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参数资料
| 型号： | TPS54426PWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 7.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | GREEN, PLASTIC, HSSOP-14 |
| 文件页数： | 22/26页 |
| 文件大小： | 945K |
| 代理商： | TPS54426PWP |
VBST
VO
SW3
SW1
SW2
VIN3
VIN1
VIN2
VFB
VREG5
GND
SS
PG
EN
PGND2
PGND1
POWER PAD
16
7
5
6
2
3
4
1
15
12
11
9
8
10
14
13
POWER PAD
SW1
VBST
SS
VO
VFB
GND
PGND1
14
7
5
6
2
3
4
1
VIN2
EN
PG
VREG5
13
12
11
9
8
PGND2
10
SW2
VIN1
www.ti.com
SLVSAD6B – AUGUST 2010 – REVISED NOVEMBER 2010
RSA PACKAGE
DEVICE INFORMATION
(TOP VIEW)
PWP PACKAGE
(TOP VIEW)
PIN FUNCTIONS
PIN
DESCRIPTION
NAME
NUMBER
PWP 14
RSA 16
VO
1
16
Connect to output of converter. This terminal is used for On-Time Adjustment.
VFB
2
1
Converter feedback input. Connect to output voltage with feedback resistor divider.
5.5 V power supply output. A capacitor (typical 1 F) should be connected to GND. VREG5 is not
VREG5
3
2
active when EN is low.
SS
4
3
Soft-start control. A external capacitor should be connected to GND.
GND
5
4
Signal ground pin.
PG
6
5
Open drain power good output.
EN
7
6
Enable control input. EN is active high and must be pulled up to enable the device.
PGND1,
Ground returns for low-side MOSFET. Also serve as inputs of current comparators. Connect
8, 9
7, 8
PGND2
PGND and GND strongly together near the IC.
Switch node connection between high-side NFET and low-side NFET. Also serve as inputs to
SW1, SW2
10, 11
9, 10, 11
current comparators.
Supply input for high-side NFET gate driver (boost terminal). Connect capacitor from this pin to
VBST
12
respective SW1, SW2 terminals. An internal PN diode is connected between VREG5 to VBST pin.
Power input and connected to high side NFET drain. Supply input for 5-V internal linear regulator
VIN1, VIN2
13, 14
13, 14, 15
for the control circuitry.
Thermal pad of the package. Must be soldered to achieve appropriate dissipation. Should be
PowerPAD
Back side
connected to PGND.
Copyright 2010, Texas Instruments Incorporated
5
Product Folder Link(s) :TPS54426
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相关代理商/技术参数 |
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| TPS54426PWP | 制造商:Texas Instruments 功能描述:IC BUCK SYNC ADJ 14HTSSOP 制造商:Texas Instruments 功能描述:IC, BUCK, SYNC, ADJ, 14HTSSOP 制造商:Texas Instruments 功能描述:IC, BUCK, SYNC, ADJ, 14HTSSOP; Primary Input Voltage:18V; No. of Outputs:1; Output Current:10mA; Voltage Regulator Case Style:HTSSOP; No. of Pins:14; Operating Temperature Min:-40C; Operating Temperature Max:85C; SVHC:No SVHC ;RoHS Compliant: Yes |
| TPS54426PWPR | 功能描述:直流/直流开关转换器 4.5-18V Inp,4A Synch SWIFT Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS54426RSAR | 功能描述:直流/直流开关转换器 4.5V-18Vin,4A Synch Step-Down SWIFT RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS54426RSAT | 功能描述:直流/直流开关转换器 4.5V-18Vin,4A Synch Step-Down SWIFT RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS54427 | 制造商:TI 制造商全称:Texas Instruments 功能描述:4.5V to 18 V Input, 4-A Output Single Synchronous Step-Down Switcher with Integrated FET (SWIFTa?￠) |
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