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PT6601B2

更新时间： 2024-02-12 01:22:26
品牌 Logo 应用领域
德州仪器 - TI 输入元件开关
页数 文件大小 规格书
6页 139K
描述
IC 9 A SWITCHING REGULATOR, 725 kHz SWITCHING FREQ-MAX, SMA14, ROHS COMPLIANT, SIP-14, Switching Regulator or Controller

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PT6601B2 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：MODULE包装说明：, SMSIP14H,1.3TB
针数：14Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.73其他特性：3.3V INPUT BUS CAPABLE
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
最大输入电压：6 V最小输入电压：4.5 V
标称输入电压：5 VJESD-30 代码：R-XSMA-G14
功能数量：1端子数量：14
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：9 A封装主体材料：UNSPECIFIED
封装等效代码：SMSIP14H,1.3TB封装形状：RECTANGULAR
封装形式：MICROELECTRONIC ASSEMBLY峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：725 kHz技术：HYBRID
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：2.54 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

PT6601B2 数据手册

 浏览型号PT6601B2的Datasheet PDF文件第1页浏览型号PT6601B2的Datasheet PDF文件第2页浏览型号PT6601B2的Datasheet PDF文件第3页浏览型号PT6601B2的Datasheet PDF文件第4页浏览型号PT6601B2的Datasheet PDF文件第6页 
Application Notes  
PT6600 Series  
Figure 1  
Using the Standby Function on the  
PT6600 5V Bus Converters  
1
Vo(sense)  
For applications requiring output voltage On/Off control,  
the 14-pin PT6600 ISR series incorporates a standby  
function. This function may be used in applications that  
require power-up/shutdown sequencing, and wherever  
there is a requirement for the output status of the module  
to be controlled by external circuitry.  
4,5,6  
11,12,13  
Vin  
Vo  
Vin  
Vo  
PT6600  
STBY  
GND  
Vo(adj)  
+
+
3
7,8,9,10 14  
Cin  
Cout  
COM  
COM  
The standby function is provided by the STBY* control,  
pin 3. If pin 3 is left open-circuit the regulator operates  
normally, and provides a regulated output when a valid  
supply voltage is applied to V (pins 4, 5, & 6) with re-  
spect to GND (pins 7-10). Ifina low voltage2 is then  
applied to pin-3 the regulator output will be disabled and  
the input current drawn by the ISR will drop to less than  
50mA4. The standby control may also be used to hold-off  
the regulator output during the period that input power is  
applied.  
Q1  
BSS138  
Inhibit  
+5V Vin  
Turn-On Time: In the circuit of Figure 1, turning Q on applies a  
1
low voltage to the Standby control (pin 3) and disables the  
regulator ouput. Correspondingly, turning Q1 off releases the  
low-voltage signal and enables the output. The PT6600 ISR  
series regulators have a fast response and will provide a fully  
regulated output voltage within 250 µsec. The actual turn-on  
time will vary with load and the total amount of output capaci-  
tance. The waveform of Figure 2 shows the typical output  
voltage response of a PT6601 (3.3V) following the turn-off of  
Q1 at time t = 0.0 secs. The waveform was measured with a  
5Vdc input voltage, and 0.6Ω load.  
The standby control pin is ideally controlled using an  
open-collector (or open-drain) discrete transistor (See  
Figure 1). It may also be driven directly from a dedicated  
TTL3 compatible gate. Table 1 provides details of the  
threshold requirements.  
(2,3)  
Table 1 Inhibit Control Thresholds  
Parameter  
Min  
Max  
Enable (V  
Disable (V  
)
)
1V  
–0.1V  
5V  
0.35V  
IH  
IL  
Notes:  
1. The Standby/Inhibit control logic is similar for all Power  
Trends’ modules, but the flexibility and threshold  
tolerances will be different. For specific information on  
this function for other regulator models, consult the  
applicable application note.  
Figure 2  
2. The Standby control pin is ideally controlled using an  
open-collector (or open-drain) discrete transistor and  
requires no external pull-up resistor. The control input has  
an open-circuit voltage of about 1Vdc. To disable the  
regulator output, the control pin must be pulled to less  
than 0.35Vdc with a low-level 0.5mA sink to ground.  
3. The Standby input on the PT6600 series may be driven by  
a differential output device, making it compatible with  
TTL logic. A standard TTL logic gate will meet the  
Vo (2V / Div)  
0.35V VIL(max) requirement (Table 1 ) at 0.5mA IOL  
Do not use devices that can drive the Standby control input  
above 5Vdc.  
.
-50  
0
50  
100  
150  
t ( s )  
200  
250  
300  
350  
µ
4. When the regulator output is disabled the current drawn  
from the input source is reduced to approximately 30–  
40mA (50mA maximum).  
For technical support and more information, see inside back cover or visit www.ti.com/powertrends  
123456

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