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參數(shù)資料
| 型號(hào)： | M7085L-SM1-R |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PFM STEP-DOWN DC-DC CONTROLLER |
| 中文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封裝： | LEAD FREE, MSOP-8 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 139K |
| 代理商： | M7085L-SM1-R |
M7085
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 8
QW-R502-092,A
ABS OLUT E MAX IMUM RAT ING
PARAMETER
Input Voltage
PGATE Voltage
FB Voltage
I
SENSE
Voltage
ADJ Voltage
Power Dissipation (T
A
=25
Junction Temperature
Storage Temperature
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
SYMBOL
V
IN
V
PGATE
V
FB
V
ISNS
V
ADJ
P
D
T
J
T
STG
RATINGS
-0.3 ~ 36
-0.3 ~ 36
-0.3 ~ 5
-1.0 ~ 36
-0.3 ~ 36
400
150
-65 ~ +150
UNIT
V
V
V
V
V
mW
)
OPERAT ING RAT INGS
PARAMETER
SYMBOL
T
OPR
RATINGS
4.5 ~ 35
-40 ~ +125
UNIT
V
Supply Voltage
Operating Junction Temperature
ELECT RICAL CHARACT ERIS T ICS
V
IN
= 12V, V
ISNS
= V
IN
1V, and V
ADJ
= V
IN
1.1V, Ta=25
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
1.224
1.215
TYP
1.240
MAX
1.256
1.265
UNIT
Feedback Voltage (Note 1)
V
FB
V
Minimum Driver Voltage
V
PGATE(MIN)
V
IN
= 4.5V V
FB
= 1.0V
I
GATE
= 100
μ
A sink
1.15
V
Comparator Hysteresis
V
HYS
10
15
110
880
0
5
320
16
21
+20
7.0
756
mV
R
ADJ
= 20
R
ADJ
= 160
V
FB
= 1.5V
V
FB
= 1.5V
V
FB
= 1.0V
Source
V
IN
= 7V, P
GATE
= 3.5V
Sink
V
IN
= 7V, P
GATE
= 3.5V
Source
I
SOURCE
= 100mA
Sink
I
SINK
= 100mA
V
ADJ
= 11.5V
V
ISNS
= 11.0V
V
FB
= 1.0V
V
ISNS
= V
ADJ
+0.1V
C
LOAD
on OUT = 1000Pf
(Note 4)
V
ISNS
= V
ADJ
+0.1V
V
FB
= 1.0V C
LOAD
on
OUT = 1000pF (Note 4)
Current Limit Comparator Trip Voltage V
CL
(Note2)
mV
Current Limit Comparator Offset
Current Limit ADJ Current Source
FB pin Bias Current (Note 3)
V
CL(OFF)
I
CL(ADJ)
I
FB
-20
3.0
mV
μA
nA
0.4
Driver Output Current
I
PGATE
0.3
A
5
Driver Resistance
R
PGATE
8
Current Limit One Shot off Time
T
CL
5
8
13
μS
Minimum on Time in Normal Operation
T
OPR(MIN)
110
ns
Minimum on Time in Current Limit
T
CL(MIN)
185
ns
Feedback Voltage Line Regulation
%V
FB
/
V
IN
4.5
≤
V
IN
≤
35V
0.010
%/V
Quiescent Current at Ground Pin
I
Q
FB = 1.5V (Not Switching)
300
500
μA
Note 1. The V
FB
is the trip voltage at the FB pin when PGATE switches from high to low.
2. V
CL
= I
CL_ADJ
* R
ADJ
3. Bias current flows out from the FB pin.
4. A 1000pF capacitor is connected between V
IN
and PGATE.
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