参数资料
型号: LT3482IUD#PBF
厂商: Linear Technology
文件页数: 2/12页
文件大小: 0K
描述: IC REG BOOST ADJ 0.28A 16QFN
标准包装: 121
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.24 V ~ 90 V
输入电压: 2.5 V ~ 16 V
PWM 型: 电流模式
频率 - 开关: 650kHz ~ 1.1MHz
电流 - 输出: 280mA
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: 16-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 16-QFN-EP(3x3)
LT3482
ABSOLUTE
AXI U
RATI GS
PIN CONFIGURATION
(Note 1)
Input Voltage (V IN ) ....................................................16V
V OUT1 , SW Voltage ....................................................48V
V OUT2 , PUMP, MONIN, APD Voltage..........................90V
TOP VIEW
16 15 14 13
FB Voltage ...................................................................5V
NC 1
12 SHDN
SHDN, f SET , CTRL Voltage .........................................16V
MON Voltage .............................................................12V
Operating Temperature Range
APD 2
MONIN 3
V OUT2 4
5
6
17
7
8
11 V IN
10 GND
9 GND
(Note 2).................................................... –40°C to 85°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range................... –65°C to 125°C
UD PACKAGE
16-LEAD (3mm × 3mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 68°C/W, θ JC = 4.2°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3482EUD#PBF
LT3482IUD#PBF
TAPE AND REEL
LT3482EUD#TRPBF
LT3482IUD#TRPBF
PART MARKING*
LCFG
LCFG
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
TEMPERATURE RANGE
0°C to 85°C
–40°C to 125°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges. *The temperature grade is identi?ed by a label on the shipping container.
For more information on lead free parts, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3V, V ? S ? H ? D ? N = 3V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operating Voltage
Maximum Operating Voltage
2.5
16
V
V
Feedback Voltage
CTRL = 1.5V
1.215
1.200
1.235
1.255
1.260
V
V
Feedback Line Regulation
0.025
0.07
%/V
FB Pin Bias Current
Supply Current
FB = 1.3V, Not Switching
V ? S ? H ? D ? N = 0
30
3.3
0.1
100
4.0
0.5
nA
mA
μA
Switching Frequency
Maximum Duty Cycle
f SET = 0V
f SET = 2V
f SET = 0V
580
1.0
95
650
1.1
750
1.3
kHz
MHz
%
Switch Current Limit
Switch V CESAT
I SW = 150mA
280
360
130
420
220
mA
mV
Switch Leakage Current
Schottky Forward Voltage
Schottky Reverse Leakage
SHDN Voltage High
SW = 5V
I SCHOTTKY = 150mA
V OUT1 – SW = 50V
1.5
880
2
5
μA
mV
μA
V
3482fa
2
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