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參數(shù)資料
| 型號： | IRU3034CS |
| 英文描述： | 8 Pin PWM Switcher CIC with Current Limiting in a 8-Pin SOIC(NB) package |
| 中文描述： | 8引腳的PWM Switcher的議會與當(dāng)前在8引腳SOIC（注）封裝限制 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 83K |
| 代理商： | IRU3034CS |
4-4
Rev. 1.2
12/8/00
IRU3004, IRU3005
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over,V
12
= 12V, V
5
= 5V and Ta=0 to 70
°
C. Typical values
refer to Ta =25
°
C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the
ambient temperature.
ABSOLUTE MAXIMUM RATINGS
V5 supply Voltage ................................................. 10V
V12 Supply Voltage ................................................. 20V
Storage Temperature Range ...................................... -65 TO 150
°
C
Operating Junction Temperature Range ...................... 0 TO 125
°
C
PACKAGE INFORMATION
20-PIN WIDE BODY PLASTIC SOIC (W)
θ
JA
=85
°
C/W
PARAMETER
VID Section
DAC output voltage
(note 1)
DAC Output Line Regulation
DAC Output Temp Variation
VID Input LO
VID Input HI
VID input internal pull-up
resistor to V5
Power Good Section
Under voltage lower trip point
Under voltage upper trip point
UV Hysterises
Over voltage upper trip point
Over voltage lower trip point
OV Hysterises
Power Good Output LO
Power Good Output HI
Soft Start Section
Soft Start Current
SYM TEST CONDITION
MIN
TYP
MAX
UNITS
0.99Vs
Vs
1.01Vs
V
0.1
0.5
0.4
%
%
V
V
k
2
27
Vout ramping down
Vout ramping up
0.89Vs
0.90Vs
0.92Vs
.02Vs
1.10Vs
1.08Vs
.02Vs
0.91Vs
V
V
V
V
V
V
V
V
.015Vs
1.09Vs
.025Vs
1.11Vs
Vout ramping up
Vout ramping down
.015Vs
.025Vs
0.4
RL=3mA
RL=5K pull up to 5V
4.8
CS+ =0V, CS- =5V
10
μ
A
Lin2
D0
D1
D2
D3
D4
Vfb3
SS
V12
LDrv
Ct / En
Lin1
Vfb1
Vfb2
V5
PGd
CS-
CS+
HDrv
Gnd
4
3
2
1
7
6
5
18
19
20
TOP VIEW
11
13
12
14
10
15
9
16
8
17
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