参数资料
| 型号： | LTC4415EMSE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC DUAL 4A DIODES 16-MSOP |
| 标准包装： | 37 |
| 系列： | PowerPath™ |
| 应用： | 备用电池，高电流开关 |
| FET 型： | P 沟道 |
| 输出数： | 2 |
| 内部开关： | 是 |
| 电源电压： | 1.7 V ~ 5.5 V |
| 电流 - 电源： | 44µA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 16-MSOP |
| 包装： | 管件 |
LTC4415
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T A = 25°C (Notes 2, 3). V IN1 = V IN2 = 3.6V, R CLIM = 250Ω, unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN1 , V OUT1 , Operating Supply Range
V IN2 , V OUT2
At Least One Input/Output Must Be in This Range
l
1.7
5.5
V
V UVLO
I QF
I QOFF
I QR(OUT)
I QR(IN)
I LEAK(IN)
Undervoltage Lockout
Quiescent Current In Forward Regulation
(Note 5)
Quiescent Current In Shutdown
Reverse Turn-Off Current: OUT1
OUT2
INx Pin Current In Reverse Turn-Off
INx Pin Leakage Current
V INx Rising
Hysteresis
V IN1 = V EN1 = V EN2 = 3.6V, I OUT1 = –1mA,
V IN2 = V OUT2 = 0V, Measured Through GND Pin
V IN1 = V IN2 = V EN2 = 3.6V, V EN1 = 0V,
V OUT1 = V OUT2 = 0V, Measured Through GND Pin
V IN1 = 3.6V, V OUT1 = 3.7V, V IN2 = 3.5V, V OUT2 = 3.6V
(V OUT1 > V OUT2 )
V OUT1 = V OUT2 = 5.5V
V IN1 = V IN2 = 0V, V OUT1 = V OUT2 = 5.5V
l
l
l
l
l
l
–1
1.63
55
44
13
18
5
4
1.7
80
28
40
11
10
1
V
mV
μA
μA
μA
μA
μA
μA
V FR
V RTO
R FR
R ON
t ON
t ON(SD)
t SWITCH
t OFF
t SS
Forward Regulation Voltage (V INx – V OUTx ) I OUTx = –1mA
Reverse Turn-Off Voltage (V INx – V OUTx )
Forward Dynamic Resistance in
I OUTx = –100mA to –300mA
Regulation
On-Resistance in Constant Resistance
I OUTx = –1A
Mode
PowerPath Turn-On Time (Notes 6, 7)
Before Enable V OUT1 = 1.5V, Diode 1
Before Enable V OUT2 = 1.5V, Diode 2
Before Enable V OUTx = 0V
PowerPath Turn-On from Shutdown
Both Diodes Disabled and V OUTx = 1.5V Before Enable
(Note 7)
Both Diodes Disabled and V OUTx = 0V Before Enable
PowerPath Switchover Time
V INx ↑ (2.6V to 4.6V) to V OUTx Starts Rising, Both
Diodes Enabled, OUT1 and OUT2 Tied Together
PowerPath Turn-Off Time
Disable to I IN Falling from 100mA to 1mA
Soft-Start Duration (Note 8)
V OUTx = 0V
l
l
5
–50
15
–30
18
50
10
23
250
70
320
9
2
2
25
–10
30
70
mV
mV
mΩ
mΩ
μs
μs
μs
μs
μs
μs
μs
ms
Current Monitor
Current Monitor Ratio
I CLIMx /I OUTx When I OUTx = –4A
I CLIMx /I OUTx When I OUTx = –2A
0.9
0.8
1
1
1.1
1.2
mA/A
mA/A
Current Limit
V CLIM
CLIM Clamp Voltage
In Current Limit
0.5
V
I LIM(ADJ)
Current Limit Adjustability
Accuracy of Adjustable Current Limit
Threshold
V OUTx = V INx – 0.5V, Current Limit = 4A
V OUTx = V INx – 0.5V, Current Limit = 2A
l
l
l
0.5
4
±8
±15
A
%
%
I LIM(INT)
Internal Current Limit
R CLIMx = 0Ω, V OUTx = 0V
l
4
6
9
A
T WARN
T SD
Thermal Warning Threshold
Thermal Shutdown Threshold
Rising Temperature
Hysteresis
Rising Temperature
Hysteresis
130
15
160
20
°C
°C
°C
°C
Open-Drain Status Outputs ( STAT1 , WARN1 , STAT2 , WARN2 )
V OL
t STAT(ON)
Open-Drain Output Low Voltage
Open-Drain Output High Leakage Current
STAT Turn-On Time (Note 6)
Current Into Open-Drain Output = 3mA
Open-Drain Output Voltage = 5.5V
EN1 Rising to STAT1 Pull-Down
EN2 Falling to STAT2 Pull-Down
l
l
0.05
0
5
18
0.4
1
V
μA
μs
μs
4415fa
3
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