参数资料
型号: IR3651STRPBF
厂商: International Rectifier
文件页数: 5/19页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14-SOIC
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 460kHz
占空比: 80%
电源电压: 4.5 V ~ 13.2 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 125°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
配用: IRDC3651-ND - KIT REF DESIGN SYNCH BUCK REG
IR3651SPBF
Recommended Operating Conditions
Symbol
V bus
V cc
DRV cc
V b to V s
F s
Definition
Converting Voltage
Supply Voltage
Supply Voltage
Supply Voltage
Operating Frequency
Min
12
4.5
10
10
100
Max
100
13.2
16
16
400
Units
V
V
V
V
kHz
T j
Junction Temperature
-40
125
o
C
Electrical Specifications
Unless otherwise specified, these specifications apply over V cc =5V; DRV cc =Vb=12V, 0 o C<T j < 125 o C
Parameter
SYM
Test Condition
Min
TYP
MAX
Unit
s
Reference Voltage
Feedback Voltage
V FB
1.25
V
0 C<Tj<125 C
-40 C<Tj<125 C, Note1
Accuracy
o o
o o
-1.5
-3
+1.5
+1.5
%
%
Fb Voltage Line Regulation
LREG
5V<Vcc<12V
2.0
mV
Supply Current
V CC Supply Current (Stat)
V CC Supply Current (Dyn)
DRV cc Supply Current (Stat)
DRV cc Supply Current (Dyn)
Vb Supply Current (Stat)
Vb Supply Current (Dyn)
I CC(Static)
I CC(Dynamic)
I C(Static)
I C(Dynamic)
I b(Static)
I b(Dynamic)
SS=0V, No Switching
F s =200kHz, C LOAD =1.5nF
SS=0V, No Switching
F s =200kHz, C LOAD =1.5nF
SS=0V, No Switching
F s =200kHz, C LOAD =1.5nF
6
6
0.3
4
0.3
4.5
7
7
0.5
5
0.5
5.5
mA
mA
mA
mA
mA
mA
Under Voltage Lockout
V CC -Start-Threshold
V CC -Stop-Threshold
V CC -Hysteresis
DRV cc -Start-Threshold
DRV cc -Stop-Threshold
DRV Cc -Hysteresis
V b -Start-Threshold
V b -Stop-Threshold
V b -Hysteresis
V CC _UVLO(R)
V CC _UVLO(F)
DR cc _UVLO(R)
DRV cc _UVLO(F)
V b _UVLO(R)
V b _UVLO(F)
Supply ramping up
Supply ramping down
Supply ramping up and down
Supply ramping up
Supply ramping down
Supply ramping up and down
Supply ramping up
Supply ramping down
Supply ramping up and down
4.0
3.75
0.15
8.3
7.5
0.6
8.3
7.5
0.6
4.17
0.25
9
8.2
9
8.2
4.35
4.1
0.3
9.7
8.9
0.9
9.7
8.9
0.9
V
V
V
V
V
V
V
V
V
Oscillator
Frequency
F S
Rt=120K
170
200
230
kHz
Rt=51K
340
400
460
Ramp Amplitude
Min Duty Cycle
Min Pulse Width
Max Duty Cycle
V ramp
D min
D min(ctrl)
D max
Note2
Fb=2V
F s =200kHz, Note2
F s =200kHz, Fb=1.2V
80
1.25
0
200
V
%
ns
%
F s =400kHz, Fb=1.2V
70
Sync Frequency Range
Sync Pulse Duratin
Sync high Level Threshold
Sync Low Level Threshold
Sync(Fs)
Sync(puls)
Sync(H)
Sync(L)
20% above free running freq
200
2
480
0.8
kHz
ns
V
V
06/08/2011
5
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