参数资料
| 型号： | LTC3428EDD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 4A 10DFN |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.6 V ~ 5.25 V |
| 输入电压： | 1.6 V ~ 4.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 4A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-DFN（3x3） |
LTC3428
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN , V OUT , SWA, SWB Voltage........................ –0.3 to 6V
PIN CONFIGURATION
TOP VIEW
SWA, SWB Voltage, Pulsed, <100ns ...........................7V
SHDN , V C , FB Voltage .................................... –0.3 to 6V
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PGNDA
SWA
V OUT
SHDN
V C
1
2
3
4
5
11
10 PGNDB
9 SWB
8 V IN
7 AGND
6 FB
DD PACKAGE
10-LEAD (3mm
3mm) PLASTIC DFN
EXPOSED PAD MUST BE SOLDERED
TO GROUND PLANE ON PCB
T JMAX = 125°C, θ JA = 45°C/W
θ JC = 3°C/W
ORDER INFORMATION
LEAD FREE FINISH
LTC3428EDD#PBF
LEAD BASED FINISH
LTC3428EDD
TAPE AND REEL
LTC3428EDD#TRPBF
TAPE AND REEL
LTC3428EDD#TR
PART MARKING
LBBG
PART MARKING
LBBG
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
TEMPERATURE RANGE
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
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 A = 25°C. V IN = 3.3V, V OUT = 5V unless otherwise noted.
PARAMETER
Minimum Startup Voltage
Quiescent Current, V OUT
Quiescent Current, V IN
Shutdown Current
CONDITIONS
SHDN = V IN
SHDN = V IN
SHDN = 0V
MIN
TYP
1.5
100
1.3
MAX
1.6
200
2.0
1
UNITS
V
μA
mA
μA
Switching Frequency
FB Regulated Voltage
FB Input Current
Per Phase
V FB = 1.24V
l
l
0.8
1.219
1.0
1.243
1
1.2
1.268
50
MHz
V
nA
Error Amp Transconductance
170
μS
Output Adjust Voltage
1.6
5.25
V
3428fb
2
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