参数资料
型号: IR3628MPBF
厂商: International Rectifier
英文描述: HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER
中文描述: 高频同步PWM降压控制器
文件页数: 19/22页
文件大小: 581K
代理商: IR3628MPBF
IR3628MPbF
08/10/2007
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Error Amplifier
Fb Input Bias Current
IFB1
SS=3V
-0.1
-0.5
μA
Vp Input Bias Current
IVp
SS=3V
-0.1
-0.5
μA
Fb Input Bias Current
IFB2
SS=0V
40
55
70
μA
Source/Sink Current
I(source/Sink)
50
70
100
μA
Transconductance
gm
1000
1300
1600
μmho
Input Offset Voltage
Vos
Fb to Vp
-4.5
0
+4.5
mV
Vp (Common Mode Range)
Vp
0.2
1.0
V
Soft Start/SD
Soft Start Current
ISS
SS=0V
15
20
28
μA
Shutdown
Output
Threshold
SD
0.25
V
Over Current Protection
OCSET Current
IOCSET
15
20
26
μA
Hiccup Current
IHiccup
Note2
3
μA
Hiccup Duty Cycle
Hiccup(duty)
IHiccup / ISS , Note2
15
%
Thermal Shutdown
Thermal Shutdown
Threshold
Note2
140
oC
Thermal Shutdown
Hysteresis
Note2
20
oC
Output Drivers
LO, Drive Rise Time
Tr(Lo)
CL=1.5nF, Fs=600kHz
See Fig 3
30
60
ns
HI Drive Rise Time
Tr(Hi)
CL=1.5nF, Fs=600kHz
See Fig 3
30
60
ns
LO Drive Fall Time
Tf(Lo)
CL=1.5nF, Fs=600kHz
See Fig 3
30
60
ns
HI Drive Fall Time
Tf(Hi)
CL=1.5nF, Fs=600kHz
See Fig 3
30
60
ns
Dead Band Time
Tdead
See Fig 3
10
50
100
ns
Note2: Guaranteed by Design but not tested for production.
9V
2V
9V
2V
High Side Driver
(HDrv)
Low Side Driver
(LDrv)
Tr
Tf
Deadband
H_to_L
Deadband
L_to_H
Tr
Tf
Fig. 3: Definition of Rise/Fall time and Deadband Time
6
相关PDF资料
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IR3628MTRPBF HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER
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