参数资料
型号: LT3980IDE#PBF
厂商: Linear Technology
文件页数: 2/24页
文件大小: 0K
描述: IC REG BUCK ADJ 2A 14DFN
标准包装: 91
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.79 V ~ 52.2 V
输入电压: 3.6 V ~ 58 V
PWM 型: 电流模式,Burst Mode?
频率 - 开关: 225kHz ~ 2.25MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
包装: 管件
供应商设备封装: 14-DFN-EP(4x3)

LT3980
ABSOLUTE MAXIMUM RATINGS (Note 1)
PG 3 12 V IN
V IN , RUN/SS Voltage (Note 5)...................................80V
BOOST Pin Voltage ...................................................75V
BOOST Pin Above SW Pin.........................................30V
FB, RT, V C Voltage .......................................................5V
PG, BD, SYNC Voltage ..............................................25V
PIN CONFIGURATION
TOP VIEW
SYNC 1 14 DA
NC 2 13 NC
15
FB 4 GND 11 SW
V C 5 10 BOOST
RT 6 9 BD
GND 7 8 RUN/SS
DE14 PACKAGE
14-LEAD (4mm × 3mm) PLASTIC DFN
θ JA = 45°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
Operating Junction Temperature Range (Note 2)
LT3980E ............................................. – 40°C to 125°C
LT3980I .............................................. – 40°C to 125°C
LT3980H ............................................ – 40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
(MSE Only) ....................................................... 300°C
TOP VIEW
SYNC 1 16 NC
PG 2 15 DA
NC 3 14 V IN
FB 4 17 13 NC
NC 5 GND 12 SW
V C 6 11 BOOST
RT 7 10 BD
GND 8 9 RUN/SS
MSE PACKAGE
16-LEAD PLASTIC MSOP
θ JA = 45°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3980EDE#PBF
LT3980IDE#PBF
LT3980EMSE#PBF
LT3980IMSE#PBF
LT3980HMSE#PBF
TAPE AND REEL
LT3980EDE#TRPBF
LT3980IDE#TRPBF
LT3980EMSE#TRPBF
LT3980IMSE#TRPBF
LT3980HMSE#TRPBF
PART MARKING*
3980
3980
3980
3980
3980
PACKAGE DESCRIPTION
14-Lead (3mm × 4mm) Plastic DFN
14-Lead (3mm × 4mm) Plastic DFN
16-Lead Plastic MSOP
16-Lead Plastic MSOP
16-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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 the specifications which apply over the full operating temper-
ature range, otherwise specifications are at T A = 25°C. V IN = 10V, V RUN/SS = 10V, V BOOST = 15V, V B D = 3.3V unless otherwise noted. (Note 2)
PARAMETER
Minimum Input Voltage
CONDITIONS
MIN
TYP
3
MAX
3.6
UNITS
V
V IN Overvoltage Lockout
Quiescent Current from V IN
V RUN/SS = 0.2V
V BD = 3V, Not Switching
V BD = 0, Not Switching
58
20
70
61.5
0.01
35
120
64
0.5
60
160
V
μA
μA
μA
3980fa
2
For more information www.linear.com/LT3980
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