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參數(shù)資料
| 型號： | RT9263ECX5 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | HIGH EFFICIENCY LOW SUPPLY CURRENT STEP UP DC/DC CONVERTER |
| 中文描述： | 高效率低電源電流升壓型DC / DC變換器 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 196K |
| 代理商： | RT9263ECX5 |
Preliminary
RT9263
DS9263-00 November 2001
www.richtek-ic.com.tw
5
Electrical Characteristics
(V
IN
= 1.5V, VDD set to 3.3V, Load Current = 0, T
A
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Start-UP Voltage
V
ST
I
L
= 1mA
Start-up to I
DD1
>
250
μ
A
--
0.98
1.05
V
Operating VDD Range
V
DD
0.8
--
6
V
No Load Current I (V
IN
)
I
NO LOAD
V
IN
= 1.5V, V
OUT
= 3.3V
--
47
--
μ
A
Switch-off Current I (VDD)
I
SWITCH OFF
V
IN
= 6V
--
17
--
μ
A
Shutdown Current I (V
IN
)
I
OFF
CE Pin = 0V, V
IN
= 4.5V
--
0.1
1
μ
A
Feedback Reference Voltage
V
REF
Close Loop, VDD = 3.3V
1.225
1.25
1.275
V
Switching Rate
F
S
VDD = 3.3V
--
550
--
KHz
Maximum Duty
D
MAX
VDD = 3.3V
--
92
--
%
LX
ON Resistance
VDD = 3.3V
--
0.25
--
Current Limit Setting
I
LIMIT
VDD = 3.3V
--
2
--
A
EXT ON Resistance to VDD
VDD = 3.3V
--
40
--
EXT ON Resistance to GND
VDD = 3.3V
--
30
--
Line Regulation
V
LINE
V
IN
= 1.5 ~ 2.5V, I
L
= 1mA
--
10
--
mV/V
Load Regulation
V
LOAD
V
IN
= 2.5V, I
L
= 1 ~ 100mA
--
0.25
--
mV/mA
CE Pin Trip Level
VDD = 3.3V
0.2
0.8
1.4
V
Temperature Stability for FB, LFB, LBI
T
S
Guaranteed by Design
--
50
--
ppm/
°
C
°
C
Thermal Shutdown
T
SD
Guaranteed by Design
--
165
--
Thermal Shutdown Hysterises
T
SD
Guaranteed by Design
--
10
--
°
C
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|---|---|
| RT9263EGX5 | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:High Efficiency, Low Supply Current, Step-Up DC/DC Converter |
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| RT9264CS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HIGH FREQUENCY HIGH EFFICIENCY STEP UP DC/DC CONVERTER |
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