ 5V
R ROSC = 41.9k ?
-10
-31
0
-29.5
10
-28
mV
μ A
PWRGD Output
Output Voltage
Leakage Current
I(PWRGD) = 4mA
V(PWRGD) = 5.5V
150
0
400
10
mV
μ A
Enable Input
Threshold voltage
500
600
700
mV
Bias Current
0V ≤ V(ENABLE) ≤ VCC
-5
0
5
μ A
VCC Under-Voltage Lockout
Start Threshold
Stop Threshold
9.2
8.4
9.7
8.9
10.2
9.4
V
V
Hysteresis
Start – Stop
600
800
1200
mV
General
VCC Supply Current
8
11
14
mA
VOSNS- Current
-0.3V ≤ VOSNS- ≤ 0.3V, All VID Codes
-5.5
-4.5
-3.5
mA
Note 1: Guaranteed by design, but not tested in production
Note 2: VDAC Output is trimmed to compensate for Error Amplifier input offset errors
Page 5 of 39
1/31 /05
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