參數(shù)資料
型號(hào): LTC3423
廠商: Linear Integrated Systems
英文描述: Low Output Voltage 3MHz Micropower Synchronous Boost Converters
中文描述: 低輸出電壓3MHz的微功率同步升壓轉(zhuǎn)換器
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 203K
代理商: LTC3423
3
LTC3423/LTC3424
34234f
The
G
denotes specifications that apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
= 1.2V, V
OUT
= 3.3V unless otherwise noted.
PARAMETER
CONDITIONS
SHDN Input High
V
SHDN
= V
IN
= V
OUT
SHDN Input Low
SHDN Input Current
V
SHDN
= 5.5V
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC3423/LTC3424 are guaranteed to meet performance
specifications from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
MIN
1
TYP
MAX
UNITS
V
V
0.4
1
0.01
μ
A
ELECTRICAL CHARACTERISTICS
Note 3:
Current is measured into V
DD
since the supply current is
bootstrapped to the V
DD
pin. The outputs are not switching.
Note 4:
Once the output is started, the IC is not dependant upon the V
IN
supply.
Switching Waveform on SW Pin
TYPICAL PERFOR U
Transient Response
150mA to 450mA
SW
0.5V/DIV
I
LOAD
= 500mA
V
OUT
1.8V
100ns/DIV
3423/24 G01
I
OUT
C
= 44
μ
F
L = 2.2
μ
H
f
OSC
= 1MHz
200
μ
s/DIV
3423/24 G02
V
100mV/DIV
AC COUPLED
450mA
150mA
Burst Mode Operation
at 500
μ
A Load
Burst Mode Operation
at 10mA Load
V
100mV/DIV
AC COUPLED
V
IN
= 1.2V
V
OUT
= 1.8V
C
= 44
μ
F
MODE/SYNC PIN = HIGH
1ms/DIV
3423/24 G03
SW
1V/DIV
V
100mV/DIV
AC COUPLED
V
IN
= 1.2V
V
OUT
= 1.8V
C
= 44
μ
F
MODE/SYNC PIN = HIGH
500
μ
s/DIV
3423/24 G04
SW
1V/DIV
0V
相關(guān)PDF資料
PDF描述
LTC3423EMS Low Output Voltage 3MHz Micropower Synchronous Boost Converters
LTC3424 Low Output Voltage 3MHz Micropower Synchronous Boost Converters
LTC3424EMS Low Output Voltage 3MHz Micropower Synchronous Boost Converters
LTC3442 Micropower Synchronous Buck-Boost DC/DC Converter with Automatic Burst Mode Operation
LTC3442EDE Micropower Synchronous Buck-Boost DC/DC Converter with Automatic Burst Mode Operation
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LTC3424 制造商:LINEAR 制造商全稱:LINEAR 功能描述:Low Output Voltage 3MHz Micropower Synchronous Boost Converters