参数资料
型号: LT3510IFE#TRPBF
厂商: Linear Technology
文件页数: 2/30页
文件大小: 0K
描述: IC REG BUCK ADJ 2A DL 20TSSOP
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 23.8 V
输入电压: 3.1 V ~ 25 V
PWM 型: 电流模式
频率 - 开关: 250kHz ~ 1.5MHz
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: 20-TSSOP(0.173",4.40mm 宽)裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 20-TSSOP-EP

LT3510
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN1/2 , SHDN, PG1/2 ...................................... 25V/–0.3V
PIN CONFIGURATION
TOP VIEW
SW1/2 ....................................................................V IN1/2
BST1/2 ........................................................... 35V/–0.3V
BST1/2 Pins Above SW1/2........................................25V
V IN1
SW1
IND1
1
2
3
20 BST1
19 SS/TRACK1
18 V C1
IND1/2 .....................................................................±4A
V OUT1/2 ........................................................ V IN1/2 /–0.3V
FB1/2, SS1/2, R T /SYNC............................................5.5V
V C1/2 ......................................................................±1mA
Operating Junction Temperature Range
V OUT1
PG1
PG2
V OUT2
IND2
SW2
4
5
6
7
8
9
21
17 FB1
16 R T /SYNC
15 SHDN
14 FB2
13 V C2
12 SS/TRACK2
LT3510EFE (Notes 2, 8) ..................... –40°C to 125°C
V IN2 10
11 BST2
LT3510IFE (Notes 2, 8) ...................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
ORDER INFORMATION
FE PACKAGE
20-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 45°C/W, θ JC(PAD) = 10°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3510EFE#PBF
LT3510IFE#PBF
LEAD BASED FINISH
LT3510EFE
LT3510IFE
TAPE AND REEL
LT3510EFE#TRPBF
LT3510IFE#TRPBF
TAPE AND REEL
LT3510EFE#TR
LT3510IFE#TR
PART MARKING*
LT3510FE
LT3510FE
PART MARKING*
LT3510FE
LT3510FE
PACKAGE DESCRIPTION
20-Lead TSSOP
20-Lead TSSOP
PACKAGE DESCRIPTION
20-Lead TSSOP
20-Lead TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 125°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 part marking, 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 l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T J = 25°C. V VIN1/2 = 15V, V BST1/2 = open, V RT/SYNC = 2V, V VOUT1/2 = open,
unless otherwise speci?ed.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SHDN Threshold
SHDN Input Current
Minimum Input Voltage Ch 1 (Note 3)
Minimum Input Voltage Ch 2
Supply Shutdown Current Ch 1
Supply Shutdown Current Ch 2
Supply Quiescent Current Ch 1
Supply Quiescent Current Ch 2
Feedback Voltage Ch 1/2
V OUT1/2 = 0V, R T /SYNC = 133k
V SHDN = 1.375V
V SHDN = 1.225V
V FB1/2 = 0V, V VOUT1/2 = 0V, V IND1/2 = 0V, R T /SYNC = 133k
V FB1/2 = 0V, V VOUT1/2 = 0V, V IND1/2 = 0V
V SHDN = 0V
V SHDN = 0V
V FB1/2 = 0.9V
V FB1/2 = 0.9V
V VC1/2 = 1V
l
l
l
1.23
7
2
0.784
1.28
10
3
2.8
2.8
9
0
3.5
200
0.8
1.37
13
5
3
3
30
5
5
500
0.816
V
μA
μA
V
V
μA
μA
mA
μA
V
3510fe
2
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