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參數(shù)資料
| 型號(hào)： | AT1796-50 |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | 150kHz, 3A Step-Down Switching Regulator |
| 中文描述： | 150kHz的，第3A降壓型開(kāi)關(guān)穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 425K |
| 代理商： | AT1796-50 |
AT1796
Preliminary Product Information
150kHz, 3A Step-Down Switching Regulator
Electrical characteristics
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
2/15/2006 REV : 1.1 Email:
service@aimtron.com.tw
4
(
VCC = 12V , Ta =+25
, unless otherwise noted
. )
Values
Parameter
Symbol
Condition
Min. Typ. Max. Unit
Quiescent Current
I
OC
--
5
10
mA
Stand-by
quiescent Current
I
SQC
SHDN = 5V
--
80
200
μ
A
V
IL
V
IH
I
IL
I
IH
Active mode
Standby mode
Active mode
Standby mode
--
2.0
--
--
--
--
0.6
--
5
15
V
V
μ
A
μ
A
SHDN pin logic input
voltage threshold
0.02
5
SHDN pin logic input
current
<AT1796-3.3V>
Output voltage
V
OUT
4.75
0.2A
Vcc
I
LOAD
28V
3A
3.168
3.3
3.432
V
Efficiency
η
Vin = 12V , I
LOAD
= 3A
73
--
--
%
<AT1796-5.0V>
Output voltage
V
OUT
4.75
0.2A
Vcc
I
LOAD
28V
3A
4.8
5.0
5.2
V
Efficiency
η
Vin = 12V , I
LOAD
= 3A
--
80
--
%
<AT1796-ADJ>
FB voltage
V
FB
4.75
0.2A
Vin = 12V , I
LOAD
= 3A ,
V
OUT
= 3V
Vcc
I
LOAD
28V
3A
1.193
1.230 1.267
V
Efficiency
η
--
73
--
%
<Device parameters>
Saturation voltage
V
SAT
I
LOAD
= 3A
--
1.15
1.5
V
Oscillator frequency
F
OSC
127
150
173
kHz
Maximum duty cycle
D
MAX
FB = 0V
--
100
--
%
Minimum duty cycle
D
MIN
FB = 3.3V or 5V
--
0
--
%
Current limit
I
CL
Peak current
No diode . capacitor , inductor
FB = 12V ,
Switching OFF , OUT = 0V
Vcc =28V
3.6
4.5
5.0
A
I
L1
--
50
--
μ
A
Output leakage current
I
L2
--
2
30
mA
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| AT1796-50-PBF | 150kHz, 3A Step-Down Switching Regulator |
| AT1796-ADJ | 150kHz, 3A Step-Down Switching Regulator |
| AT1796-ADJ-PBF | 150kHz, 3A Step-Down Switching Regulator |
| AT1799S | 2A Step-Down Voltage Regulator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT1796-50-PBF | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:150kHz, 3A Step-Down Switching Regulator |
| AT1796-ADJ | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:150kHz, 3A Step-Down Switching Regulator |
| AT1796-ADJ-PBF | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:150kHz, 3A Step-Down Switching Regulator |
| AT1799 | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:2A Step-Down Voltage Regulator |
| AT1799S | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:2A Step-Down Voltage Regulator |
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