|
|
|
부품번호 | TD7590 기능 |
|
|
기능 | 5A 240KHZ 36V PWM Buck DC/DC Converter | ||
제조업체 | Techcode | ||
로고 | |||
전체 13 페이지수
5A 240KHZ 36V PWM Buck DC/DC Converter
Datasheet
TD7590
General Description
The TD7590 is a 240 KHz fixed frequency
monolithic step down switch mode regulator
with a built in internal Power MOSFET. It
achieves 5A continuous output current over a
wide input supply range with excellent load
and line regulation.
The device includes a voltage reference,
oscillation circuit, error amplifier, internal
PMOS and etc.
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 100%. An enable
function, an over current protection function
and a short circuit protection function are
built inside. An internal compensation block
is built in to minimize external component
count.
The TD7590 serves as ideal power supply
units for portable devices.
Features
5A Constant Output Current
80mΩ RDSON
Switch
Internal
Power
PMOSTFOE2T63-5L
Up to 95% Efficiency
Fixed 240KHz Frequency
Wide 3.6V to 36V Input Voltage Range
Output Adjustable from 1.222V to 34V
Built in Frequency Compensation
Built in Thermal Shutdown Function
Built in Current Limit Function
TO-263 Package is Available
The minimum dropout up to 0.3V
Applications
Portable DVD
LCD Monitor / TV
Battery Charger
ADSL Modem
Telecom / Networking Equipment
Figure 1 Package Type of TD7590
September, 2006
Techcode Semiconductor Limited
1
5A 240KHZ 36V PWM Buck DC/DC Converter
Datasheet
TD7590
Recommended Operating Conditions
Parameter
Input Voltage
Operating Junction Temperature
Operating Ambient Temperature
Symbol
VIN
TJ
TA
Min.
3.6
-40
-40
Max.
36
125
85
Unit
V
ºC
ºC
Electrical Characteristics
VCC = 12V, Ta = 25℃ unless otherwise specified.
Parameters
Symbol
Test Condition
Input voltage
VIN
Shutdown Supply Current ISTBY
VEN=0V
Supply Current
ICC VEN=2V, VFB=1.3V
Feedback Voltage
Feedback Bias Current
Switch Current Limit
VFB VIN = 3.6V to 23V
IFB VFB=1.3V
ILIM
Oscillator Frequency
Frequency of Current
Limit or Short Circuit
Protection
FOSC
FOSC1
VFB=0V
EN Pin Threshold
VEN
EN Pin Input Leakage
Current
IH
IL
Internal PMOS RDSON
RDSON
Max. Duty Cycle
DMAX
Efficiency
η
Thermal Shutdown
TOTSD
VEN=2.5V
VEN=0.5V
VIN =12V, VFB=0V
VEN=12V, Iout=5A
VFB=0V, ISW=0.1A
VIN=12V ,Vout=5V
Iout=5A
Min. Typ. Max. Unit
3.6 36 V
30 90 uA
3.6 4 mA
1.185 1.222 1.26
0.1 0.5
6 6.5
V
uA
A
200 240 280 KHz
42 KHz
0.7 1.2 1.7 V
-0.1 -1 uA
-3 -10 uA
80 mΩ
100 %
- 92 - %
165 ºC
September, 2006
Techcode Semiconductor Limited
4
4페이지 5A 240KHZ 36V PWM Buck DC/DC Converter
Datasheet
TD7590
R2=2K
R1=6.2K
5.5V~36V
DC INPUT
TD7590
330uF
35V
15uh/5A
D1
SB540
5V5A
Fig10. TD7590 Typical Application Circuit (with ceramic output capacitor) @ 5V/5A
Note:In PCB layout. Reserved an area for CFF
R2=3.6K
R1=6.2K
4.5V~36V
DC INPUT
330uF
35V
TD7590
15uh/5A
D1
SB540
3.3V5A
Fig11. TD7590 Typical Application Circuit (with ceramic output capacitor) @ 3.3V/5A
Note:In PCB layout. Reserved an area for CFF
September, 2006
Techcode Semiconductor Limited
7
7페이지 | |||
구 성 | 총 13 페이지수 | ||
다운로드 | [ TD7590.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
TD7590 | 5A 240KHZ 36V PWM Buck DC/DC Converter | Techcode |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |