ACE701CC [ACE]
Synchronous Step-Up DC/DC Converter;型号: | ACE701CC |
厂家: | ACE TECHNOLOGY CO., LTD. |
描述: | Synchronous Step-Up DC/DC Converter |
文件: | 总11页 (文件大小:882K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
ACE701CC
Synchronous Step-Up DC/DC Converter
Description
The ACE701CC Series is a Synchronous step-up DC/DC Converter with PFM Control. With the
ACE701CC Series, a step-up switching DC/DC converter can be configured by using an external coil,
capacitor. The built-in MOSFET is turned off by a protection circuit when the voltage at the LX pin exceeds
the limit to prevent it from being damaged.
Features
⚫
⚫
⚫
⚫
⚫
External parts: Coil, capacitor
Output voltage: Settable to between 1.8V to 5.5 V in 0.1 V steps
Maximum Oscillation frequency:300KHz
Accuracy of ±2%
High efficiency:95%
Application
• Digital cameras
• Electronic notebooks and PDAs
• Portable CD/MD players
• Cameras, video equipment
• Communications equipment
• Power supply for microcomputers
Absolute Maximum Ratings
Parameter
Symbol
VOUT
EN
Max
VSS-0.3 ~ VSS+8
VSS-0.3 ~ VSS+8
VSS-0.3 ~ VSS+8
1000
Unit
V
VOUT pin voltage
EN pin voltage
LX pin voltage
LX pin current
SOT-23-3
V
VLX
V
ILX
mA
250
mW
mW
TSOT-23-3
Power dissipation
250
PD
mW
mW
SOT-23-5
250
SOT-89-3
Operating temperature
500
Topr
Tstg
-40 ~+85
-40 ~+125
260°C, 10s
℃
Storage temperature
℃
Soldering Temperature & Time
Tsolder
VER 1.2
1
ACE701CC
Synchronous Step-Up DC/DC Converter
Packaging Type
SOT-23-3/TSOT-23-3
Pin No
Description
Function
Output voltage pin
GND pin
1
2
3
VOUT
VSS
LX
External inductor connection pin
SOT-23-5
Pin No Description
Function
Shutdown pin
“H”: Normal operation
“L”: Step-up stopped
1
EN
2
3
4
5
VOUT
NC
VSS
LX
Output voltage pin
(N.C.)
GND pin
External inductor connection pin
SOT-89-3
Pin No
Description
Function
GND pin
1
2
3
VSS
VOUT
LX
Output voltage pin
External inductor connection pin
Ordering information
ACE701CC X XX XX + H
Halogen - free
Pb - free
BM : SOT-23-3
BMS : TSOT-23-3
BN : SOT-23-5
AM : SOT-89-3
Output Voltage : 1.8V……5.5V
Function Description :
1 : Internal Tr. Driver, Without Enable circuit
2 : Internal Tr. Driver, With Enable circuit
VER 1.2
2
ACE701CC
Synchronous Step-Up DC/DC Converter
Block Diagram
VER 1.2
3
ACE701CC
Synchronous Step-Up DC/DC Converter
Electrical Characteristics
Parameter
Symbol
Test Conditions
Min
VOUT(S
)×0.98
0.9
Typ
Max
Unit
V
VOUT(S)
×1.02
Output voltage
VOUT
VOUT
VOUT ≤ 3.6 V
VOUT >3.6 V
IOUT= 1 mA
5
5
V
Input voltage
VIN
1.8
Operation start voltage
Input Current At No
Load
VST1
ISS2
ISS2
ISSS
0.9
V
VIN=1.8V,VOUT=3.0V
VOUT=VOUT+0.5 V
VEN = 0 V
15
6
µA
µA
mA
Current consumption 2
Current consumption
During shutdown
Maximum Oscillation
frequency
10
1.0
VOUT= 0.95xVOUT, measure
fosc
300
KHz
%
waveform at LX pin
VOUT= 0.95xVOUT
,
Duty ratio 1
Efficiency
Duty1
measure waveform at
LX pin
70
78
90
85
EFFI
VSH
%
V
VOUT=0.95xVOUT, judge
0.75
oscillation at LX pin
Shutdown pin input
voltage
VOUT= 0.95×VOUT
,
VSL1
0.3
V
judge stop at LX pin
VEN=6V
ISH
ISL
-0.1
-0.1
0.1
0.1
µA
µA
Shutdown pin input
current
VEN=0V
Remark:V
specified above is the set output voltage value, and V
is the typical value of the actual output voltage.
OUT(S)
OUT
VER 1.2
4
ACE701CC
Synchronous Step-Up DC/DC Converter
Standard Circuits
Component: Inductor:47uH(Sumida)
Capacitor:47uF/16V(Tantalum)
1、 ACE701CC-1 Circuits:
3、ACE701CC-2 Circuits:
VER 1.2
5
ACE701CC
Synchronous Step-Up DC/DC Converter
Typical Performance Characteristics
Cin=Cout=100uF
L=47uH
VER 1.2
6
ACE701CC
Synchronous Step-Up DC/DC Converter
Packing Information
SOT-23-3
VER 1.2
7
ACE701CC
Synchronous Step-Up DC/DC Converter
Packing Information
TSOT-23-3
VER 1.2
8
ACE701CC
Synchronous Step-Up DC/DC Converter
Packing Information
SOT-23-5
VER 1.2
9
ACE701CC
Synchronous Step-Up DC/DC Converter
Packing Information
SOT-89-3
VER 1.2 10
ACE701CC
Synchronous Step-Up DC/DC Converter
Notes
ACE does not assume any responsibility for use as critical components in life support devices or systems
without the express written approval of the president and general counsel of ACE Technology Co., LTD.
As sued herein:
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and shoes failure to perform when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in
a significant injury to the user.
2. A critical component is any component of a life support device or system whose failure to perform can
be reasonably expected to cause the failure of the life support device or system, or to affect its safety
or effectiveness.
ACE Technology Co., LTD.
http://www.ace-ele.com/
VER 1.2 11
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