参数资料
型号: IR3651STRPBF
厂商: International Rectifier
文件页数: 6/19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
Parameter
SYM
Test Condition
Min
TYP
MAX
Units
Error Amplifier
Input Bias Current
Source/Sink Current
Transconductance
I FB
I(source/Sink)
gm
SS=3V, Fb=1V
50
1500
-0.1
85
2400
-0.4
120
3000
μ A
μ A
μ mho
Soft Start/SD
Soft Start Current
Shutdown
Output
I SS
SD
SS=0V
15
20
25
0.25
μ A
V
Threshold
Over Current Protection
OCSET Current
I OCSET
7.5
10
12.5
μ A
Hiccup Current
Hiccup Duty Cycle
I Hiccup
Hiccup(duty)
Note2
I Hiccup / I SS , Note2
3
5
μ A
%
Output Drivers
LO, Drive Rise Time
Tr(Lo)
CL=1.5nF
10
20
ns
See Fig 2, Note2
HI Drive Rise Time
Tr(Hi)
CL=1.5nF,
10
20
ns
See Fig 2, Note2
LO Drive Fall Time
Tf(Lo)
CL=1.5nF
10
20
ns
See Fig 2, Note2
HI Drive Fall Time
Tf(Hi)
CL=1.5nF,
10
20
ns
See Fig 2, Note2
Dead Band Time
Upper Driver Source
Tdead
I upper(source)
See Fig 2
HDrv short circuit
pulsed
30
45
1.0
100
ns
A
Current
current. PW<10us
Upper Driver Sink
I upper(sink)
HDrv short circuit
pulsed
1.0
A
Curret
current. PW<10us
Lower Driver Source
I lower(source)
LDrv short circuit
pulsed
1.0
A
Current
current. PW<10us
Lower Driver Sink
I lower(sink)
LDrv short circuit
pulsed
1.0
A
Current
current. PW<10us
Note1: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
Note2: Guaranteed by Design but not tested in production.
High Side Driver
(HDrv)
9V
2V
Tr
Tf
9V
Low Side Driver
(LDrv)
2V
Deadband
H_to_L
Tr
Tf
Deadband
L_to_H
Fig. 2: Definition of Rise/Fall time and Deadband Time
06/08/2011
6
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