參數(shù)資料
型號: LTC3113IFE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 16 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 4.40 MM, LEAD FREE, PLASTIC, TSSOP-20
文件頁數(shù): 20/24頁
文件大?。?/td> 383K
代理商: LTC3113IFE#PBF
LTC3113
5
3113f
Maximum Load Current in Burst
Mode Operation vs VIN (Burst
Mode Peak Current Limit 0.9A)
Output Voltage Regulation
vs Load Current
Load Step, 0A to 3A
Output Voltage Ripple in Burst
Mode Operation
TYPICAL PERFORMANCE CHARACTERISTICS
(TA = 25°C, VIN = 3.3V, VOUT = 3.8V unless otherwise specied)
Output Voltage Ripple in
PWM Mode
Burst to PWM Mode Transient
Soft-Start
VIN (V)
1.5
MAXIMUM
LOAD
CURRENT
(mA)
200
250
4.5
3113 G10
150
100
2.5
3.5
2.0
5.0
3.0
4.0
5.5
50
0
300
LOAD CURRENT (A)
–0.8
OUTPUT
VOL
TAGE
REGULA
TION
(%)
–0.6
–0.4
0
–0.2
0.0001
0.01
0.1
10
3113 G11
–1.0
0.001
1
PWM MODE
Burst Mode
OPERATION
ILOAD
2A/DIV
VOUT
200mV/DIV
100μs/DIV
BACK PAGE TYPICAL APPLICATION
3113 G12
INDUCTOR
CURRENT
1A/DIV
VOUT
20mV/DIV
20μs/DIV
ILOAD = 50mA
FRONT PAGE TYPICAL APPLICATION
3113 G14
VOUT
20mV/DIV
VOUT
20mV/DIV
VOUT
20mV/DIV
1μs/DIV
ILOAD = 1A
3113 G14
VIN = 3.3V
VIN = 4V
VIN = 4.55V
VOUT
50mV/DIV
BURST
2V/DIV
500μs/DIV
ILOAD = 50mA
3113 G15
FRONT PAGE TYPICAL APPLICATION
VOUT
2V/DIV
RUN
5V/DIV
500μs/DIV
VIN = 3.3V
VOUT = 3.8V
COUT = 100μF
3113 G16
Normalized Input Current Limit
vs Temperature (7.8A Typical)
Normalized Peak Current Limit
vs Temperature (11.1A Typical)
TEMPERATURE (°C)
0.90
NORMALIZED
INPUT
CURRENT
LIMIT
1.00
1.10
0.95
1.05
–25
15
55
95
3113 G17
115
–45
–5
35
75
TEMPERATURE (°C)
–45
NORMALIZED
PEAK
CURRENT
LIMIT
1.05
3113 G18
0.95
0.90
–5
35
75
95
–25
15
55
115
1.10
1.00
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