参数资料
型号: TPS54260DRCT
厂商: Texas Instruments
文件页数: 5/52页
文件大小: 0K
描述: IC REG BUCK ADJ 2.5A 10SON
标准包装: 1
系列: SWIFT™, Eco-Mode™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 58 V
输入电压: 3.5 V ~ 60 V
PWM 型: 电流模式
频率 - 开关: 100kHz ~ 2.5MHz
电流 - 输出: 2.5A
同步整流器:
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 10-VFDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 10-SON 裸露焊盘(3x3)
其它名称: 296-28102-6

www.ti.com
PIN CONFIGURATION
DEVICE INFORMATION
DGQ PACKAGE
(TOP VIEW)
SLVSA86A – MARCH 2010 – REVISED DECEMBER 2010
DRC PACKAGE
(TOP VIEW)
BOOT
1
10
PH
BOOT
1
10
PH
VIN
EN
SS/TR
RT/CLK
2
3
4
5
Thermal
Pad
(11)
9
8
7
6
GND
COMP
VSENSE
PWRGD
VIN
EN
SS/TR
RT/CLK
2
3
4
5
Thermal
Pad
(11)
9
8
7
6
GND
COMP
VSENSE
PWRGD
PIN FUNCTIONS
NAME
PIN
NO.
I/O
DESCRIPTION
BOOT
COMP
EN
GND
PH
POWERPAD
PWRGD
1
8
3
9
10
11
6
O
O
I
I
O
A bootstrap capacitor is required between BOOT and PH. If the voltage on this capacitor is below the
minimum required by the output device, the output is forced to switch off until the capacitor is refreshed.
Error amplifier output, and input to the output switch current comparator. Connect frequency compensation
components to this pin.
Enable pin, internal pull-up current source. Pull below 1.2V to disable. Float to enable. Adjust the input
undervoltage lockout with two resistors.
Ground
The source of the internal high-side power MOSFET.
GND pin must be electrically connected to the exposed pad on the printed circuit board for proper operation.
An open drain output, asserts low if output voltage is low due to thermal shutdown, dropout, over-voltage or
EN shut down.
Resistor Timing and External Clock. An internal amplifier holds this pin at a fixed voltage when using an
external resistor to ground to set the switching frequency. If the pin is pulled above the PLL upper threshold,
RT/CLK
5
I
a mode change occurs and the pin becomes a synchronization input. The internal amplifier is disabled and
the pin is a high impedance clock input to the internal PLL. If clocking edges stop, the internal amplifier is
re-enabled and the mode returns to a resistor set function.
SS/TR
VIN
VSENSE
4
2
7
I
I
I
Slow-start and Tracking. An external capacitor connected to this pin sets the output rise time. Since the
voltage on this pin overrides the internal reference, it can be used for tracking and sequencing.
Input supply voltage, 3.5 V to 60 V.
Inverting node of the transconductance ( gm) error amplifier.
Copyright ? 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS54260
5
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