參數(shù)資料
型號(hào): LTC3496EUFD#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 2300 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件頁數(shù): 11/16頁
文件大?。?/td> 296K
代理商: LTC3496EUFD#TRPBF
LT3496
4
3496f
Quiescent Current
Switch On Voltage
Switch Frequency vs FADJ
Switch Frequency vs Temperature
VCAP-LED Threshold vs CTRL
VCAP-LED Threshold vs VCAP
Switch Current Limit
vs Duty Cycle
VIN (V)
0
8
10
14
30
3496 G01
6
4
10
20
40
2
0
12
INPUT
CURRENT
(mA)
PWM1-3 = 5V
VC = GND, NOT SWITCHING
PWM1-3 = 0V
SWITCH CURRENT (mA)
0
SWITCH
VOLTAGE
(mV)
300
400
500
800
3496 G02
200
100
0
200
400
600
1000
DUTY CYCLE (%)
0
SWITCH
CURRENT
LIMIT
(mA)
600
800
1000
80
3496 G03
400
200
0
20
40
60
100
Reference Voltage
vs Temperature
Switch Current Limit vs
Temperature
TEMPERATURE (
°C)
–50
CURRENT
LIMIT
(mA)
800
1000
1200
25
75
3496 G04
600
400
–25
0
50
100
125
200
0
CTRL (V)
0
V
CAP-LED
THRESHOLD
(mV)
20
40
60
80
120
0.2
0.4
0.6
0.8
3496 G08
1
1.2
100
VCAP = 24V
VCAP (V)
0
97
V
CAP-LED
TRHESHOLD
(mV)
98
99
100
101
102
103
10
20
30
40
3496 G09
50
CTRL = 1.2V
TEMPERATURE (
°C)
–50
V
REF
(V)
2.03
25
3496 G05
2.00
1.98
–25
0
50
1.97
1.96
2.04
2.02
2.01
1.99
75
100
150
FADJ (V)
0
SWITCH
FREQUENCY
(kHz)
250
750
1000
1250
0.8
2250
3496 G06
500
0.4
0.2
1.0
0.6
1.2
1500
1750
2000
TEMPERATURE (
°C)
–50
SWITCH
FREQUENCY
(MHz)
2.1
2.2
2.3
2.4
25
75
3496 G07
2.0
1.9
–25
0
50
100
125
1.8
FADJ = 1.2V
(TA = 25°C unless otherwise noted)
TYPICAL PERFORMANCE CHARACTERISTICS
相關(guān)PDF資料
PDF描述
LTC3521EFE#TRPBF SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO20
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LTC3521IFE#PBF SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO20
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