參數(shù)資料
型號: IR3622AMTRPbF
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
文件頁數(shù): 23/33頁
文件大小: 690K
代理商: IR3622AMTRPBF
IR3622AMPbF
www.irf.com
3
* The Operating Junction Temperature for 5V application is 0oC-125oC
Recommended Operating Conditions
3
Electrical Specifications
Unless otherwise specified, these specification apply over Vcc=VcL=VcH1=VcH2=12V, 0oC<Tj<105oC
Symbol
Definition
Min
Max
Units
Vcc, VcL
Supply Voltage
4.5
14.5
V
VcH1, VcH2
Supply Voltage
Converter Voltage + 5V
28
V
Fs
Operating frequency
200
600
kHz
Tj
*
Junction temperature
-40
125
oC
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Output Voltage Accuracy
FB1,2 Voltage
VFB
Vp1=Vp2=Vref=0.8V
0.8
V
0
oC <Tj< 125oC
-1
+1
%
Accuracy
-40
oC <Tj< 125oC; Note2
-1.5
+1.5
%
Supply Current
VCC Supply Current
(Static)
ICC (Static)
SS=0V, No Switching
13
18
mA
VCC Supply Current
(Dynamic)
ICC (Dynamic)
Fs=300kHz, CLOAD= 3.3nF
20
30
mA
VCL Supply Current
(Static)
ICL (Static)
SS=0V, No Switching
8
10
mA
VCL Supply Current
(Dynamic)
ICL (Dynamic)
Fs=300kHz, CLOAD= 3.3nF
30
42
mA
VCH1,2 Supply Current
(Static)
ICH (Static)
SS=0V, No Switching
9
11
mA
VCH1,2 Supply Current
(Dynamic)
ICH (Dynamic
Fs=300kHz, CLOAD= 3.3nF
30
42
mA
Under Voltage Lockout, Enable
VCC-Start Threshold
VCC_UVLO(R)
Supply ramping up
3.9
4.1
4.3
V
VCC-Stop Threshold
VCC_UVLO(F)
Supply ramping down
3.7
3.8
4.1
V
VCC-Hysteresis
Supply ramping up and down
0.15
0.25
0.3
V
Enable-Threshold
En_UVLO
Supply ramping up
1.14
1.24
1.34
V
Enable-Hysteresis
Supply ramping up and down
0.15
0.22
0.33
V
Oscillator
Frequency Range
FS
200
600
kHz
Accuracy
Fs=300kHz
-12
+12
%
Ramp Amplitude
Vramp
Note1
1.25
V
Min Duty Cycle
Dmin
Fb=1V
0
%
Min Pulse Width
Dmin(ctrl)
FS=300kHz, Note1
150
ns
Max duty Cycle
Dmax
FS=300kHz, Fb=0.6V
84
%
Sync Frequency Range
Sync(F)
20% above free running Freq
1200
kHz
Sync Pulse Duration
Sync(Pulse)
200
300
ns
Sync High Level Threshold
Sync(H)
2
V
Sync Low Level Threshold
Sync(L)
0.6
V
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