CXSD62541是一种高效的800 kHz、自适应恒流关断时间控制的非同步降压DC/DC稳压器，能够分别输出3A的输出电流。可以在5V到40V的宽输入电压范围内工作，并将主开关与极低的RDS（ON）集成，以将传导损耗降至最低。800kHz的开关频率可实现低输出电压纹波和小外部电感和电容器尺寸。
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产品概述 返回TOP
The CXSD62541 is a high efficiency 800 kHz, adaptive constant OFF time controlled non-synchronous step-down DC/DC regulator capable of delivering 3A output current respectively. The CXSD62541 can operate over a wide input voltage range from 5V to 40V and integrate the main switch with very low RDS(ON) to minimize the conduction loss.Low output voltage ripple and small external inductor and capacitor sizes are achieved with 800 kHz switching frequency.
产品特点 返回TOP
· 5-40V Input Voltage Range
· Low RDS(ON) for Internal N-Channel Power FET:180mΩ
· 800kHz Switching Frequency
· Adaptive Constant OFF Time Control
· Internal Softstart Limits The Inrush Current
· 2% 0.6V Reference
· Rohs Compliant and Halogen Free
· Compact Package: SO8E
应用范围 返回TOP
· Set Top Box
· Portable TV
· Access Point Router
· DSL Modem
· LCD TV
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
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电路原理图 返回TOP
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Single Output Step Down Regulator (Integrated Switch) |
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|
Number |
Vin (min) (V) |
Vin (max) V |
UVLO (V) |
Iout (max) (A) |
Vout (min) (V) |
Out. Voltage Acurracy |
Quiescent Current Typ (uA) |
Shutdown Current (uA) |
MOSFET (Ron H) (mΩ) |
MOSFET (Ron L) (mΩ) |
|
2.5 |
5.5 |
2.5 |
3.5 |
0.6 |
±1.5% |
18 |
0.1 |
55 |
35 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
5.5 |
2.4 |
1.2 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
|
2.5 |
5.5 |
2.4 |
0.6 |
0.6 |
±1.5% |
50 |
0.1 |
300 |
200 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
|
2.5 |
5.5 |
2.5 |
1 |
3.3 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
|
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±1.5% |
50 |
0.1 |
180 |
120 |
|
|
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±1.5% |
50 |
0.1 |
180 |
120 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
60 |
0.1 |
260 |
170 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
60 |
0.1 |
260 |
170 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
60 |
0.1 |
260 |
170 |
|
|
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±2% |
90 |
0.1 |
180 |
120 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
90 |
0.1 |
250 |
200 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
6.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
6.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
270 |
160 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.7 |
5.5 |
2.5 |
3 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.7 |
5.5 |
2.5 |
3 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.7 |
5.5 |
2.65 |
3 |
0.6 |
±2% |
55 |
0.1 |
100 |
80 |
|
|
2.7 |
5.5 |
2.65 |
3 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±2% |
60 |
0.1 |
210 |
130 |
|
|
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
120 |
90 |
|
|
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
2.7 |
6.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
125 |
95 |
|
|
2.7 |
6.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
125 |
95 |
|
|
2.7 |
5.5 |
2.7 |
2.5 |
0.6 |
±2% |
80 |
0.1 |
100 |
80 |
|
|
2.7 |
5.5 |
2.7 |
2.5 |
0.6 |
±2% |
80 |
0.1 |
100 |
80 |
|
|
2.7 |
5.5 |
1.8 |
3 |
0.6 |
±1% |
55 |
0.1 |
85 |
50 |
|
|
2.5 |
5.5 |
2.5 |
3 |
0.8 |
±1.5% |
18 |
0.1 |
75 |
55 |
|
|
2.5 |
5.5 |
2.5 |
3 |
0.6 |
±1.5% |
18 |
0.1 |
75 |
55 |
|
|
2.5 |
5.5 |
2.5 |
0.45 |
0.6 |
±2% |
1.5 |
0.1 |
400 |
200 |
|
|
1.85 |
5.5 |
1.85 |
0.6 |
0.4 |
±2% |
40 |
0.1 |
350 |
250 |
|
|
2.5 |
5.5 |
2.5 |
4 |
0.6 |
±1.5% |
18 |
0.1 |
75 |
55 |
|
|
2.7 |
5.5 |
2.7 |
5 |
0.6 |
±1.5% |
150 |
0.1 |
45 |
35 |
|
|
2.7 |
5.5 |
2.7 |
4 |
0.6 |
±1.5% |
60 |
0.1 |
35 |
15 |
|
|
2.5 |
5.5 |
2.5 |
4 |
0.7 |
±1% |
30 |
0.1 |
70 |
40 |
|
|
2.7 |
5.5 |
6 |
0.6 |
±1.5% |
150 |
0.1 |
40 |
30 |
||
|
3 |
5.5 |
2.8 |
5 |
0.6 |
±1.5% |
100 |
0.1 |
35 |
15 |
|
|
3 |
5.5 |
2.9 |
6 |
0.6 |
±1.5% |
100 |
0.1 |
35 |
15 |
|
|
2.75 |
6 |
2.7 |
6 |
0.6 |
±1.5% |
60 |
0.1 |
35 |
15 |
|
|
2.5 |
5.5 |
2.5 |
5 |
0.6 |
±1.5% |
18 |
0.1 |
55 |
35 |
|
|
2.7 |
6.5 |
2.7 |
6 |
0.6 |
±1.5% |
60 |
0.1 |
38 |
15 |
|
|
2.6 |
5.5 |
2.6 |
6 |
0.7125 |
±1.5% |
75 |
0.1 |
28 |
17 |
|
|
2.7 |
5.5 |
2.65 |
6 |
0.6 |
±1% |
50 |
0.1 |
35 |
15 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
0.6 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
1.2 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
1.5 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
1.8 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
2.5 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
3.3 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
1 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
1.2 |
0.6 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.75 |
5.5 |
2.75 |
2 |
0.6 |
±1.5% |
68 |
0.1 |
40 |
20 |
|
|
2.75 |
5.5 |
2.75 |
3 |
0.6 |
±1.5% |
68 |
0.1 |
35 |
15 |
|
|
2.7 |
5.5 |
2.7 |
4 |
0.6 |
±1.5% |
60 |
0.1 |
35 |
15 |
|
|
4.5 |
23 |
2.4 |
2 |
0.6 |
±1.5% |
100 |
5 |
105 |
50 |
|
|
4.5 |
18 |
4.5 |
5 |
0.6 |
±1% |
500 |
10 |
50 |
15 |
|
|
5 |
40 |
4.5 |
0.3 |
0.6 |
±2.0% |
160 |
5 |
2000 |
||
|
6 |
24 |
4.5 |
0.6 |
0.6 |
±2% |
400 |
5 |
420 |
200 |
|
|
4.5 |
55 |
4.5 |
0.8 |
0.6 |
±1% |
150 |
5 |
700 |
||
|
4.5 |
27 |
4.5 |
1 |
0.6 |
±2% |
400 |
5 |
350 |
150 |
|
|
4.5 |
27 |
4.5 |
1 |
0.6 |
±2% |
400 |
5 |
350 |
150 |
|
|
7 |
100 |
6.5 |
1 |
1.2 |
±2.0% |
400 |
5 |
500 |
240 |
|
|
7 |
85 |
6.8 |
1.2 |
1.2 |
±2.0% |
400 |
8 |
500 |
240 |
|
|
5 |
40 |
4.5 |
1.2 |
0.6 |
±2.0% |
160 |
5 |
180 |
180 |
|
|
4.5 |
18 |
4.45 |
2 |
0.6 |
±2% |
400 |
5 |
130 |
120 |
|
|
4.5 |
18 |
4.5 |
2 |
0.6 |
±2% |
400 |
5 |
140 |
130 |
|
|
4.5 |
18 |
4.5 |
2 |
0.81 |
±2% |
400 |
5 |
130 |
120 |
|
|
4.5 |
23 |
4.5 |
2 |
0.6 |
±1.5% |
100 |
5 |
130 |
60 |
|
|
4.5 |
23 |
4.5 |
2 |
0.6 |
±1.5% |
400 |
10 |
150 |
110 |
|
|
4.5 |
23 |
4.5 |
2 |
0.6 |
±1.5% |
400 |
10 |
150 |
110 |
|
|
5 |
40 |
4.5 |
2 |
0.6 |
±2.0% |
160 |
10 |
180 |
||
|
4.5 |
18 |
4.5 |
3 |
0.6 |
±1.5% |
100 |
5 |
80 |
40 |
|
|
4.5 |
18 |
4.5 |
3 |
0.6 |
±1.5% |
100 |
5 |
80 |
40 |
|
|
4.5 |
18 |
4.5 |
3 |
0.6 |
±1.5% |
100 |
5 |
80 |
40 |
|
|
4.5 |
18 |
4.5 |
3 |
0.6 |
±1.5% |
100 |
5 |
80 |
40 |
|
|
4.5 |
23 |
4.5 |
3 |
0.6 |
±1.5% |
400 |
10 |
120 |
85 |
|
|
4.5 |
23 |
4.5 |
3 |
0.6 |
±1.5% |
400 |
10 |
120 |
85 |
|
|
4.5 |
23 |
4.5 |
3 |
0.6 |
±1.5% |
100 |
5 |
105 |
50 |
|
|
4.5 |
23 |
4.5 |
3 |
0.6 |
±1.5% |
400 |
10 |
130 |
90 |
|
|
4.5 |
30 |
4 |
3 |
0.6 |
±1.5% |
200 |
5 |
90 |
60 |
|
|
4.5 |
40 |
4.35 |
3 |
0.6 |
±1.5% |
18 |
1 |
110 |
70 |
|
|
5 |
40 |
4.5 |
3 |
0.6 |
±2.0% |
160 |
10 |
180 |
||
|
4.5 |
18 |
4.5 |
4 |
0.6 |
±1.5% |
100 |
5 |
50 |
30 |
|
|
4.5 |
30 |
4 |
4 |
0.6 |
±1.5% |
200 |
5 |
80 |
50 |
|
|
4.5 |
18 |
4.5 |
5 |
0.6 |
±1.5% |
100 |
5 |
40 |
20 |
|
|
4.5 |
18 |
4.25 |
6 |
0.6 |
±1% |
500 |
10 |
50 |
15 |
|
|
4.5 |
30 |
4 |
5 |
0.6 |
±1.5% |
200 |
5 |
70 |
40 |
|
|
4 |
28 |
3.9 |
6 |
0.6 |
±1.5% |
100 |
3 |
40 |
20 |
|
|
4 |
28 |
3.9 |
8 |
0.6 |
±1% |
100 |
3 |
20 |
10 |
|
|
4 |
23 |
3.9 |
6 |
0.6 |
±1% |
120 |
6 |
38 |
19 |
|
|
4 |
28 |
3.9 |
10 |
0.6 |
±1.5% |
300 |
3 |
25 |
8 |
|
|
4 |
23 |
3.9 |
8 |
0.6 |
±1% |
80 |
3 |
30 |
10 |
|
|
4 |
23 |
3.9 |
8 |
0.6 |
±1% |
120 |
6 |
22 |
11 |
|
|
4 |
18 |
4.3 |
12 |
0.6 |
±1% |
500 |
10 |
16 |
4 |
|
|
4 |
18 |
3.9 |
16 |
0.6 |
±1.5% |
150 |
7 |
7.5 |
2.5 |
|
|
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
|
2.5 |
5.5 |
2.5 |
0.6 |
0.6 |
±1.5% |
50 |
0.1 |
300 |
200 |
|
◀ 上一篇:500kHz至2.5MHz可调开关频率高效的同步降压DC/DC转换器4.5V到40V输入电压3路输出电流CXSD62540
下一篇▶:4.5V到18V输入电压高效500kHz同步降压DC/DC转换器4.0A输出电流CXSD62542快速瞬态响应的瞬时PWM结构
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