參數(shù)資料
型號: LT3509IMSE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, PLASTIC, MSOP-16
文件頁數(shù): 20/24頁
文件大?。?/td> 271K
代理商: LT3509IMSE#PBF
LT3509
5
3509fc
FB Pin Voltage vs Temperature
fSW vs Temperature
(Measured at 1MHz)
TYPICAL PERFORMANCE CHARACTERISTICS
ILOAD (A)
0
MAXIMUM
V
IN
(V)
0.6
0.4
0.8
3509 G10
5
10
15
20
25
0
0.2
30
TA = 25C
TA = 85C
ILOAD (A)
0
MAXIMUM
V
IN
(V)
3509 G11
5
10
15
20
25
0
45
30
35
40
TA = 25C
TA = 85C
0.6
0.4
0.8
0.2
Max VIN for Constant Frequency
VOUT = 3.3V, fSW = 2MHz
Max VIN for Constant Frequency
VOUT = 5V, fSW = 2MHz
Minimum On-Time vs
Temperature, ILOAD = 0.3A
DUTY CYCLE (%)
010
I LIM
(A)
100
3509 G14
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
20 30
40 50 60
70 80 90
1.8
TA = 25C
ILIM vs Temperature
ILIM vs Duty Cycle
TEMPERATURE (°C)
–50
0.790
FEEDBACK
PIN
VOLTAGE
(V)
0.795
0.800
0.805
0.810
–25
0
25
50
3509 G08
75
100 125 150
TEMPERATURE (C)
–50
NORMALIZED
(f
SW
)
1.01
1.02
1.03
25
50
75
100 125
3509 G09
1.00
0.99
–25
0
150
0.98
0.97
1.04
TEMPERATURE (°C)
–50
MINIMUM
ON-TIME
(ns)
80
120
150
3509 G12
40
0
50
100
–25
25
75
125
160
60
100
20
140
TEMPERATURE (°C)
–50
I LIM
(A)
1.0
1.3
1.5
25
75
150
3509 G13
0.9
0.7
0.5
–25
0
50
100 125
SWITCH
DA
相關(guān)PDF資料
PDF描述
LT3509IMSE#TRPBF 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16
LT3509EMSE#TRPBF 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO16
LT3509IDE#TRPBF 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO14
LT3509IDE#PBF 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO14
LT3509EDE#PBF 1.2 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO14
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