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參數資料
| 型號： | LTC4416-1 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 36V, Low Loss Dual PowerPath Controllers for Large PFETs |
| 中文描述： | 36V的，低損耗電源通路大型雙電源通路控制器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 201K |
| 代理商： | LTC4416-1 |
LTC4416/LTC4416-1
36V, Low Loss Dual
PowerPath Controllers for
4416fa
Large PFETs
The LTC
4416/LTC4416-1 control two sets of external
P-channel MOSFETs to create two near ideal diode functions
for power switchover circuits. This permits highly efficient
OR’ing of multiple power sources for extended battery life
and low self heating. When conducting, the voltage drop
across the MOSFET is typically 25mV. For applications with
a wall adapter or other auxiliary power source, the load is
automatically disconnected from the battery when the aux-
iliary source is connected.
The LTC4416 integrates two interconnected PowerPath
TM
controllers with soft switchover control. The “soft-off”
switchover permits the users to transfer between two dis-
similar voltages without excessive voltage undershoot (or
V
DROOP
) in the output supply. The LTC4416/LTC4416-1 also
contain a “fast-on” feature that dramatically increases gate
drive current when the forward input voltage exceeds 25mV.
The LTC4416 “fast off” feature is engaged when the sense
voltage exceeds the input voltage by 25mV. The LTC4416-1
enables the fast off under the same conditions and when
the other external P-channel device is selected using the
enable pins.
The wide operating supply range supports operation from one
to eight Li-Ion cells in series. The low quiescent current (35μA
per channel) is independent of the load current. The gate driver
includes an internal voltage clamp for MOSFET protection.
The LTC4416/LTC4416-1 are available in low profile 10-lead
MSOP packages.
■
High Current PowerPath Switch
■
Industrial and Automotive Applications
■
Uninterruptible Power Supplies
■
Logic Controlled Power Switch
■
Battery Backup System
■
Emergency Systems with Battery Backups
■
Designed Specifically to Drive Large and Small Q
G
PFETs
■
Very Low Loss Replacement for Power Supply
OR’ing Diodes
■
Wide Operating Voltage Range: 3.6V to 36V
■
–40°C to 125°C Operating Temperature Range
■
Reverse Battery Protection
■
Automatic Switching Between DC Sources
■
Low Quiescent Current: 35μA per Channel
■
Load Current Sharing
■
MOSFET Gate Protection Clamp
■
Precision Input Control Comparators for Setting
Switchover Threshold Points
■
Open-Drain Feedback Points for Customer Specified
Hysteresis Control
■
Minimal External Components
■
Space Saving 10-Lead MSOP Package
APPLICATIU
Automatic PowerPath Switchover
FEATURES
DESCRIPTIOU
TYPICAL APPLICATIO
U
, LT, LTc and LTM are registered trademarks of Linear Technology corporation.
PowerPath is a trademark of Linear Technology corporation.
All other trademarks are the property of their respective owners.
LTC4416
PRIMARY SUPPLY
BACKUP SUPPLY
V2 = 10.8V
V1 = 12V (FAIL)
V1 = 13.5V (RESTORE)
SUP75P03_07
SUP75P03_07
E1
GND
E2
H2
H1
V1
G1
V
S
G2
V2
24.9k
187k
221k
V1
GND
V2
V
S
4416 TA01
FORWARD VOLTAGE (V)
0.02
0
c
8.0
3.6
cONSTANT
R
ON
4416 TA01b
0.5
cONSTANT
VOLTAGE
ScHOTTKY
DIODE
LTc4416
LTC4416 vs Schottky Diode
Forward Voltage Drop
LTC4416-1
H1
E1
GND
E2
H2
G1
V1
V
S
V2
G2
182k
24.3k
24.9k
GND
V
IN
187k
V
WITH
HYSTERESIS
V
WITH
HYSTERESIS
V
OUT
TO
LOAD
4416 TA01c
75k
221k
UV ENABLED AT 5V, V
RESTORED TO LOAD WHEN V
RISES TO 5.5V
OV ENABLED AT 13.5V, V
IN
RESTORED TO LOAD WHEN V
IN
FALLS TO 12V
Under and Overvoltage Shutdown Operation
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| LTC4416EMS-1 | 36V, Low Loss Dual PowerPath Controllers for Large PFETs |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC4416EMS | 制造商:Linear Technology 功能描述:OR Controller P-Channel Dual-OUT 10-Pin MSOP |
| LTC4416EMS#PBF | 功能描述:IC CTLR POWERPATH 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 標準包裝:1,000 系列:- 應用:電池備份，工業/汽車，大電流開關 FET 型:- 輸出數:5 內部開關:是 延遲時間 - 開啟:100ns 延遲時間 - 關閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC N 包裝:帶卷 (TR) |
| LTC4416EMS#TRPBF | 功能描述:IC CNTRLR POWERPATH 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 標準包裝:1,000 系列:- 應用:電池備份，工業/汽車，大電流開關 FET 型:- 輸出數:5 內部開關:是 延遲時間 - 開啟:100ns 延遲時間 - 關閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC N 包裝:帶卷 (TR) |
| LTC4416EMS-1 | 制造商:Linear Technology 功能描述:OR Controller P-Channel Dual-OUT 10-Pin MSOP |
| LTC4416EMS-1#PBF | 功能描述:IC CNTRLR POWERPATH 10-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - O 圈控制器 系列:PowerPath™ 標準包裝:1,000 系列:- 應用:電池備份，工業/汽車，大電流開關 FET 型:- 輸出數:5 內部開關:是 延遲時間 - 開啟:100ns 延遲時間 - 關閉:- 電源電壓:3 V ~ 5.5 V 電流 - 電源:250µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC N 包裝:帶卷 (TR) |
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