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参数资料
| 型号： | LTC4416EMS-1#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR POWERPATH 10-MSOP |
| 标准包装： | 50 |
| 系列： | PowerPath™ |
| 应用： | 电池备份，工业/汽车，大电流开关 |
| FET 型： | P 沟道 |
| 输出数： | 2 |
| 内部开关： | 无 |
| 延迟时间 - 开启： | 60µs |
| 延迟时间 - 关闭： | 30µs |
| 电源电压： | 3.6 V ~ 36 V |
| 电流 - 电源： | 130µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
LTC4416/LTC4416-1
APPLICATIO S I FOR ATIO
V FAIL = V ETH ?
R1D
R1C
V2
This configuration would be used where V1 is a 12V power
supply and the V2 power supply is a 4-cell Li-Ion battery
pack. When V1 is 12V, E2 disables the V2 source from
being connected to V S through Q2A and Q2B by forcing
G2 to V2, H2 is open circuit. E1 is connected to a voltage
greater than the V REF to keep the V1 to V S path active. The
V S output can be shut completely off by grounding the E1
input. The LTC4416 takes its power from the higher of V1,
V2 and V S . This configuration will provide power from V1
to V S until the V1 supply drops below 9V.
When V1 drops below 9V, the H2 pin closes to GND, G2
drops to a V CLAMP below V2 and G1 rises to the V S volt-
age level. V2 will supply current to V S until V1 rises above
10.8V. The H1 output will be open until the E1 input drops
below the V REF voltage level.
The V1 V FAIL is determined by:
R2 A + R2C
R 2 C
V1 = 12V (FAIL) SUP75P03_07
V1 = 13.5V (RESTORE) PRIMARY SUPPLY Q1 Q2
V1
R1A
221k
LTC4416
187k 24.9k E1 V1
GND GND G1
E2 V S V S
H2 G2
H1 V2
4416 F03
V2 = 10.8V BACKUP SUPPLY Q3
SUP75P03_07
Figure 3
When V1 drops below 12V, the H1 pin closes to GND,
G2 drops to a V CLAMP below V2 and G1 rises to the V1
voltage level. V2 w ill supply current to V S until V1 rises
above 13.5V. The H2 output will be shorted to GND until
the E2 input goes above the V REF voltage level.
= 1 . 222 V ?
= 8 . 98 V
( R 2 A + ( R 2 C R 2 E ) )
V RESTORE = V ETH ?
1558 k + ( 24 . 9 k 105 k
= 1 . 222 V ?
V FAIL = V ETH ?
= 1 . 222 V ?
= 12 . 07 V
( R 1 A + ( R 1 C R 1 D ) )
V RESTORE = V ETH ?
158k + 24.9k
24 . 9kk
The V1 V RESTORE is determined by:
R 2 C R 2 E
24 . 9 k 105 k
) = 10 . 81 V
The V1 V FAIL is determined by:
R1A + R1C
R 1 C
221k + 24.9k
24 . 9kk
The V1 V RESTORE is determined by:
R 1 C R 1 D
V1 is Greater Than V2
Figure 3 illustrates the external resistor configuration for
this case.
= 1 . 222 V ?
2221 k + ( 24 . 9 k 187 k
24 . 9 k 187 k
) = 13 . 51 V
This configuration would be used where V1 is a 12V power
supply and the V2 power supply is a 3-cell Li-Ion battery
pack. When V1 is 16V, E1 enables the V1 source as being the
primary supply, thus disabling the V2 supply since V1 > V2.
When E1 > V REF , the H1 output is open. The V S output can be
shut completely off by grounding the H1 input and forcing
E2 > V REF . The LTC4416 takes its power from the higher of
V1, V2 and V S . This configuration will provide power from
V1 to V S until the V1 supply drops below 12V.
Load Sharing
Figure 4 illustrates the configuration for this case.
This configuration would be used where V1 and V2 are
relatively the same voltage. In this case the LTC4416 acts
as two interconnected ideal diode controllers. V S will be
supplied by the higher of the two supplies, V1 and V2. If
V1 and V2 are exactly the same, then 50% of the current
for V S will be supplied by each supply. As the two supplies
4416fa
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| LTC4416EMSPBF | 制造商:Linear Technology 功能描述:OR Controller P-Ch Dual-Out MSOP10 |
| LTC4416IMS#PBF | 功能描述:IC CNTRLR POWERPATH 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| LTC4416IMS#TRPBF | 功能描述:IC CNTRLR POWERPATH 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| LTC4416IMS-1 | 制造商:Linear Technology 功能描述:OR Controller P-Channel Dual-OUT 10-Pin MSOP |
| LTC4416IMS-1#PBF | 功能描述:IC CNTRLR POWERPATH 10-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
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