参数资料
型号: IRDC3629
厂商: International Rectifier
文件页数: 5/23页
文件大小: 0K
描述: BOARD EVAL SYNC BUCK CONTROLLER
标准包装: 1
系列: *
IR3629/IR3629A MPbF
Recommended Operating Conditions
C
Symbol
V cc
V c
T j (Note1)
Definition
Supply Voltage
Supply Voltage
Junction Temperature
Min
4.5
Converter voltage + 5V
-40
Max
14
28
125
Units
V
V
o
Note1:
The junction temperature for 5V application is 0 o C-125 o C
Electrical Specifications
Unless otherwise specified, these specification apply over V cc =V c =12V, 0 o C<T j < 105 o C
Typical value are specified at Ta=25 o C
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Accuracy
0 C<Tj<125 C
Feedback Voltage
Accuracy
V FB
o o
-1.5
0.6
+1.5
V
-40 C<Tj<105 C, Note2
o o
-2.5
+1.5
%
Supply Current
V CC Supply Current
(Static)
I CC(Static)
SS=0V, No Switching
10
13
V CC Supply Current
(Dynamic)
V C Supply Current
(Static)
V C Supply Current
( Dynamic)
I CC(Dynamic)
I C(Static)
I C(Dynamic)
IR3629, C LOAD =1.5nF
IR3629A, C LOAD =1.5nF
SS=0V, No Switching
IR3629, C LOAD =1.5nF
IR3629A, C LOAD =1.5nF
15
15
4.5
17
10
25
19
7
25
15
mA
Under Voltage Lockout
V CC -Start-Threshold
V CC -Stop-Threshold
V CC _UVLO(R)
V CC _UVLO(F)
Supply ramping up
Supply ramping down
4.0
3.7
4.2
3.9
4.4
4.1
V CC -Hysteresis
V C -Start-Threshold
V C -Stop-Threshold
V C -Hysteresis
V CC _Hys
V C _UVLO(R)
V C _UVLO(F)
V C _Hys
Supply ramping up and down
Supply ramping up
Supply ramping down
Supply ramping up and down
0.15
3.1
2.85
0.15
0.25
3.3
3.05
0.2
0.3
3.5
3.25
0.25
V
Oscillator
Frequency
F S
IR3629A
IR3629
270
540
300
600
330
660
kHz
Ramp Amplitude
Min Duty Cycle
V ramp
D min
Note3
Fb=1V
1.25
0
V
%
IR3629, Note3
80
Min Pulse Width
D min(ctrl)
IR3629A , Note3
160
ns
IR3629, Fb=0.5V
71
Max Duty Cycle
D max
IR3629A, Fb=0.5V
78
%
11/29/2007
5
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