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TL598MFK

更新时间： 2024-09-26 20:42:15
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
17页 586K
描述
0.25A SWITCHING CONTROLLER, 300kHz SWITCHING FREQ-MAX, CQCC20

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TL598MFK 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：QCCN, LCC20,.35SQReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.78模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：40 V最小输入电压：7 V
JESD-30 代码：S-CQCC-N20长度：8.89 mm
功能数量：1端子数量：20
最高工作温度：125 °C最低工作温度：-55 °C
最大输出电流：0.25 A封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：QCCN封装等效代码：LCC20,.35SQ
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：2.03 mm子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：26 mA表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：300 kHz
技术：BIPOLAR温度等级：MILITARY
端子形式：NO LEAD端子节距：1.27 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：8.89 mmBase Number Matches：1

TL598MFK 数据手册

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ꢀꢁ ꢂꢃ ꢄ  
ꢅꢆꢁ ꢇ ꢈꢉꢊ ꢋꢌꢀ ꢍꢉꢎ ꢏ ꢌꢆꢁ ꢐꢀ ꢋꢏ ꢑ ꢒꢏ ꢑꢀ ꢓꢏ ꢁ ꢒ ꢋꢓ ꢒꢆ ꢋ ꢀꢇ  
ꢔ
SLVS053D − FEBRUARY 1988 − REVISED NOVEMBER 2003  
D OR N PACKAGE  
(TOP VIEW)  
D
D
Complete PWM Power-Control Function  
Totem-Pole Outputs for 200-mA Sink or  
Source Current  
ERROR  
AMP 2  
ERROR  
AMP 1  
1IN+  
1IN−  
2IN+  
2IN−  
REF  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
D
D
D
D
Output Control Selects Parallel or  
Push-Pull Operation  
FEEDBACK  
DTC  
OUTPUT CTRL  
Internal Circuitry Prohibits Double Pulse at  
Either Output  
CT  
V
CC  
RT  
V
C
Variable Dead-Time Provides Control Over  
Total Range  
SIGNAL GND  
OUT1  
POWER GND  
OUT2  
Internal Regulator Provides a Stable 5-V  
Reference Supply, Trimmed to 1%  
Tolerance  
D
D
D
On-Board Output Current-Limiting  
Protection  
Undervoltage Lockout for Low-V  
CC  
Conditions  
Separate Power and Signal Grounds  
description/ordering information  
The TL598 incorporates all the functions required in the construction of pulse-width-modulated (PWM)  
controlled systems on a single chip. Designed primarily for power-supply control, the TL598 provides the  
systems engineer with the flexibility to tailor the power-supply control circuits to a specific application.  
The TL598 contains two error amplifiers, an internal oscillator (externally adjustable), a dead-time control (DTC)  
comparator, a pulse-steering flip-flop, a 5-V precision reference, undervoltage lockout control, and output  
control circuits. Two totem-pole outputs provide exceptional rise- and fall-time performance for power FET  
control. The outputs share a common source supply and common power ground terminals, which allow system  
designers to eliminate errors caused by high current-induced voltage drops and common-mode noise.  
The error amplifier has a common-mode voltage range of 0 V to V  
− 2 V. The DTC comparator has a fixed  
CC  
offset that prevents overlap of the outputs during push-pull operation. A synchronous multiple supply operation  
can be achieved by connecting RT to the reference output and providing a sawtooth input to CT.  
The TL598 device provides an output control function to select either push-pull or parallel operation. Circuit  
architecture prevents either output from being pulsed twice during push-pull operation. The output frequency  
1
ǒ
Ǔ. For single-ended applications:  
for push-pull applications is one-half the oscillator frequency fO +  
2 RT CT  
1
fO +  
.
RT CT  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
PDIP (N)  
SOIC (D)  
Tube of 25  
Tube of 40  
Reel of 2500  
TL598CN  
TL598CN  
0°C to 70°C  
TL598CD  
TL598C  
TL598CDR  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are  
available at www.ti.com/sc/package.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
ꢅꢓ ꢏ ꢌꢆ ꢒ ꢀꢋ ꢏ ꢑ ꢌ ꢐꢀꢐ ꢕꢖ ꢗ ꢘꢙ ꢚ ꢛꢜ ꢕꢘꢖ ꢕꢝ ꢞꢟ ꢙ ꢙ ꢠꢖꢜ ꢛꢝ ꢘꢗ ꢡꢟꢢ ꢣꢕꢞ ꢛꢜ ꢕꢘꢖ ꢤꢛ ꢜꢠ ꢥ  
ꢅꢙ ꢘ ꢤꢟꢞ ꢜ ꢝ ꢞ ꢘꢖ ꢗꢘ ꢙ ꢚ ꢜ ꢘ ꢝ ꢡꢠ ꢞ ꢕꢗ ꢕꢞꢛ ꢜꢕ ꢘꢖꢝ ꢡꢠ ꢙ ꢜꢦ ꢠ ꢜꢠ ꢙ ꢚꢝ ꢘꢗ ꢀꢠꢧ ꢛꢝ ꢋꢖꢝ ꢜꢙ ꢟꢚ ꢠꢖꢜ ꢝ  
ꢝ ꢜ ꢛ ꢖꢤ ꢛ ꢙꢤ ꢨ ꢛ ꢙꢙ ꢛ ꢖ ꢜꢩꢥ ꢅꢙ ꢘ ꢤꢟꢞ ꢜꢕꢘꢖ ꢡꢙ ꢘꢞ ꢠꢝ ꢝꢕ ꢖꢪ ꢤꢘꢠ ꢝ ꢖꢘꢜ ꢖꢠ ꢞꢠ ꢝꢝ ꢛꢙ ꢕꢣ ꢩ ꢕꢖꢞ ꢣꢟꢤ ꢠ  
ꢜ ꢠ ꢝ ꢜꢕ ꢖꢪ ꢘꢗ ꢛ ꢣꢣ ꢡꢛ ꢙ ꢛ ꢚ ꢠ ꢜ ꢠ ꢙ ꢝ ꢥ  
Copyright 2003, Texas Instruments Incorporated  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...17

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