參數(shù)資料
型號: IR3624MTRPBF
廠商: International Rectifier
英文描述: HIGH FREQUENCY SYNCHRONOUS PWM BUCK CONTROLLER
中文描述: 高頻同步PWM降壓控制器
文件頁數(shù): 5/21頁
文件大?。?/td> 803K
代理商: IR3624MTRPBF
IR3624MPBF
Recommended Operating Conditions
Parameter
SYM
Test Condition
Min TYP
MAX
Units
Reference Voltage
Feedback Voltage
V
FB
0
o
C<Tj<105
o
C
-40
o
C<Tj<105
o
C,
Note1
0.6
V
-1.5
-2.5
+1.5
+1.5
%
%
Accuracy
Supply Current
V
CC
Supply Current
(Static)
V
CC
Supply Current
(Dynamic)
I
CC(Static)
SS=0V, No Switching
6
8
mA
I
CC(Dynamic)
F
s
=600kHz, C
LOAD
=1.5nF
10
15
mA
V
C
Supply Current
(Static)
I
C(Static)
SS=0V, No Switching
3
6
mA
V
C
Supply Current
(Dynamic)
I
C(Dynamic)
F
s
=600kHz, C
LOAD
=1.5nF
17
25
mA
Under Voltage Lockout
V
CC
-Start-Threshold
V
CC
-Stop-Threshold
V
CC
-Hysteresis
V
C
-Start-Threshold
V
C
-Stop-Threshold
V
C
-Hysteresis
Oscillator
Frequency
V
CC
_UVLO(R)
V
CC
_UVLO(F)
V
C
_UVLO(R)
V
C
_UVLO(F)
Supply ramping up
Supply ramping down
Supply ramping up and down
Supply ramping up
Supply ramping down
Supply ramping up and down
4.0
3.7
0.15
3.1
2.85
0.15
4.4
4.1
0.3
3.5
3.25
0.25
V
V
V
V
V
V
0.25
0.2
F
S
V
ramp
Note2
540
600
660
kHz
Ramp Amplitude
1.25
V
Min Duty Cycle
D
min
D
min(ctrl)
D
max
Fb=1V
0
%
Min Pulse Width
F
s
=600kHz,
Note2
F
s
=600kHz, Fb=0.5V
80
ns
Max Duty Cycle
71
%
Electrical Specifications
Unless otherwise specified, these specification apply over V
cc
=V
c
=12V, 0
o
C<T
j
< 105
o
C
Symbol
Definition
Min
Max
Units
V
cc
V
c
F
s
T
j
Supply Voltage
Supply Voltage
Operating Frequency
Junction Temperature
4.5
10
-40
14
28
660
125
V
V
kHz
o
C
5
Note1: Cold temperature performance is guaranteed via correlation using statistical quality control.
Not tested for production.
Note2: Guaranteed by Design but not tested for production.
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