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参数资料
| 型号： | TS2596CZ505 |
| 厂商： | Taiwan Semiconductor Co., Ltd. |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 3A Step Down Switching Voltage Regulator |
| 中文描述： | 第3A降压开关稳压器 |
| 文件页数： | 3/6页 |
| 文件大小： | 131K |
| 代理商： | TS2596CZ505 |
TS2596
3-6
2003/12 rev. D
Electrical Characteristics
(Continued)
Vin = 12V, I
L
= 500mA, Ta = 25
o
C unless otherwise specified.
TS2596 Adjustable
Feedback Voltage (Note 1)
0.2A
≤
I
L
≤
3A, 8V
≤
Vin
≤
40V,
Vout=5V (Figure 2)
0.96|Vo|
1.23
1.04|Vo|
V
Efficiency
Vin=12V, Vout=5V, I
L
=3A
--
75
--
%
All Output Voltage Version
(Vin= 12V, I
L
= 500mA)
Oscillator Frequency (Note 2)
127
150
173
kHz
Quiescent Current (Note 3)
--
5
10
mA
Standby Current
ENABLE =5V
--
70
200
uA
Saturation Voltage (Note 4)
I
LOAD
=3A
--
1.2
1.5
V
Feedback Bias Current
V
OUT
=5V (Adj. Version only)
--
50
100
nA
Duty Cycle (Note 5)
Operating (ON)
93
98
--
%
Current Limit (Note 2)(Note 4)
--
4.5
--
A
V
OUT
=0V
--
0.3
2
Output Leakage Current (Note 3)
V
OUT
=-1V
--
7.5
30
mA
V
IH
(V
OUT
=0V)
2.0
--
--
ENABLE Threshold Voltage
V
IL
(V
OUT
=Normal Output Voltage)
--
--
0.6
V
I
IH
(ENABLE =5V)
--
12
30
ENABLE Input Current
I
IH
(ENABLE =0V)
--
0
10
uA
Note 1: External components such as the catch diode, inductor, input and output capacitors can affect switching regulator
system performance. Refer to Application information for details.
Note 2: The oscillator frequency reduces when the second stage current limit is activated. The amount of reduction is
determined by the severity of current over load.
Note 3: For these parameters, FB is removed from V
OUT
and connected to +12V to force the output transistor OFF.
Note 4: V
OUT
pin sourcing current. No diode, inductor or capacitor connected to V
OUT.
Note 5: FB is removed from V
OUT
and connected to 0V.
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相关代理商/技术参数 |
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| TS2596CZ512 C0 | 制造商:SKMI/Taiwan 功能描述:TO-220-5L;3AMP STEP DOWN 12V S |
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| TS2596CZ55 | 制造商:TSC 制造商全称:Taiwan Semiconductor Company, Ltd 功能描述:3A Step Down Switching Voltage Regulator |
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