參數(shù)資料
型號: LT3689IUD-5#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.95 A SWITCHING REGULATOR, 2160 kHz SWITCHING FREQ-MAX, PQCC16
封裝: 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件頁數(shù): 28/32頁
文件大?。?/td> 2188K
代理商: LT3689IUD-5#TRPBF
LT3689/LT3689-5
5
3689fd
TYPICAL PERFORMANCE CHARACTERISTICS
No-Load Supply Current vs VIN
No-Load Supply Current
Maximum Load Current, 5VOUT
Maximum Output Current, 3.3VOUT
Switch Current Limit
vs Duty Cycle
Switch Current Limit
vs Temperature
Switch Voltage Drop
Maximum VIN for Full Frequency
INPUT VOLTAGE (V)
0
SUPPL
YCURRENT
(A)
80
100
120
35
60
40
10
20
5
15
25
30
40
20
0
140
3689 G04
TA = 25°C
TEMPERATURE (°C)
–50
0
SUPPLY
CURRENT
(A)
200
400
600
–25
0
25
50
100
75
125
800
100
300
500
700
150
3689 G05
CATCH DIODE: DIODES INC. B140HB
VIN = 12V
VOUT = 3.3V
INCREASED SUPPLY
CURRENT DUE TO
CATCH DIODE LEAKAGE
AT HIGH TEMPERATURE
0
0.4
0.8
1.2
0.2
0.6
1.0
1.4
VIN (V)
6
LOAD
CURRENT
(A)
12
18
30
24
36
3689 G06
MINIMUM
TYPICAL
TA = 25°C
L = 12H
f = 1MHz
0
0.4
0.2
0.6
0.3
0.1
0.5
0.7
LOAD CURRENT (A)
0
V IN
(V)
10
20
30
40
5
15
25
35
3689 G07
VO = 5V
L = 6.8H
f = 2MHz
SYNC = 5V
TA = 25°C
TA = 85°C
0
0.4
0.2
0.6
0.3
0.1
0.5
0.7
LOAD CURRENT (A)
0
V IN
(V)
10
20
30
5
15
25
35
3689 G08
VO = 3.3V
L = 4.7H
f = 2MHz
SYNC = 3.3V
TA = 25°C
TA = 85°C
VIN (V)
4
0
LOAD
CURRENT
(A)
0.4
0.8
1.2
8
12
16
20
28
24
32
0.2
0.6
1.0
36
3689 G09
TA = 25°C
L = 12H
f = 700kHz
MINIMUM
TYPICAL
DUTY CYCLE (%)
0
CURRENT
LIMIT
(A)
0.4
0.8
1.2
1.6
2.0
20
40
60
80
100
3689 G10
TA = 25°C
SYNC = LOW
MINIMUM
TYPICAL
TEMPERATURE (°C)
0
CURRENT
LIMIT
(A)
0.5
1.0
1.5
2.0
3689 G11
SYNC = HIGH
SYNC = LOW
–50 –25
0
25
50
100
75
125 150
SWITCH CURRENT (mA)
0
VOL
TAGE
DROP
(mV)
400
500
300
200
400
800
200
600
1000
100
0
600
3689 G12
TA = 125°C
TA = 25°C
TA = –50°C
相關(guān)PDF資料
PDF描述
LT3689IMSE-5#TRPBF 1.95 A SWITCHING REGULATOR, 2160 kHz SWITCHING FREQ-MAX, PDSO16
LT3692IUH#TRPBF 5.8 A DUAL SWITCHING CONTROLLER, 2750 kHz SWITCHING FREQ-MAX, PQCC32
LT3692IUH#PBF 5.8 A DUAL SWITCHING CONTROLLER, 2750 kHz SWITCHING FREQ-MAX, PQCC32
LT3692EUH#PBF 5.8 A DUAL SWITCHING CONTROLLER, 2750 kHz SWITCHING FREQ-MAX, PQCC32
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