参数资料
型号: PTH04T260WAST
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源模块
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封装: PLASTIC, DIP-10
文件页数: 10/36页
文件大小: 1162K
代理商: PTH04T260WAST
C Capacitance
F
T
ransient
mV/A
40
30
20
4
5000
4000
3000
1000
900
300
200
500
400
700
600
800
2000
10
6
5
8
7
9
PTH04T261 Type A
Ceramic Capacitors
Without TurboTrans
With TurboTrans
C Capacitance
F
T
ransient
mV/A
40
30
20
4
5000
4000
3000
1000
900
300
200
500
400
700
600
800
2000
10
6
5
8
7
9
PTH04T261 Type A
Ceramic Capacitors
Without TurboTrans
With TurboTrans
R
TT + 40
1 * CO 1500
C
O
300 * 1
kW
(2)
SLTS273E – SEPTEMBER 2006 – REVISED JULY 2009.................................................................................................................................................. www.ti.com
PTH04T261W - Type A Ceramic Capacitors
5-V Input
3.3-V Input
Figure 10. Capacitor Type A, 100 < C(
F) x ESR(m) ≤
Figure 11. Capacitor Type A, 100 < C(
F) x ESR(m) ≤
1000
(e.g. Ceramic)
Table 4. Type A TurboTrans CO Values and Required RTT Selection Table
Transient Voltage Deviation (mV)
5-V Input
3.3-V input
CO
RTT
CO
RTT
25% load step
50% load step
75% load step
Minimum
Required
Minimum
Required
(0.75 A)
(1.5 A)
(2.25 A)
Required Output
TurboTrans
Required Output
TurboTrans
Capacitance (
F)
Resistor (k
)
Capacitance (
F)
Resistor (k
)
25
50
75
300
open
300
open
20
40
60
300
open
300
open
15
30
45
400
93.1
340
226
10
20
30
700
15.8
610
23.2
8
16
24
960
6.49
840
9.76
6
12
18
1500
short
1300
short
RTT Resistor Selection
The TurboTrans resistor value, RTT can be determined from the TurboTrans programming equation:
Where CO is the total output capacitance in F. CO values greater than or equal to 1500 F require RTT to be
a short, 0
.
To ensure stability, a minimum amount of output capacitance is required for a given RTT resistor value. The
value of RTT must be calculated using the minimum required output capacitance determined from the
capacitor transient response charts above.
18
Copyright 2006–2009, Texas Instruments Incorporated
Product Folder Link(s): PTH04T260W PTH04T261W
相关PDF资料
PDF描述
PTH04T260WAS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T261WAZT 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T261WAST 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH05050YAZT 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH05050YAZ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
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PTH04T260WAZT 功能描述:DC/DC转换器 3A 2.2V-5.5Vin Adj Pwr Module RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸:
PTH04T260WP 制造商:TI 制造商全称:Texas Instruments 功能描述:3-A, 2.2-V to 5.5-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans⑩
PTH04T261W 制造商:TI 制造商全称:Texas Instruments 功能描述:3-A, 2.2-V to 5.5-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans⑩
PTH04T261WAD 功能描述:DC/DC转换器 3A 2.2V-5.5Vin Adj Pwr Module RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸: