參數(shù)資料
型號(hào): LTC3423EMS
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): 2/12頁(yè)
文件大?。?/td> 203K
代理商: LTC3423EMS
2
LTC3423/LTC3424
34234f
PARAMETER
V
DD
Input Voltage Range
V
IN
Operating Voltage Range
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Quiescent Current—Burst Mode Operation
Quiescent Current—SHDN
Quiescent Current—Active
NMOS Switch Leakage
PMOS Switch Leakage
NMOS Switch On Resistance
PMOS Switch On Resistance
NMOS Current Limit
CONDITIONS
MIN
2.7
0.5
1.5
1.22
TYP
MAX
5.5
5.5
5.5
1.28
50
65
1
800
5
10
UNITS
G
V
V
V
V
(Note 4)
G
G
G
1.25
1
38
0.1
440
0.1
0.1
0.16
0.21
1.6
2.8
85
V
FB
= 1.25V
V
C
= 0V, MODE/SYNC = 3.3V (Note 3)
SHDN = 0V, Not Including Switch Leakage
V
C
= 0V, MODE/SYNC = 0V, R
t
= 300k (Note 3)
nA
μ
A
μ
A
μ
A
μ
A
μ
A
A
A
%
%
LTC3423
LTC3424
R
t
= 15k
G
G
1
2
Maximum Duty Cycle
Minimum Duty Cycle
Frequency Accuracy
MODE/SYNC Input High
MODE/SYNC Input Low
MODE/SYNC Input Current
Error Amp Transconductance
G
80
G
0
R
t
= 15k
G
1.6
1.4
2
2.4
MHz
V
V
0.4
1
V
MODE/SYNC
= 5.5V
I = –5
μ
A to 5
μ
A, V
C
= V
FB
0.01
85
μ
A
μ
mhos
(Note 1)
V
IN
, V
OUT
, V
DD
Voltages.............................. –0.5V to 6V
SW Voltage................................................. –0.5V to 6V
V
C
, R
t
Voltages ......................... –0.5V to (V
OUT
+ 0.3V)
SHDN, FB, MODE Voltages ......................... –0.5V to 6V
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 125
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
T
JMAX
= 125
°
C
θ
JA
= 130
°
θ
JA
= 100
°
C/W 4 LAYER BOARD
MS PART MARKING
ORDER PART
NUMBER
LTC3423EMS
LTC3424EMS
LTQM
LTQN
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
DD
= 3.3V, V
OUT
= 1.8V, unless otherwise noted.
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
1
2
3
4
5
R
t
MODE
V
IN
SW
GND
10
9
8
7
6
SHDN
V
C
FB
V
OUT
V
DD
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
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