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參數(shù)資料
| 型號(hào)： | ML9266 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Step-up DC/DC converter |
| 中文描述： | 升壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 112K |
| 代理商： | ML9266 |
■
Absolute Maximum Ratings (Ta=25
℃）
Paramenter
Symbol
Ratings
- 0.3V
～
7V
- 0.3
～
(VDD + 0.8V)
- 0.3V
～
(VDD + 0.3V) V
Unit
Supply Voltage
Vin
V
LX
Vss
I
LX
I
EXT
V
LX Pin Switch Voltage
V
Other I/O Pin Voltages
Lx Pin Switch Current
2.5
A
EXT Pin Driver Current
200
mA
℃
/W
℃
/W
℃
℃
Package Thermal Resistance
SOT-26
Pd
145
SOT-89-5
45
Operating Junction Temperature
Tj
Tstg
125
Storage Temperature Range
- 65 ~ +150
■
Electrical Characteristics
(Vin =1.5V, VDD=3.3V, I=0, Ta = 25
℃
, unless otherwise specified)
Parameter
Symbol
V
ST
V
DD
I
NO LOAD
I
SWITCH OFF
I
OFF
V
REF
F
S
D
MAX
Test Conditions
I
L
= 1mA
VDD pin voltage
V
IN
= 1.5V, V
OUT
= 3.3V
V
IN
= 6V
CE Pin = 0V, V
IN
= 4.5V
Close Loop, VDD = 3.3V
Min
Typ
Max
Units
Start-UP Voltage
V
Operating VDD Range
No Load Current I (V
IN
)
Switch-off Current I (VDD)
Shutdown Current I (V
IN
)
Feedback Reference Voltage
V
μ
A
μ
A
μ
A
V
Switching Frequency
VDD = 3.3V
KHz
Maximum Duty
VDD = 3.3V
%
LX ON Resistance
VDD = 3.3V
Current Limit Setting
I
LIMIT
VDD = 3.3V
A
EXT ON Resistance to VDD
VDD = 3.3V
EXT ON Resistance to GND
VDD = 3.3V
V
IN
= 1.5 ~ 2.5V, I
L
= 1mA
V
IN
= 2.5V, I
L
= 1 ~ 100mA
VDD = 3.3V
Line Regulation
△
V
LINE
△
V
LOAD
mV/V
Load Regulation
mV/mA
CE Pin Trip Level
V
Temperature Stability for Vout
T
S
T
SD
△
T
SD
ppm/
℃
℃
℃
Thermal Shutdown
Thermal Shutdown Hysterises
* Note: The CE pin shall be tied to VDD pin and inhibit to act the ON/OFF state whenever the VDD pin voltage
may reach to 5.5V or above.
--
--
--
10
--
--
--
--
--
0.4
--
165
--
10
--
5
--
--
0.8
1.2
0.25
--
50
--
95
--
5
--
--
0.3
--
--
2
1.225
1.25
1.275
--
450
--
--
17
--
--
0.01
1
2
--
6.5
--
75
--
--
0.98
1.05
ML9266
IPCore
P3 / 5
Rev. C, Sep 2005
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