参数资料
型号: IR3623MPBF
厂商: International Rectifier
文件页数: 3/27页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 32MLPQ
标准包装: 73
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1.2MHz
占空比: 85%
电源电压: 8.5 V ~ 14.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 管件
IR3623MPbF
Recommended Operating Conditions
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
Electrical Specifications
Unless otherwise specified, these specification apply over Vcc=12V, 0 o C<Tj<105 o C
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Output Voltage Accuracy
FB1, FB2 Voltage
Accuracy
V FB
-1
0.8
+1
V
%
-40 C<Tj< 125 C, Note2
o o
-2.5
+1.35
%
Supply Current
V CC Supply Current
I CC (Static)
SS=0V, No Switching
-
10
17
mA
(Static)
Under Voltage Lockout
V CC -Threshold
V CC -Hysteresis
Enable-Threshold
Enable-Hysteresis
5V_sns-Threshold
5V_sns_Hysteresis
V CC _UVLO(R)
V CC _UVLO(F)
Vcc-Hyst
En_UVLO(R)
En_UVLO(F)
En_Hyst
5V_sns_UVLO(R)
5V_sns_UVLO(F)
5V_sns_Hyst
Supply ramping up
Supply ramping down
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
Ph_En, PWM 1,2
Drive Current
Input Voltage High
Input Voltage Low
I (drive)
10
V out3 -1
0.8
mA
V
V
Internal Regulator
Output Accuracy
V out3
7.6V<Vcc<14.5V
4.9
5.15
5.4
V
Isource=0 to 200mA
Output Curret
Io
200
mA
Oscillator
Frequency
Frequency Range
F S
Fs(range)
Rt=62K
See Figure 16
510
200
617
690
1200
kHz
kHz
Ramp Amplitude
Min Duty Cycle
Min Pulse Width
Max duty Cycle
Vramp
Dmin
Dmin(ctrl)
Dmax
Note1
Fb=1V
F S =300kHz, Note1
F S =300kHz, Fb=0.6V
85
1.25
0
150
V
%
ns
%
Sync Frequency Range
Sync Pulse Duration
20% above free running Freq
200
300
2400
kHz
ns
Sync High Level
Note1
2
V
Threshold
Sync Low Level
Note1
0.8
V
Threshold
www.irf.com
January 28, 2013
3
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