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부품번호 | ACE150x 기능 |
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기능 | PWM Step-Down DC/DC Converter | ||
제조업체 | ACE Technology | ||
로고 | |||
ACE150X
Technology 150KHz,2A, PWM Step-Down DC/DC Converter
Description
The ACE150x series are monolithic IC designed for a step-down DC/DC converter, and own the ability of
driving 2A load without additional transistor. It saves board space.
The Internal compensation makes feedback control having good line and load regulation without
external design. Regarding protected function, thermal shutdown is to prevent over temperature operating
from damage, and current limit is against over current operating of the output switch. If current limit
function occurs and VFB is down below 0.5V, the switching frequency will be reduced.
The ACE150x series operate at a switching frequency of 150KHz. Other features include a guaranteed
+4% tolerance on output voltage under specified input voltage and output load conditions, and +15% on
the oscillator frequency. The output version included fixed 3.3V, 5V, 12V, and an adjustable type. The
chips are available in a standard 8-lead SOP-8 package..
Features
• Guaranteed 2A output current
• 3.3V, 5V, 12V and adjustable output versions
• Thermal shutdown and current limit protection
• Internal oscillator of 150kHz fixed frequency.
• Built-in TTL On/Off control
Application
• One Channel switching regulators
• LCD Monitors
• High-efficiency step-down regulator
Absolute Maximum Ratings
Parameter
Symbol
Max
Unit
Input supply voltage
ON/OFF Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Power Dissipation
VCC
VSD
VFB
VOUT
PD
24
-0.3 to +18
-0.3 to +18
-1
Internally Limited
V
V
V
V
W
Thermal resistance junction to ambient
SOP-8
θJA
70 OC/W
Operating junction temperature
Storage temperature range
Operating temperature
TJ
TSTG
TOPR
150
- 60 to 150
-40 to +125
OC
OC
OC
Note : Exceeding these rating could cause damage to the device. All voltages are with respect to Ground. Currents are positive
into, negative out of the specified terminal.
www.DataSheet.in
VER 1.2 1
ACE150X
Technology 150KHz,2A ,PWM Step-Down DC/DC Converter
Electrical Characteristics
TA=25℃, VIN=12V for 3.3V,5V, and Adjustable version and VIN=18V for the 12V version, Io = 0.5A, unless Otherwise
specified.
Parameter
Output
Voltage
ACE1501/2-3.3
Efficiency
Output
Voltage
ACE1501/2-5.0
Efficiency
Output
Voltage
ACE1501/2-1.2
Efficiency
Feedback
Voltage
ACE1501/2-ADJ
Efficiency
Symbol
VOUT
η
VOUT
η
VOUT
η
VFB
η
Feedback bias Current
IFB
Oscillator Frequency
Oscillator Frequency OF Short
Circuit Protect
FOSC
FSCP
Conditions
5.5V<VIN<22V, 0.2A<ILOAD<2A
VIN=12V,ILOAD=2A
8V< VIN<22V , 0.2A<ILOAD<2A
VIN=12V,ILOAD=2A
15V<VIN<22V , 0.2A<ILOAD<2A
VIN=16V,ILOAD=2A
5V<VIN<22V, 0.2A<ILOAD<2A
VIN=12V,ILOAD=2A
VFB = 1.3V
(Adjustable Only)
TJ=25 ℃
When current limit occurred and
VFB<0.5V, TA=25℃
Min. Typ. Max. Unit
3.168 3.3 3.432 V
- 75 - %
4.800 5.0 5.200 V
- 80 - %
11.52 12 12.48 V
- 89 - %
1.193 1.230 1.267 V
- 74 - %
- -10 -50 nA
127 150 173 KHz
5 15 25 KHz
Saturation Voltage
VSAT
Io = 2A, No outside circuit and
VFB=0V force driver on
- 1.4 1.6 V
Max. Duty Cycle ( ON)
Min. Duty Cycle ( OFF)
DC
DC
VFB = 0V force driver on
VFB = 12V force driver off
- 100 - %
- 0 -%
Current Limit
ILIMIT
Peak current, No outside circuit and
VFB= 0V force driver on
3.6
4.5
5.5
A
Output Leakage Current
Quiescent Current
Standby Quiescent Current
ON/OFF Pin Logic Input
Threshold Voltage
Output Leakage Current No outside
circuit VFB=12V force driver off,
-
ILEAK
VOUT=0V
- -200
µA
VIN=22V, VOUT=-1V
-5 -
30
IQ
ISTBY
VFB = 12V force driver off
ON/OFF Pin=5V,VIN=22V
- 5 10 mA
- 70 156 µA
VIL
Low(Regulator(ON)
-
0.6
1.3 V
VIH
High(Regulator(OFF)
2.0
-
ON/OFF Pin Logic Input Current
VIL
VIH
VLOGIC=2.5V(OFF)
VLOGIC=0.5V(ON)
-0.01
µA
-0.1 -1
VER 1.2 4
www.DataSheet.in
4페이지 ACE150X
Technology 150KHz,2A ,PWM Step-Down DC/DC Converter
Typical Applications
1. ACE1501 Reference :
Fix Output Voltage Version:
ACE1501
Adjustable Voltage Version :
+5V to +24V
C1
470uF
+
2
IN
3
SW
ACE1501
4
1 NC
FB
GND
5-8
Power
SOP-8
L1
D1
VOUT = VFB ( I + R1/R2 )
VFB = 1.23V . R2 = 1K - 3K
2. ACE1502 Reference :
Fix Output Voltage Version :
R1
R2
3.3/2A
+
C2
470uF
ACE1502
www.DataSheet.in
VER 1.2 7
7페이지 | |||
구 성 | 총 13 페이지수 | ||
다운로드 | [ ACE150x.PDF 데이터시트 ] |
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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 |
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |