CXSD62173AChas外部可调软启动和内置的集成输出放电软停止方法。软启动通过可编程定时来增加输出电压，以降低启动电流。软停止功能主动放电输出电容器。100kHz至1000kHz的可编程脉宽调制频率
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产品概述 返回TOP
产品特点 返回TOP
· Adjustable Output Voltage from +0.8V to +12V - 0.8V Reference Voltage - +1% Accuracy over Temperature
· Operates from An Input Battery Voltage Range of +2.7V to +28V
· 20mA Low Dropout Regulator (LDO) with Fixed 5. 3V Output
· Power-On-Reset Monitoring on LDO pin
· Excellent line and load transient responses
· PFM mode for increased light load efficiency
· Programmable PWM Frequency from 100kHz to 1000kHz
· Integrated 30mW at LDO=5V N-Channel MOSFET For High Side
· Integrated 12mW at LDO=5V N-Channel MOSFET For Low Side
· Integrated Bootstrap Forward P-CH MOSFET
· External Adjustable Soft-Start and Soft-Stop
· Selectable Forced PWM or automatic PFM/PWM mode
· Power Good Monitoring
· 70% Under-Voltage Protection
· 125% Over-Voltage Protection
· Current-Limit Protection
- Using Sense Low-Side MOSFET’s RDS(ON)
· Over-Temperature Protection
· TQFN-23 4mmx4mm package
· Lead Free and Green Device Available (RoHS Compliant)
应用范围 返回TOP
· Notebook
· Mother Board
· Table PC
· Hand-Held Portable
· AIO PC
· Set-top boxes
· 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
电路原理图 返回TOP
|
Switching Regulator > Buck Converter |
|||||||||||
|
Part_No |
Package |
Architectu |
No.of PWM Outpu |
Drive Lout (A) |
Vin(V) |
Fmax Khz |
Vref (V) |
R-Top (milohm) |
R-Sync (milohm) |
Iq (No load) (uA) |
|
|
min |
max |
||||||||||
|
TQFN5x6-28 |
CM |
1 |
5 |
4.5 |
26 |
380 |
0.8 |
50 |
20 |
1000 |
|
|
SOP-8 |
CM |
1 |
2 |
4.5 |
26 |
380 |
0.8 |
100 |
1000 |
||
|
SOP-8P |
CM |
1 |
4 |
4.5 |
26 |
380 |
0.8 |
80 |
1000 |
||
|
SOT23-5|TSOT23-5 |
CM |
1 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
25 |
|
|
SOT23-5 |
CM |
1 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
||
|
SOP-8 |
CM |
1 |
3 |
4.3 |
14 |
500 |
0.8 |
70 |
70 |
500 |
|
|
SOP-8P |
CM |
1 |
3 |
4.3 |
14 |
500 |
0.8 |
55 |
45 |
500 |
|
|
TDFN3x3-10 |
3 |
2.6 |
5.5 |
2000 |
0.8 |
110 |
110 |
460 |
|||
|
TDFN3x3-10 |
CM |
2 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
500 |
|
|
TDFN3x3-10 |
CM |
2 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
||
|
TDFN2x2-6 |
CM |
1 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
25 |
|
|
TDFN2x2-6 |
CM |
1 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
||
|
TDFN3x3-12 |
CM |
2 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
25 |
|
|
TDFN3x3-12 |
CM |
2 |
1 |
2.7 |
6 |
1500 |
0.6 |
280 |
250 |
||
|
TDFN 3x3 12 |
CM |
2 |
1 |
3 |
5.5 |
1500 |
0.6 |
280 |
250 |
30 |
|
|
TQFN3x3-20 |
CM |
3 |
2 |
2.9 |
5.5 |
1500 |
0.6 |
- |
- |
300 |
|
|
TDFN2x2-8 |
CM |
1 |
1 |
3.3 |
8 |
1500 |
0.6 |
280 |
250 |
25 |
|
|
SOP-8 |
CM |
1 |
2 |
4.5 |
24 |
340 |
0.925 |
110 |
110 |
1900 |
|
|
SOP-8P |
CM |
1 |
3 |
4.5 |
24 |
340 |
0.925 |
110 |
110 |
1900 |
|
|
SOP-8 |
CM |
1 |
2 |
4.5 |
24 |
340 |
0.92 |
130 |
130 |
1900 |
|
|
SOP-8P |
CM |
1 |
2 |
4.5 |
24 |
340 |
0.92 |
130 |
130 |
1900 |
|
|
SOP-8P |
CM |
1 |
3 |
4.5 |
24 |
340 |
0.92 |
85 |
85 |
1900 |
|
|
SOP-8P |
CM |
1 |
4 |
4.5 |
24 |
340 |
0.8 |
85 |
85 |
1900 |
|
|
TSOT-23-8A |
CM |
1 |
3 |
4.5 |
24 |
500 |
0.807 |
100 |
40 |
1000 |
|
|
TSOT-23-8A |
CM |
1 |
3 |
4.5 |
24 |
500 |
0.807 |
100 |
40 |
1000 |
|
|
TSOT-23-8A |
CM |
1 |
2 |
4.5 |
24 |
500 |
0.807 |
115 |
50 |
1000 |
|
|
SOP-8P |
CM |
1 |
3 |
4.5 |
24 |
1300 |
0.925 |
110 |
110 |
1900 |
|
|
SOP-8 |
CM |
1 |
2 |
4.5 |
24 |
340 |
0.925 |
110 |
110 |
1900 |
|
|
SOP-8P |
CM |
1 |
3 |
4.5 |
24 |
340 |
0.925 |
110 |
110 |
1900 |
|
|
TSOT-23-8A |
CM |
1 |
2 |
4.5 |
24 |
500 |
0.807 |
115 |
50 |
500 |
|
|
TSOT-23-8A |
CM |
1 |
3 |
4.5 |
24 |
500 |
0.807 |
100 |
40 |
500 |
|
|
TSOT-23-6 |
COT |
1 |
2 |
4.6 |
16 |
500 |
0.6 |
110 |
100 |
50 |
|
|
TSOT-23-6 |
COT |
1 |
2 |
4.6 |
16 |
500 |
0.8 |
95 |
40 |
50 |
|
|
TSOT-23-6 |
COT |
1 |
3 |
4.6 |
16 |
500 |
0.8 |
90 |
35 |
50 |
|
|
TSOT-23-8A |
CM |
1 |
2.5 |
4.5 |
24 |
500 |
0.807 |
140 |
60 |
1000 |
|
|
TSOT-23-6,TDFN2x2-6 |
COT |
1 |
3 |
4.6 |
16 |
500 |
0.6 |
110 |
80 |
50 |
|
|
SOP8P|TDFN3x3-10 |
CM |
1 |
2 |
2.5 |
6 |
1000 |
0.8 |
85 |
75 |
460 |
|
|
SOP8P|TDFN3x3-10 |
CM |
1 |
3.2 |
2.5 |
6 |
1000 |
0.8 |
85 |
75 |
460 |
|
|
SOP8P|TDFN3x3-10 |
CM |
1 |
4 |
2.5 |
6 |
500 |
0.8 |
85 |
75 |
460 |
|
|
SOP-8P |
CM |
1 |
5 |
2.5 |
6 |
1000 |
0.6 |
65 |
55 |
460 |
|
|
TDFN 2x2 12 |
CM |
1 |
3.5 |
2.7 |
5.5 |
1320 |
0.6 |
70 |
60 |
40 |
|
|
SOP-8 |
CM |
1 |
2 |
4.5 |
24 |
340 |
0.8 |
110 |
110 |
1900 |
|
|
SOP-8P |
CM |
1 |
3 |
4.5 |
24 |
340 |
0.8 |
110 |
110 |
1900 |
|
|
TDFN3x3-10 |
CM |
1 |
2 |
4.5 |
24 |
340 |
0.8 |
110 |
110 |
1900 |
|
|
TDFN3x3-10 |
CM |
1 |
3 |
4.5 |
24 |
340 |
0.8 |
110 |
110 |
1900 |
|
|
TSOT-23-8A |
CM |
1 |
2 |
4.5 |
24 |
500 |
0.791 |
115 |
50 |
1000 |
|
|
TSOT-23-8A |
CM |
1 |
3 |
4.5 |
24 |
500 |
0.791 |
100 |
40 |
1000 |
|
|
TSOT-23-8A |
CM |
1 |
3 |
7 |
24 |
500 |
0.791 |
100 |
40 |
1000 |
|
|
TDFN 2x2-6 |
CM |
1 |
1 |
3 |
5.5 |
1500 |
0.6 |
260 |
230 |
30 |
|
|
SOT23-5,TSOT23-5A |
CM |
1 |
1.2 |
3 |
5.5 |
1500 |
0.6 |
260 |
230 |
30 |
|
|
SOT23-5,TSOT23-5A |
CM |
1 |
1 |
3 |
5.5 |
1500 |
0.6 |
260 |
230 |
30 |
|
|
SOT23-5,TSOT23-5A |
CM |
1 |
1 |
3 |
5.5 |
1500 |
0.6 |
260 |
230 |
30 |
|
|
SOT23-5,TSOT23-5A |
CM |
1 |
1.2 |
3 |
5.5 |
1500 |
0.6 |
260 |
230 |
30 |
|
|
SOT23-5,TSOT23-5A |
CM |
1 |
1 |
3 |
5.5 |
1500 |
0.6 |
260 |
230 |
30 |
|
|
TSOT-23-8A |
CM |
1 |
2 |
4.5 |
24 |
800 |
0.807 |
115 |
50 |
1000 |
|
|
TSOT-23-8A |
CM |
1 |
3 |
4.5 |
24 |
800 |
0.807 |
100 |
40 |
1000 |
|
|
TSOT-23-8A |
CM |
1 |
2 |
4.5 |
24 |
500 |
0.807 |
115 |
50 |
1000 |
|
|
TDFN5x5-16 |
CM |
1 |
4 |
4.5 |
26 |
380 |
0.8 |
22 |
- |
1000 |
|
|
TDFN 2x2-8 |
CM |
1 |
0.8 |
4.5 |
5.5 |
1700 ~ 2300 |
0.6 |
300 |
|||
|
TQFN 4x4 22 |
COT |
1 |
8 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
9 |
700 |
|
|
TQFN4x4-23 |
COT |
1 |
6 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
9 |
750 |
|
|
TQFN 4x4 23 |
COT |
1 |
8 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
9 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
8 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
9 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
10 |
2.7 |
28 |
100~1000 |
0.8 |
27 |
7 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
10 |
2.7 |
28 |
100~1000 |
0.8 |
27 |
7 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
10 |
2.7 |
28 |
100~1000 |
0.8 |
27 |
7 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
10 |
2.7 |
28 |
100~1000 |
0.8 |
27 |
7 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
8 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
9 |
25 |
|
|
TQFN 4x4 23 |
COT |
1 |
6 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
12 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
6 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
12 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
6 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
12 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
6 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
12 |
700 |
|
|
TQFN 4x4 23 |
COT |
1 |
8 |
2.7 |
28 |
100~1000 |
0.8 |
30 |
12 |
25 |
|
|
TQFN5x5 30 |
COT |
1 |
12 |
2.7 |
28 |
300~1000 |
0.8 |
9.7 |
5.2 |
700 |
|
|
TQFN5x5 30 |
COT |
1 |
12 |
2.7 |
28 |
300~1000 |
0.8 |
14.6 |
7.8 |
750 |
|
|
TQFN5x6-28 |
COT |
1 |
8 |
3 |
25 |
500 |
0.75 |
12 |
12 |
400 |
|
|
TDFN3x3-10 |
CM |
1 |
3 |
2.6 |
6 |
1000 |
0.6 |
65 |
55 |
460 |
|
|
TDFN3x3-10 |
CM |
1 |
3 |
2.6 |
5.5 |
1000 |
0.6 |
65 |
55 |
65 |
|
|
TDFN3x3-10 |
CM |
1 |
3 |
2.6 |
6 |
1000 |
0.6 |
75 |
55 |
460 |
|
|
TDFN3x3 10 |
CM |
1 |
3 |
2.6 |
6 |
1000 |
0.8 |
75 |
55 |
460 |
|
|
TDFN3x3 10 |
CM |
1 |
3 |
2.6 |
6 |
1000 |
0.8 |
75 |
55 |
460 |
|
|
TQFN3x3-16 |
COT |
1 |
8 |
6 |
28 |
500 |
0.6 |
24 |
14 |
80 |
|
|
TSOT23-6 |
CM |
1 |
1 |
2.7 |
5.5 |
1500 |
0.6 |
280 |
250 |
25 |
|
|
SOT23-6, TDFN2x2 8 |
CM |
1 |
3 |
2.6 |
6 |
1000 |
0.6 |
110 |
80 |
50 |
|
|
TDFN3x3-10 |
CM |
1 |
3 |
4.5 |
24 |
600 |
0.8 |
70 |
70 |
400 |
|
|
TQNF4x4 32 |
COT |
1 |
8 |
4.5 |
26 |
400~550 |
0.75 |
75 |
75 |
230 |
|
|
TQN 4x4 26 |
COT |
2 |
8 |
4.5 |
25 |
400~1400 (VDDQ) 1000(VPP) |
0.6V for VPPSMBUS for VDDQ=1.0V~1.2V |
20(VDDQ) 200(VPP) |
7(VDDQ) 200(VPP) |
270 |
|
◀ 上一篇:带Adj的高输入电压6A同步降压PWM转换器软启动CXSD62173 100kHz至1000kHz的可编程脉宽调制频率感测低边MOSFET的RDS
下一篇▶:限流保护CXSD62173C 100kHz至1000kHz的可编程脉宽调制频率精确的电流限制输出欠压和输出过压保护
