参数资料
型号: LTC3806EDE#PBF
厂商: Linear Technology
文件页数: 2/20页
文件大小: 0K
描述: IC REG CTRLR FLYBACK PWM 12-DFN
标准包装: 91
PWM 型: 电流模式
输出数: 1
频率 - 最大: 290kHz
占空比: 94%
电源电压: 10 V ~ 75 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 12-WFDFN 裸露焊盘
包装: 管件
LTC3806
ABSOLUTE M AXI M U M RATINGS
(Note 1)
V IN Voltage ............................................................. 25V
PI CO FIGURATIO
TOP VIEW
INTV CC Voltage ......................................................... 8V
INTV CC Output Current ........................................ 50mA
RUN
I TH
1
2
12 SENSE
11 NC
G1, G2 Voltages ....................... – 0.3V to V INTVCC + 0.3V
I TH , FB, SS Voltages ................................. – 0.3V to 2.7V
FB
NC
3
4
13
10 SS
9 G1
RUN Voltage ............................................... – 0.3V to 7V
SENSE Pin Voltage ..................................... – 0.3V to 8V
V IN
INTV CC
5
6
8
7
G2
GND
Operating Ambient Temperature Range
(Note 2) .................................................. – 40 ° C to 85 ° C
Junction Temperature (Note 3) ............................ 125 ° C
Storage Temperature Range ................. – 65 ° C to 125 ° C
ORDER I FOR ATIO
DE12 PACKAGE
12-LEAD (4mm × 3mm) PLASTIC DFN
T JMAX = 125 ° C, θ JA = 34 ° C/W
EXPOSED PAD (PIN 13) IS GND
MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3806EDE#PBF
TAPE AND REEL
LTC3806EDE#TRPBF
PART MARKING
3806
PACKAGE DESCRIPTION
12-Lead (4mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40 ° C to 85 ° C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are T A = 25 ° C. V IN = 10V, V RUN = 1.5V, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loop
V IN(MIN)
Minimum Input Voltage
(Note 4)
10
V
I Q
Input Voltage Supply Current
Quiescent
Shutdown Mode
Start-Up Mode
(Note 5)
V RUN = 0V
V RUN > 1.255V, V IN < 7V
1000
50
80
90
140
μ A
μ A
μ A
V RUN+
Rising RUN Input Threshold Voltage
V IN = 20V
1.205
1.230
1.255
V
1.181
1.279
V
V RUN–
Falling RUN Input Threshold Voltage
V IN = 20V
1.116
1.139
1.162
V
1.093
1.185
V
V RUN(HYST)
I RUN
V FB
RUN Pin Input Threshold Hysteresis
RUN Input Current
Feedback Voltage
V IN = 20V
V ITH = 0.75V (Note 6)
45
1.218
91
1
1.230
137
60
1.242
mV
nA
V
1.212
1.248
V
I FB
Δ V FB / Δ V IN
Feedback Pin Input Current
Line Regulation
V ITH = 0.75V (Note 6)
10V ≤ V IN ≤ 20V
18
0.01
100
nA
%/V
Δ V FB / Δ V ITH
g m
Load Regulation
Error Amplifier Transconductance
V TH = 0.55V to 0.95V (Note 6)
I TH Pin Load = ± 5 μ A (Note 6)
–1
–0.1
650
%
μ Mho
3806fb
2
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