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参数资料
| 型号： | TPS54350PWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 6.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, PLASTIC, HTSSOP-16 |
| 文件页数： | 16/32页 |
| 文件大小： | 762K |
| 代理商： | TPS54350PWP |
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TPS54350
SLVS456C OCTOBER 2003 REVISED OCTOBER 2004
www.ti.com
23
Figure 38
96.0
96.5
97.0
97.5
98.0
50 25
0
25
50
75
100 125 150
POWER GOOD THRESHOLD
vs
JUNCTION TEMPERATURE
PWRGD
Power
Goo
d
Threshold
%
TJ Junction Temperature 5C
Figure 39
0.8912
0.8910
0.8908
0.8906
0.8904
0.8902
0.8900
0.8898
50 25
0
25
50
75
100 125 150
INTERNAL VOLTAGE REFERENCE
vs
JUNCTION TEMPERATURE
V
re
f
Internal
V
oltage
Reference
V
TJ Junction Temperature 5C
VIN = 12 V
4.0
4.5
5.0
5.5
6.0
5.0
7.5
10.0
12.5
15.0
17.5
20.0
CURRENT LIMIT
vs
INPUT VOLTAGE
Current
Limit
A
VI Input Voltage V
TJ = 25°C
VI = 12 V
Figure 40
Figure 41
50
70
90
110
130
150
50 25
0
25
50
75
100 125 150
ON RESISTANCE
vs
JUNCTION TEMPERATURE
On
Resistance
m
W
TJ Junction Temperature 5C
VI = 12 V
IO = 0.5 A
Figure 42
1
1.25
1.50
1.75
2
100
150
200
250
300
PH
V
oltage
V
PH VOLTAGE
vs
SUPPLY CURRENT
I CC Supply Current mA
VI = 4.5 V
VI = 12 V
Figure 43
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0
10203040
50
607080
t Time ms
Slow
Start
Capacitance
SLOW START CAPACITANCE
vs
TIME
F
RSS = 2 k
Figure 44
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
250
350
450
550
650
750
Switching Frequency kHz
Power
Good
Delay
ms
POWER GOOD DELAY
vs
SWITCHING FREQUENCY
Figure 45
2
3
4
5
6
7
8
9
10
250
350
450
550
650
750
Hiccup
Time
ms
HICCUP TIME
vs
SWITCHING FREQUENCY
Switching Frequency kHz
Figure 46
Switching Frequency kHz
1
1.5
2
2.5
3
3.5
4
4.5
5
250
350
450
550
650
750
Slow
Start
Time
ms
INTERNAL SLOW START TIME
vs
SWITCHING FREQUENCY
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS54350PWP | 制造商:Texas Instruments 功能描述:IC's |
| TPS54350PWPG4 | 功能描述:直流/直流开关调节器 4.5 to 20V Inp 3A Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS54350PWPR | 功能描述:开关变换器、稳压器与控制器 4.5 to 20V Inp 3A Step-Down Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| TPS54350PWPRG4 | 功能描述:开关变换器、稳压器与控制器 4.5 to 20V Inp 3A Step-Down Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| TPS54352 | 制造商:TI 制造商全称:Texas Instruments 功能描述:4.5V TO 20 V INPUT 3-A OUTPUT SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FET |
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