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參數(shù)資料
| 型號： | US3033 |
| 廠商： | Unisem Group |
| 英文描述： | PWM SWITCHER & LINEAR CONTROLLER IC |
| 中文描述： | 脈寬調(diào)制開關(guān) |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 79K |
| 代理商： | US3033 |
US3033
4-2
Rev. 1.5
1/14/99
ABSOLUTE MAXIMUM RATINGS
V
12
,V
12SW
Supply Voltages ............................................................. 20V
F.B 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)
θ
JA
=160
°
C/W
Linear Controller Section
PARAMETER
F.B Voltage Initial Accuracy V
FB2
F.B Voltage Total Variation
F.B Voltage Line Regulation
F.B Input Bias Current
Maximum Drive Current I
DRVMAX
V
FB2
=1V, V
FB1
=1.5V
V
12
Supply Current
Switching Controller Section
PARAMETER
F.B Voltage Initial Accuracy
F.B Voltage Total Variation
F.B Voltage Line Regulation
F.B Input Bias Current
Min On Time
SYM
TEST CONDITION
T
J
=25
°
C, Drv2=V
FB2
, C
L
=100uF
Drv2=V
FB2
, C
L
=100uF
10<V
12
<14V,Drv2=V
FB2
, C
L
=100uF
V
FB2
=1.25V
MIN TYP MAX UNITS
1.237
1.250
1.225
1.250
0.2
-1
50
5
1.262
1.275
V
V
%
uA
I
FB2
+1
mA
I
12
V
FB2
=1V, V
FB1
=1.5V, I
DRV2
=0
mA
SYM TEST CONDITION
V
FB1
T
J
=25
°
C
MIN TYP MAX UNITS
1.237
1.250
1.225
1.250
0.2
-1
800
1.262
1.275
V
V
%
uA
nS
I
FB1
V
FB1
=1.25V
V
FB1
is sq wave with 300 ns on
time and 2 uS off time
V
FB1
is sq wave with 300 ns off
time and 2 uS on time
I
SOURCE
=500uA, V
FB1
=1.5V
I
SINK
=500uA, V
FB1
=1V
V
FB1
=1V , V
FB2
=1.5V
V
FB1
=1V
V
FB1
=1.5V
Load=IRL3303
+1
Min Off Time
800
nS
Vhyst pin output-HI
Vhyst pin output-LO
Supply Current
Maximum Duty Cycle
Minimum Duty Cycle
Gate Drive Rise/Fall Time
11
V
V
mA
%
%
nS
1
I
12SW
D
MAX
D
MIN
V
GATE
10
100
0
70
ELECTRICAL SPECIFICATIONS
Unless otherwise specified the following specification applies over V
12
=V
12SW
=12V, and T
A
=0 to 70
°
C. Low duty
cycle pulse testing are used which keeps junction and case temperatures equal to the ambient temperature.
4
3
2
1
5
6
7
8
TOP VIEW
Drv1
V12sw
Vfb1
Vhyst
Gnd
Vfb2
Drv2
V12
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| US3033CS | PWM SWITCHER & LINEAR CONTROLLER IC |
| US3034 | 8 PIN PWM SWITCHER CONTROLLER IC |
| US3034CS | 8 PIN PWM SWITCHER CONTROLLER IC |
| US3036 | 8 PIN PWM SWITCHER CONTROLLER IC |
| US3036CS | 8 PIN PWM SWITCHER CONTROLLER IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| US3033CS | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:PWM SWITCHER & LINEAR CONTROLLER IC |
| US3034 | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:8 PIN PWM SWITCHER CONTROLLER IC |
| US3034CS | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:8 PIN PWM SWITCHER CONTROLLER IC |
| US3036 | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:8 PIN PWM SWITCHER CONTROLLER IC |
| US3036CS | 制造商:UNISEM 制造商全稱:UNISEM 功能描述:8 PIN PWM SWITCHER CONTROLLER IC |
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