参数资料
型号: IR3094MPBF
厂商: International Rectifier
文件页数: 7/29页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 48MLPQ
标准包装: 200
PWM 型: 电压模式
输出数: 3
频率 - 最大: 540kHz
占空比: 100%
电源电压: 8 V ~ 16 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 150°C
封装/外壳: 48-MLPQ
包装: 剪切带 (CT)
IR3094PBF
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
Share Adjust Error Amplifier
Input Offset Voltage
MAX Duty Cycle Adjust Ratio
MIN Duty Cycle Adjust Ratio
Transconductance
SCOMPX Source/Sink Current
SCOMPX Precondition and
GATELX Release Threshold
SCOMP precondition current
Duty Cycle Match at Startup
Note 1
Compare Duty Cycle to GATEH1
Compare Duty Cycle to GATEH1
Note 1
V(FB)
Compare Duty Cycle to GATEHX
-5
1.5
0.6
100
16
0.6
160
-7
0
2.0
0.5
200
22
0.67
360
-1
5
300
28
0.74
560
7
mV
P A/V
P A
V
P A
%
0% Duty Cycle Comparator
Threshold Voltage
Propagation Delay
Below Internal Ramp1 Start Voltage
VCCLX= 8V. Step EAOUT from .8V to
.3V and measure time to GATELX
transition to < 7V.
-25
25
200
75
400
mV
ns
OVP
Comparator Threshold
Power-up Headroom for OVP
Flag
OVPSNS Threshold at Power-
up
SS/DEL Power-up Clear
Threshold
Propagation Delay
OVP Source Current
OVP Pull Down Resistance
OVP High Voltage
OVPSNS Bias Current
Compare to V(VREF)
VCC=OVPSNS where V(OVP)>0.5V.
Same for 5VUVL=OVPSNS.
VCC=2V, V(OVP) >0.5V. Same for
V(5VUVL)=2V.
VCC=12V, V(OVPSNS)=1V,
VREF=1.6V, where OVP<0.5V
VCCLX= 8V. V(EAOUT)=0V. Step
OVPSNS 540mV + V(VREF). Measure
time to GATELX transition to >1V.
Note 1.
V(OVP)=0.5V, VCC=1.8V, 5VUVL=0V
OVP to LGND
I(OVP)=10uA, V(VCC) or V(5VUVL)-
V(OVP), VCC=1.8V
120
0.8
0.3
0.35
150
10
30
0.4
-6.0
150
1.1
0.48
0.60
350
75
60
0.70
-3.0
200
1.8
0.85
0.95
650
100
1.1
1.5
mV
V
V
V
ns
P A
k ?
V
uA
5VREF
Short Circuit Current
20
45
60
mA
Supply Voltage
I(5VREF)=0A
4.5
5
5.5
V
General
VCC Supply Current
VOSNS- Current
VCCHX and VCCL3 Current
VCCL1_2 Supply Current
5VUVL Supply Current
Non_Sync to Sync Threshold
V(VCC)=16V
-0.3V ? VOSNS- ? 0.3V
V(VCCHX)=28V, V(VCCL3)=14V
V(VCCL1_2)=14V
V(5VUVL)=5V, no OVP condition
28.5
0.6
3
6
100
70.6
35
0.8
5
10
200
77.7
40.5
1.2
7
17
400
87
mA
mA
mA
mA
uA
%VRE
F
Note 1: Guaranteed by design, but not tested in production
Note 2 : VREF Output is trimmed to compensate for Error Amp input offsets errors
Page 7 of 29
09/26/05
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