参数资料
型号: LT3462AES6#TRM
厂商: Linear Technology
文件页数: 2/8页
文件大小: 0K
描述: IC REG INV ADJ 0.25A TSOT23-6
标准包装: 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
PWM 型: 电流模式
频率 - 开关: 2.7MHz
电流 - 输出: 250mA
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: SOT-23-6 细型,TSOT-23-6
包装: 带卷 (TR)
供应商设备封装: TSOT-23-6
其它名称: LT3462AES6
LT3462AES6-ND
Q1984018
LT3462/LT3462A
ABSOLUTE
(Note 1)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
Input Voltage (V IN ) .................................................. 16V
SW Voltage .............................................................. 40V
D Voltage ............................................................... –40V
SDREF, FB Voltage ................................................. 2.5V
SW 1
GND 2
FB 3
TOP VIEW
6 V IN
5D
4 SDREF
ORDER PART
NUMBER
LT3462ES6
LT3462AES6
Operating Ambient
Temperature Range (Note 3) ............... –40 ° C to 85 ° C
Maximum Junction Temperature .......................... 125 ° C
Storage Temperature Range .................. –65 ° C to 150 ° C
Lead Temperature (Soldering, 10sec)................... 300 ° C
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
T JMAX = 125 ° C
θ JA = 150 ° C ON BOARD OVER
GROUND PLANE
θ JC = 120 ° C/W
S6 PART MARKING
LTBBV
LTBGB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C, V IN = 3V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operating Voltage
Maximum Operating Voltage
2.5
16
V
V
SDREF Voltage
10 μ A > I SDREF ≥ –80 μ A
q
1.245
1.265
1.285
V
FB Pin Bias Current (Note 2)
15
50
nA
SDREF Minus FB Voltage
10 μ A > I SDREF ≥ –80 μ A
q
1.235
1.263
1.285
V
Error Amp Offset Voltage
–12
12
mV
SDREF Reference Source Current
Supply Current
SDREF >1.2V
FB = –0.05V, Not Switching
SDREF = 0V, FB = Open, V IN = 5V
q
120
180
2.9
6.5
3.6
10
μ A
mA
μ A
SDREF Line Regulation
0.007
%/V
Switching Frequency (LT3462)
Switching Frequency (LT3462A)
Maximum Duty Cycle (LT3462)
Maximum Duty Cycle (LT3462A)
Switch Current Limit
Switch V CESAT
Switch Leakage Current
Rectifier Leakage Current
Rectifier Forward Drop
SDREF Voltage Low
SDREF Off-State Pull-Up Current
SDREF Turn-Off Current
I SW = 250mA
V SW = 5V
V D = –40V
I SCHOTTKY = 250mA
q
q
q
q
q
0.8
2.0
90
77
300
1
–300
1.2
2.7
420
270
0.01
0.03
800
2
–200
1.6
3.5
350
1
4
1100
0.20
3
MHz
MHz
%
%
mA
mV
μ A
μ A
mV
V
μ A
μ A
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Current flows out of the pin.
Note 3: The LT3462E is guaranteed to meet specifications from 0 ° C to
70 ° C. Specifications over the –40 ° C to 85 ° C operating temperature range
are assured by design, characterization and correlation with statistical
process controls.
3462af
2
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