参数资料
型号: LTC1473LCGN
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC SWITCH DVR PWRPATH DUAL16SSOP
标准包装: 100
系列: PowerPath™
应用: 手持/移动设备
FET 型: N 沟道
输出数: 2
内部开关:
延迟时间 - 开启: 22µs
延迟时间 - 关闭: 1µs
电源电压: 2.8 V ~ 9 V
电流 - 电源: 100µA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 管件
LTC1473L
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: T J is calculated from the ambient temperature T A and power
dissipation P D according to the following formula:
T J = T A + (P D )(150 ° C/W)
Note 3: Some tests are performed under more stringent conditions to
ensure reliable operation over the entire supply voltage range.
Note 4: Digital inputs include: IN1, IN2 and DIODE.
Note 5: I S increases by the same amount as I BSENSE+ + I BSENSE– when
their common mode falls below 5V.
Note 6: Gate turn-on and turn-off times are measured with no inrush
current limiting, i.e., V SENSE = 0V. Gate rise times are measured from 1V to
4.5V and fall times are measured from 4.5V to 1V. Delay times are
measured from the input transition to when the gate voltage has risen or
fallen to 3V. Results are not tested, but guaranteed by design.
TYPICAL PERFOR A CE CHARACTERISTICS
DC Supply Current
DC Supply Current
vs Supply Voltage
vs Temperature
DC Supply Current vs V SENSE
250
200
150
V SENSE + = V SENSE – = V +
V DIODE = V IN1 = 5V
V IN2 = 0V
140
130
120
110
100
V + = 5V
V DIODE = V IN1 = 5V
V IN2 = 0V
400
350
300
250
V + = 5V
V DIODE = V IN1 = 5V
V IN2 = 0V
V SENSE+ – V SENSE– = 0V
200
100
90
80
150
50
V DIODE = 5V
V IN1 = V IN2 = 0V
70
60
100
50
0
0
1
2
3
4
5
6
7
8
9
10
50
– 50
– 25
0
25 50
75
100
0
0
1
2 3 4
5 6 7
8
9
10
SUPPLY VOLTAGE (V)
1473 G01
V GS Gate-to-Source ON Voltage
vs Temperature
TEMPERATURE ( ° C)
1473 G02
Undervoltage Lockout Threshold (V + )
vs Temperature
V SENSE COMMON MODE (V)
V GS Gate Supply Voltage
vs Temperature
1473 G03
6.0
5.9
5.8
5.7
V + = V SAB = 10V
2.75
2.70
2.65
2.60
START-UP
THRESHOLD
9.0
8.9
8.8
8.7
V + = 5V
V GS = V GG – V +
2.55
5.6
2.50
8.6
5.5
5.4
5.3
5.2
2.45
2.40
2.35
2.30
SHUTDOWN
THRESHOLD
8.5
8.4
8.3
8.2
5.1
– 60 – 40 –20
0
20 40 60
80 100
2.25
– 60 –40 –20
0
20
40
60
80
100
8.1
– 60 – 40 – 20
0
20 40 60
80
100
TEMPERATURE ( ° C)
1473 G04
TEMPERATURE ( ° C)
1473 G05
TEMPERATURE ( ° C)
1473 G06
3
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