PT7615N

更新时间： 2024-01-16 23:28:45

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关
页数	文件大小	规格书
7页	173K
描述
20-A Low-Voltage Programmable Integrated Switching Regulator

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PT7615N 技术参数

是否无铅：	含铅	生命周期：	Obsolete
零件包装代码：	MODULE	包装说明：	, SIP27
针数：	27	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.84	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
控制模式：	VOLTAGE-MODE	最大输入电压：	5.5 V
最小输入电压：	4.5 V	标称输入电压：	5 V
JESD-30 代码：	R-XSMA-T27	功能数量：	1
端子数量：	27	最高工作温度：	85 °C
最低工作温度：	-40 °C	最大输出电流：	20 A
封装主体材料：	UNSPECIFIED	封装等效代码：	SIP27
封装形状：	RECTANGULAR	封装形式：	MICROELECTRONIC ASSEMBLY
认证状态：	Not Qualified	子类别：	Switching Regulator or Controllers
表面贴装：	NO	切换器配置：	SINGLE
最大切换频率：	400 kHz	技术：	HYBRID
温度等级：	INDUSTRIAL	端子形式：	THROUGH-HOLE
端子位置：	SINGLE	Base Number Matches：	1

PT7615N 数据手册

Application Notes continued

PT7708/09, PT7615

Using the Standby Function on 20-A

Programmable Switching Regulators

Figure 1

For applications requiring On/Off control of the output

voltage, the 20-A programmable regulators incorporate

a standby function. This feature may be used for power-

up/shutdown sequencing, or to change the output voltage

while input power is applied. See related note: “Pin-Coded

Output Voltage Adjustment of 20-A Programmable Regu-

lators”

VID4

VID0

Rem Sns (+)

20-25

7-11

Vin

PT770x/PT761x

V_o=3.3V

Synch

Out

STBY

GND

13-19

Rem Sns (–)

The standby function is provided by the STBY* control,

pin 5. If pin 5 is left open-circuit the regulator operates

normally, providing a regulated output whenever a valid

supply voltage is applied to V_in(pins 7-11) with respect to

C_in

C_out

BSS138

Inhibit

COM

GND (pins 13-19). Connecting pin 5 to ground will set

COM

the regulator output to zero volts . This places the regu-

lator in standby mode, and reduces the input current to

typcially 30mA (60mA max). If a ground signal is applied

to pin 5 prior to power-up, the regulator output will be

held at zero volts during the period that input power is

applied.

Turn-On Time: Turning Q₁in Figure 1 off, removes the

low-voltage signal at pin 5 and enables the output.

Following a delay of approximately 10ms, the regulator

output voltage rises to full regulation within 30ms ³.

Figure 2 shows the typical output voltage waveform of a

PT7709 following the turn-off of Q₁at time t =0 secs.

The output voltage is set to 3.3V by connecting VID0

(pin 1), VID2 (pin 3), and VID3 (pin 4) to the ‘Rem

Sns (–)’, (pin 12)^*. The waveform was measured with a

+5V input source voltage, and 10-A resistive load.

The standby input must be controlled with an open-

collector (or open-drain) discrete transistor (See Figure 1).

Table 1 gives the input requirements.

Table 1 Standby Control Input Requirements ^{(1, 2)}

Parameter

Min

Typ

Max

Enable

Disable

Open Cct.

0.8V

–0.2V

0.5mA

stby (low)

Vstby (o/c)

Figure 2

Notes:

V_o(2V / Div)

1. The Standby input must be controlled using an open-

collector (or open-drain) discrete transistor. Do Not use a

pull-up resistor. The control input has an open-circuit

voltage equal to V_in. To set the regulator output to zero,

the control pin must be “pulled” to less than 0.8Vdc with a

0.5mA sink to ground.

I_in10A / Div)

2. When placed in the standby mode, the regulator output

discharges the output capacitance with a low impedance to

ground.

3. The turn-off time of Q₁, or rise time of the standby input

is not critical with these regulators. Turning Q₁off slowly,

over periods up to 100ms, will not affect regulator operation.

A slow turn-off time will merely increase both the initial

delay and rise-time of the output voltage.

t (milli - secs)

Consult the data sheet for details on other VID codes.

For technical support and more information, see inside back cover or visit www.ti.com

1 2 3 456 7

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与PT7615N相关器件

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PT7616	DIODES	获取价格	DIODE MODULE 75A/1200V/1600V
PT7671	TI	获取价格	30-A Programmable Integrated Switching Regulator
PT7671-5V	TI	获取价格	30-A Programmable Integrated Switching Regulator
PT7671A	TI	获取价格	30-A Programmable Integrated Switching Regulator
PT7671C	TI	获取价格	30-A Programmable Integrated Switching Regulator
PT7671N	TI	获取价格	30-A Programmable Integrated Switching Regulator
PT7673	TI	获取价格	30-A 5-Bit Programmable Integrated Switching Regulator
PT7673A	TI	获取价格	30-A 5-Bit Programmable Integrated Switching Regulator
PT7673C	TI	获取价格	30-A 5-Bit Programmable Integrated Switching Regulator
PT7673N	TI	获取价格	30-A 5-Bit Programmable Integrated Switching Regulator

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