参数资料
型号: LT3483AEDC#TRPBF
厂商: Linear Technology
文件页数: 3/12页
文件大小: 0K
描述: IC REG INV ADJ 0.4A 8DFN
标准包装: 2,500
类型: 反相
输出类型: 可调式
输出数: 1
输出电压: 可调至 -38V
输入电压: 2.5 V ~ 16 V
电流 - 输出: 400mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 8-DFN(2x2)
LT3483/LT3483A
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 3.6V, V SHDN = 3.6V unless otherwise specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN Operating Range
V IN Undervoltage Lockout
2.5
2
16
2.4
V
V
FB Comparator Trip Voltage to GND (V FB )
FB Output Current (Note 3)
FB Falling
FB = V FB – 5mV
0
–10.2
5
–10
12
–9.7
mV
μA
FB Comparator Hysteresis
Quiescent Current in Shutdown
FB Rising
V SHDN = GND
10
1
mV
μA
Quiescent Current (Not Switching)
I FB Line Regulation
Switch Off-Time
FB = –0.05V
2.5V ≤ V IN ≤ 16V
40
300
50
0.07
μA
%/V
ns
Switch Current Limit
LT3483
LT3483A
170
340
200
400
230
460
mA
mA
Switch V CESAT
Switch Leakage Current
D Pin Current Limit
Rectifier Leakage Current
Rectifier Forward Drop
SHDN Input Low Voltage
SHDN Input High Voltage
I SW = 150mA to GND
SW = 40V
D = – 40V
I D = 150mA to GND
1.5
200
350
0.64
1
4
0.4
mV
μA
mA
μA
V
V
V
SHDN Pin Current
6
10
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings may
cause permanent damage to the device. Exposure to any Absolute Maximum
Rating condition for extended periods may affect device reliability and
lifetime.
Note 2: The LT3483E/LT3483AE are guaranteed to meet specifications from
0°C to 85°C. Specifications over the –40°C to 85°C operating temperature
range are assured by design, characterization and correlation with
statistical process controls. The LT3483I/LT3483AI are guaranteed to meet
specifications over the –40°C to 125°C operating temperature range.
Note 3: Current flows out of the pin.
3483fc
3
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