參數(shù)資料
型號: LTC3408
廠商: Linear Technology Corporation
元件分類: DRAM
英文描述: 64 x 18 3.3-V asynchronous FIFO memory 56-SSOP 0 to 70
中文描述: 1.5MHz的,600毫安同步降壓型穩(wěn)壓器旁路晶體管
文件頁數(shù): 3/12頁
文件大?。?/td> 156K
代理商: LTC3408
3
LTC3408
3408f
TYPICAL PERFOR U
Efficiency vs Output Current
Efficiency vs Output Current
Efficiency vs Output Current
Oscillator Frequency
vs Temperature
(From Figure 1)
ELECTRICAL CHARACTERISTICS
Efficiency vs V
OUT
Note 4:
When V
REF
> 1.2V and V
REF
x3 > V
IN
, the P-channel FET will be on
in parallel with the bypass PFET reducing the overall R
DS(ON)
.
Note 5:
This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125
°
C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
V
OUT
(V)
0
E
110
100
90
80
70
60
50
1
2
3
4
3408 G02
T
A
= 25
°
C
V
IN
= 3.6V
600mA
100mA
OUTPUT CURRENT (mA)
30
E
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3408 G03
0
1
V
IN
= 3.6V
V
IN
= 4.2V
T
A
= 25
°
C
V
OUT
= 1.2V
OUTPUT CURRENT (mA)
30
E
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3408 G04
0
1
V
IN
= 3.6V
V
IN
= 4.2V
T
A
= 25
°
C
V
OUT
= 1.5V
OUTPUT CURRENT (mA)
30
E
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3408 G05
0
1
V
IN
= 3.6V
V
IN
= 4.2V
T
A
= 25
°
C
V
OUT
= 2.5V
TEMPERATURE (
°
C)
–50
F
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
25
75
–25
0
50
100
125
V
IN
= 3.6V
3408 G06
Oscillator Frequency
vs Supply Voltage
SUPPLY VOLTAGE (V)
2
O
1.8
1.7
1.6
1.5
1.4
1.3
1.2
3
4
5
6
3408 G07
T
A
= 25
°
C
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