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參數(shù)資料
| 型號： | KA7500CD |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Tantalum Conformal-Coated Capacitor; Capacitance: 10uF; Voltage: 20V; Packaging: Tape & Reel |
| 中文描述： | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | ROHS COMPLIANT, MS-012, SOP-16 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 71K |
| 代理商： | KA7500CD |
2003 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.1
Features
Internal Regulator Provides a Stable 5V Reference Supply
Trimmed to
±
1% Accuracy.
Uncommitted Output TR for 200mA Sink or Source
Current
Output Control for Push-Pull or Single-Ended Operation
Variable Duty Cycle by Dead Time Control (Pin 4)
Complete PWM Control Circuit
On-Chip Oscillator With Master or Slave Operation
Internal Circuit Prohibits Double Pulse at Either Output
Description
The KA7500C is used for the control circuit of the pulse
width modulation switching regulator. The KA7500C
consists of 5V reference voltage circuit, two error amplifiers,
flip flop, an output control circuit, a PWM comparator, a
dead time comparator and an oscillator. This device can be
operated in the switching frequency of 1kHz to 300kHz. The
precision of voltage reference (Vref) is improved up to
±
1%
with trimming. This provides a better output voltage
regulation. The operating temperature range is
-25
°
C ~ +85
°
C.
16-DIP
16-SOP
1
1
Internal Block Diagram
OSCILLATOR
6
5
4
1
2
16
15
3
7
14
12
10
11
9
8
13
BAND GAP
REFERENCE
1
2
+
_
+
_
0.7MA
D
CK
Q
Q
C1
E1
C2
E2
V
CC
V
REF
GND
COMP INPUT
OUTPUT CONTROL
5V
R
T
C
T
DEAD
TIME
CONTROL
EA(+)
EA(-)
EA(+)
EA(-)
1.2V
PWM
COMP
K A7500C
S MPS Controller
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| KA7500 | Variable Dead-Time Provides Control over Total Range Internal |
| KA7511 | SMPS Controller |
| KA7515 | Tantalum Conformal-Coated Capacitor; Capacitance: 2.2uF; Voltage: 20V; Packaging: Tape & Reel |
| KA7524B | Power Factor Correction Controller |
| KA7524BD | Tantalum Conformal-Coated Capacitor; Capacitance: 3.3uF; Voltage: 20V; Packaging: Tape & Reel |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA7500CDTF | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 SMPS Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| KA7511 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:SMPS Controller |
| KA7515 | 功能描述:其他電源管理 SMPS Controller RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| KA7520 | 制造商:Aten International 功能描述: |
| KA7524 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:POWER FACTOR CONTROLLER |
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