参数资料
型号: MCP14628T-E/MF
厂商: Microchip Technology
文件页数: 4/24页
文件大小: 0K
描述: IC MOSFET DVR 2A SYNC BUCK 8-DFN
标准包装: 3,300
配置: 高端和低端,同步
输入类型: PWM
延迟时间: 18ns
电流 - 峰: 2A
配置数: 1
输出数: 2
高端电压 - 最大(自引导启动): 36V
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-VDFN 裸露焊盘
供应商设备封装: 8-DFN-EP(3x3)
包装: 带卷 (TR)
MCP14628
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise noted, V CC = 5V, T J = -40°C to +125°C
Parameters
Sym
Min
Typ
Max
Units
Conditions
Switching Times
HIGHDR Rise Time
t RH
10
ns
C L = 3.3nF,
Note 1 , Note 2
LOWDR Rise Time
t RL
10
ns
C L = 3.3nF,
Note 1, Note 2
HIGHDR Fall Time
t FH
10
ns
C L = 3.3nF,
Note 1, Note 2
LOWDR Fall Time
t FL
6.0
ns
C L = 3.3nF,
Note 1, Note 2
HIGHDR Turn-off Propagation
t PDLH
15
ns
No Load, Note 2
Delay
LOWDR Turn-off Propagation
t PDLL
16
ns
No Load, Note 2
Delay
HIGHDR Turn-on Propagation
t PDHH
10
18
30
ns
No Load, Note 2
Delay
LOWDR Turn-on Propagation
t PDHL
10
22
30
ns
No Load, Note 2
Delay
Tri-State Propagation Delay
t PTS
35
ns
No Load, Note 2
Minimum LOWDR On Time in DCM t LGMIN
— 400
ns
FCCM pin low Note 1
Note 1:
2:
Parameter ensured by design, not production tested.
See Figure 4-1 for parameter definition.
TEMPERATURE CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, all parameters apply with V CC = 5V.
Parameter
Sym
Min
Typ
Max
Units
Comments
Temperature Ranges
Specified Temperature Range
Maximum Junction Temperature
Storage Temperature
T A
T J
T A
-40
-65
+85
+150
+150
°C
°C
°C
Package Thermal Resistances
Thermal Resistance, 8L-SOIC
θ JA
149.5
°C/W
Thermal Resistance, 8L-DFN (3x3)
θ JA
60.0
°C/W
Typical Four-layer board
with vias to ground plane
DS22083A-page 4
? 2008 Microchip Technology Inc.
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