參數(shù)資料
型號(hào): IR3623MPBF
廠商: International Rectifier
英文描述: HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING
中文描述: 高頻2相,單或雙輸出同步降壓控制器,輸出跟蹤和排序
文件頁(yè)數(shù): 3/26頁(yè)
文件大?。?/td> 523K
代理商: IR3623MPBF
IR3623MPbF
www.irf.com
Recommended Operating Conditions
3
Parameter
Output Voltage Accuracy
FB1, FB2 Voltage
SYM
Test Condition
Min
TYP
MAX
Units
V
FB
0.8
V
-40
o
C<Tj< 125
o
C,
Note2
-1
-2.5
+1
+1.35
%
%
Accuracy
Supply Current
V
CC
Supply Current
(Static)
Under Voltage Lockout
V
CC
-Threshold
V
CC
-Hysteresis
Enable-Threshold
Enable-Hysteresis
5V_sns-Threshold
5V_sns_Hysteresis
Ph_En, PWM 1,2
Drive Current
I
CC
(Static)
SS=0V, No Switching
-
10
17
mA
V
CC
_UVLO(R)
V
CC
_UVLO(F)
Vcc-Hyst
En_UVLO(R)
En_UVLO(F)
En_Hyst
5V_sns_UVLO(R) Supply ramping up
5V_sns_UVLO(F) Supply ramping down
5V_sns_Hyst
Supply ramping up / down
Supply ramping up
Supply ramping down
Supply ramping up / down
Supply ramping up
Supply ramping down
Supply ramping up / down
7.6
6.9
400
1.2
1.0
4.55
4.3
8.00
7.4
600
1.2
100
4.6
100
8.4
7.9
800
1.4
1.35
4.85
4.8
V
V
mV
V
V
mV
V
V
mV
I
(drive)
10
mA
Input Voltage High
V
out3
-1
V
Input Voltage Low
0.8
V
Internal Regulator
Output Accuracy
V
out3
7.6V<Vcc<14.5V
Isource=0 to 200mA
4.9
5.15
5.4
V
Output Curret
Oscillator
Frequency
Io
200
mA
F
S
Rt=51K
510
600
690
kHz
Frequency Range
Ramp Amplitude
Fs(range)
Vramp
See Figure 16
Note1
200
1200
kHz
V
1.25
Min Duty Cycle
Dmin
Fb=1V
0
%
Min Pulse Width
Dmin(ctrl)
F
S
=300kHz,
Note1
F
S
=300kHz, Fb=0.6V
150
ns
Max duty Cycle
Dmax
85
%
Sync Frequency Range
20% above free running Freq
2400
kHz
Sync Pulse Duration
200
300
ns
Sync High Level
Threshold
Sync Low Level
Threshold
Note1
2
V
Note1
0.8
V
Electrical Specifications
Unless otherwise specified, these specification apply over Vcc=12V, 0
o
C<Tj<105
o
C
Symbol
Vcc
Fs
Tj
Definition
Supply Voltage
Operating frequency
Junction temperature
Min
8.5
200
-40
Max
14.5
1200
125
Units
V
kHz
o
C
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