参数资料
| 型号： | SC2443MLTRT |
| 厂商： | Semtech |
| 文件页数： | 5/22页 |
| 文件大小： | 0K |
| 描述： | IC DUAL SYNC STP-DN CTRLR 24MLPQ |
| 标准包装： | 1 |
| 应用： | 控制器，DDR |
| 输入电压： | 4.75 V ~ 16 V |
| 输出数： | 2 |
| 输出电压： | 可调至 0.5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-MLPQ |
| 供应商设备封装： | 24-MLPQ（4x4） |
| 包装： | 标准包装 |
| 产品目录页面： | 1358 (CN2011-ZH PDF) |
| 其它名称： | SC2443MLDKR |
SC2443
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Gate Drivers
High side Gate Driver
Peak Source Current
High side Gate Driver
Peak Sink Current
Low side Gate Driver
Peak Source Current
Low side Gate Driver
Peak Sink Current
Gate Drive Rise Time
Gate Drive Fall Time
Low side Gate Driver to High side
Gate Driver Non-overlapping delay
High side Gate Driver to Low side
Gate Driver Non-overlapping delay
Minimum On Time
V BST , V BST2 = 2V
V BST , V BST2 = 2V
AVCC = PVCC = 2V
AVCC = PVCC = 2V
C L = 2200pF
C L = 2200pF
C L = 0
C L = 0
T A = 25 °C
.5
.5
20
20
90
90
50
A
A
A
A
ns
ns
ns
ns
ns
Soft Start, Overload Latchoff and Enable
Soft Start Charging Current
Overload Enabling Soft Start Voltage
Overload IN - Threshold
Overload IN2- Threshold
Soft Start Discharge Current
I SS , I SS2
I SS _DIS , I SS2_DIS
V SS = V SS2 = .5V
V SS and V SS2 Rising
V SS = 3.8V, V IN - falling
V SS2 = 3.8V, V IN2- falling
V SS = V SS2 = 3.8V
2
3.2
0.75V REF
0.72 X
.4
μA
V
V
V
μA
Overload Recovery Soft Start Voltage
V SSRCV ,
V SSRCV2
V SS and V SS2 Falling
0.3
0.5
0.7
V
Gate Driver Disable SS/EN Voltage
0.7
0.9
V
Gate Driver Enable SS/EN Voltage
.2
.5
V
Internal 0.5V Reference Buffer
Output Voltage
V REF
I REF = - mA
490
500
5 0
mV
Load Regulation
0 < I REF <-5mA
0.05
%/mA
Notes:
( ) Guaranteed by design.
5
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相关代理商/技术参数 |
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| SC2446 | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Dual-Phase Single or Two Output Synchronous Step-Down Controllers |
| SC2446A | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Dual-Phase, Single or Dual Output Synchronous Step-Down Controller |
| SC2446AEVB | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Dual-Phase, Single or Dual Output Synchronous Step-Down Controller |
| SC2446AITSTRT | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Dual-Phase, Single or Dual Output Synchronous Step-Down Controller |
| SC2446EVB | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Dual-Phase Single or Two Output Synchronous Step-Down Controllers |
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