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參數(shù)資料
| 型號： | SC416MLTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | Dual Synchronous Buck Controller with Tracking Start-up/Shutdown |
| 中文描述： | 雙同步降壓控制器跟蹤Start-up/Shutdown |
| 文件頁數(shù)： | 6/34頁 |
| 文件大?。?/td> | 1131K |
| 代理商： | SC416MLTRT |
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SC416
6
Electrical Characteristics (continued)
Parameter
Conditions
25°C
-40° to 85°C
Units
Min
Typ
Max
Min
Max
PGDx Leakage
1
μA
Fault Protection
VDD1 Under-Voltage Lockout
VDD1 Falling Edge
4.0
3.7
4.35
V
VOUTx Under-Voltage Fault
VOUTx Falling Edge
-30
-35
-25
%
VOUTx Under-Voltage Fault Delay
(2)
8
clks
VOUTx Over-Voltage Fault
+20
+17
+23
%
VOUTx Over-Voltage Fault Delay
(2)
5
μs
Thermal Shutdown
(2)
Latching,
>10°C Hysteresis
160
°C
Inputs/Outputs
EN1, EN2 Input Low Voltage
VOUTx Disabled
1.2
V
ENx Input -
Forced Continuous Mode Operation
ENx = Open (float)
2.0
V
ENx Input High Voltage
VOUTx Enabled,
Power Save Enabled
3.1
V
ENx Input Resistance
R Pull Up to VDDx
1.5
MΩ
R Pull Down to RTN
1
MΩ
FBx Input Low Voltage
0.3
V
FBx Input High Voltage
VDDx -0.3
V
Power Good Output Low Voltage
R
PGDx
= 10kΩ to VDDx
0.4
V
Gate Drivers
Shoot-Thru Protection Delay
(2)
DHx or DLx Rising
30
ns
DLx Pull-Down Resistance
DL Low
0.8
1.6
Ω
DLx Sink Current
(2)
V
DLx
= 2.5V
3.1
A
DLx Pull-Up Resistance
DLx High
2
4
Ω
DLx Source Current
(2)
V
DLx
= 2.5V
1.3
A
DHx Pull-Down Resistance
DHx Low,
BSTx - LXx = 5V
2
4
Ω
DHx Pull-Up Resistance
(3)
DHx High,
BSTx - LXx = 5V
2
4
Ω
DHx Sink/Source Current
(2)
V
DHx
= 2.5V
1.3
A
Notes:
1) RTON = 1Meg.
2) Guaranteed by design.
3) Semtech’s SmartDriver FET drive first pulls DH high with a pull-up resistance of 10Ω (typical) until LX = 1.5V (typical). At this point, an additional pull-up device is
activated, reducing the resistance to 2Ω (typical). This negates the need for an external gate or boost resistor.
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| SC416MLTRT/KO | 制造商:Semtech Corporation 功能描述: |
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