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參數(shù)資料
| 型號(hào)： | IRU3034 |
| 廠商： | International Rectifier |
| 英文描述： | 8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING |
| 中文描述： | 8引腳的PWM開關(guān)控制器芯片，限流 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大小： | 159K |
| 代理商： | IRU3034 |
IRU3034 & (PbF)
2
www.irf.com
ABSOLUTE MAXIMUM RATINGS
V
12
Supply Voltages .................................................. 20V
Fb Pin Voltages ......................................................... -0.3V To 5V
Storage Temperature Range ....................................... -65 To 150°C
Operating Junction Temperature ................................. 0 To 150°C
PACKAGE INFORMATION
8-PIN PLASTIC SOIC (S)
Fb Voltage Initial Accuracy
Fb Voltage Total Variation
Fb Voltage Line Regulation
Fb Input Bias Current
Minimum On Time
Minimum Off Time
V
HYST
Pin Output-HI
V
HYST
Pin Output-LO
Supply Current
Maximum Duty Cycle
Minimum Duty Cycle
Gate Drive Rise/Fall Time
CL Threshold Current
CS Comp Common Mode
Soft-Start Current
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, the following specification applies over V
12
=12V and T
A
=0 to 70 C. Low duty cycle
pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.
θ
JA
=160 C/W
Drv
V
12
V
FB
V
HYST
Gnd
CS-
CS+
SS
4
3
2
1
5
6
7
8
TOP VIEW
T
J
=25 C
V
FB
=1.25V
V
FB
is sq wave with 300ns on
time and 2
μ
s off time
V
FB
is sq wave with 300ns off
time and 2
μ
s on time
I
SOURCE
=500
μ
A, V
FB
=1.5V
I
SINK
=500
μ
A, V
FB
=1V
V
FB
=1V
V
FB
=1V
V
FB
=1.5V
Load=IRL3303
CS+, CS- from 1.3V to 3.7V
V
CS+
=V
CS-
V
FB
I
FB
I
12(SW)
D
MAX
D
MIN
V
GATE
I
CL
PARAMETER
SYM TEST CONDITION
MIN TYP MAX UNITS
1.237
1.225
1.250
0.2
-1
11
0
0
1.250
800
800
10
70
20
10
1.262
1.275
+1
1
100
4.5
V
V
%
μ
A
ns
ns
V
V
mA
%
%
ns
μ
A
V
μ
A
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