参数资料
型号: LTC3803ES6-5#TRMPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC REG CTRLR FLYBK PWM TSOT23-6
标准包装: 500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 230kHz
占空比: 90%
电源电压: 4 V ~ 8.1 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
相关产品: 732-2263-6-ND - TRANS FLYBACK LTC3803 16.9UH
732-2263-1-ND - TRANS FLYBACK LTC3803 16.9UH
732-2263-2-ND - TRANS FLYBACK LTC3803 16.9UH
其它名称: LTC3803ES6-5#PBF
LTC3803ES6-5#PBF-ND
LTC3803-5
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
junction temperature range, otherwise speci?cations are at T A = 25°C. V CC = 5V, unless otherwise noted. (Notes 2, 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V CLAMP25mA
V CC Shunt Regulator Voltage at 25mA
I CC = 25mA, V ITH/RUN = 0V
LTC3803E-5
LTC3803I-5, LTC3803H-5
LTC3803MP-5
l
l
l
6.3
6.3
6
8.1
8.1
8.1
10.3
10.7
10.7
V
V
V
I CC
Input DC Supply Current in
(Note 4)
Normal Operation
V ITH/RUN = 1.3V
240
350
μA
I CC,(UV)
Input DC Supply Current in
Undervoltage
V CC = V TURNON – 100mV
LTC3803E-5
LTC3803I-5, LTC3803H-5, LTC3803MP-5
l
l
40
40
90
100
μA
μA
V ITHSHDN
I ITHSTART
Shutdown Threshold (at I TH /RUN)
Start-Up Current Source
V CC > V TURNON , V ITH/RUN Falling
LTC3803E-5
LTC3803I-5, LTC3803H-5
LTC3803MP-5
V ITH/RUN = 0V
LTC3803E-5
LTC3803I-5, LTC3803H-5, LTC3803MP-5
l
l
l
l
l
0.12
0.08
0.08
0.07
0.07
0.28
0.28
0.28
0.34
0.34
0.45
0.45
0.47
0.8
1
V
V
V
μA
μA
V FB
Regulated Feedback Voltage
(Note 5)
LTC3803E-5:
0°C ≤ T J ≤ 85°C
–40°C ≤ T J ≤ 85°C
l
0.788
0.780
0.800
0.800
0.812
0.816
V
V
LTC3803I-5:
0°C ≤ T J ≤ 85°C
–40°C ≤ T J ≤ 125°C
l
0.788
0.780
0.800
0.800
0.812
0.820
V
V
LTC3803H-5:
0°C ≤ T J ≤ 85°C
–40°C ≤ T J ≤ 150°C
l
0.788
0.780
0.800
0.800
0.812
0.820
V
V
LTC3803MP-5:
0°C ≤ T J ≤ 85°C
–55°C ≤ T J ≤ 150°C
l
0.788
0.780
0.800
0.800
0.812
0.820
V
V
g m
ΔV O(LINE)
ΔV O(LOAD)
Error Ampli?er Transconductance
Output Voltage Line Regulation
Output Voltage Load Regulation
I TH/RUN Pin Load = ±5μA (Note 5)
(Note 5)
I TH/RUN Sinking 5μA (Note 5)
200
333
0.1
3
500
μA/V
mV/V
mV/μA
I TH/RUN Sourcing 5μA (Note 5)
3
mV/μA
I FB
V FB Input Current
(Note 5)
10
50
nA
f OSC
DC ON(MIN)
DC ON(MAX)
t RISE
t FALL
Oscillator Frequency
Minimum Switch On Duty Cycle
Maximum Switch On Duty Cycle
Gate Drive Rise Time
Gate Drive Fall Time
V ITH/RUN = 1.3V
V ITH/RUN = 1.3V, V FB = 0.8V
V ITH/RUN = 1.3V, V FB = 0.8V
C LOAD = 3000pF
C LOAD = 3000pF (Note 7)
170
70
200
6.5
80
40
40
230
8.5
90
kHz
%
%
ns
ns
V IMAX
Peak Current Sense Voltage
R SL = 0 (Note 6)
LTC3803E-5
LTC3803I-5, LTC3803H-5
LTC3803MP-5
l
l
l
90
85
85
100
100
100
115
115
120
mV
mV
mV
I SLMAX
Peak Slope Compensation Output
(Note 7)
5
μA
Current
t SFST
Soft-Start Time
0.7
ms
38035fd
3
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