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参数资料
| 型号： | MAX16948AGTE/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/15页 |
| 文件大小： | 0K |
| 描述： | IC LDO/SWITCH ADJ DUAL 16TQFN |
| 标准包装： | 75 |
| 应用： | 汽车系统，远程电源 |
| 电流 - 电源： | 2.1mA |
| 电源电压： | 4.5 V ~ 28 V |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
MAX16948
Automotive Dual Remote Antenna
Current-Sense LDO/Switch
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 14V, T A = T J = -40 N C to +105 N C, unless otherwise noted. Typical values are at T A = T J = +25 N C.) (Note 2)
PARAMETER
SHDN1 and SHDN2 Pulldown
Resistance
Startup Response Time
OUT Pulldown Resistor
SYMBOL
R SHDN
t ST
R OUT1/OUT2-OFF
CONDITIONS
V SHDN1 / SHDN2 = 2V
SHDN1 and SHDN2 rising to turn on
LDO/switch (Note 3)
SHDN1 = SHDN2 = GND
MIN
TYP
500
300
56
MAX
UNITS
k I
F s
k I
Note
Note
Note
Note
2:
3:
4:
5:
Devices are tested at T A = +25 N C and guaranteed by design for T A = T MIN to T MAX .
Guaranteed by design; not production tested.
Guaranteed by ATE characterization. Limits are not production tested.
In case of OUT1/OUT2 shorted to BAT, feedback network must protect FB1/FB2 from violating their absolute maximum rat-
ings. For OUT1/OUT2 set below 3.3V, use an additional 5V clamp on FB1/FB2 with low parasitic capacitance.
Note 6: Limits do not include current-sense offset.
Typical Operating Characteristics
(V IN = 14V, T A = +25 N C, see the Typical Operating Circuits , unless otherwise noted.)
SHUTDOWN CURRENT vs. TEMPERATURE
VOLTAGE DROP OF INTERNAL SWITCH
vs. OUTPUT CURRENT
DROPOUT VOLTAGE vs. OUTPUT CURRENT
7.0
6.5
6.0
SHDN1 = SHDN2 = GND
700
600
500
FB_ = GN D
T A = +105°C
700
600
500
V OUT = 5V
FB_ = EXTERNAL
T A = +105°C
400
400
5.5
5.0
4.5
300
200
100
T A = +25°C
T A = -40°C
300
200
100
T A = +25°C
T A = -40°C
4.0
-45
-20
5
30
55
80
105
0
0
50
100
150
200
250
300
0
0
50
100
150
200
250
300
TEMPERATURE (°C)
DROPOUT VOLTAGE vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
VOLTAGE DROP OF INTERNAL SWITCH
vs. SUPPLY VOLTAGE
OUTPUT CURRENT (mA)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
700
600
500
FB_ = REG
T A = +105°C
8.0
7.9
7.8
7.7
FB_ = GND
I OUT_ = 5mA
OUT1
0
-10
-20
-30
V OUT_ = 5V
FB_ = EXTERNAL RESISTIVE DIVIDER
V RIPPLE_ = 0.5V P-P
I OUT_ = 10mA
400
7.6
-40
300
T A = +25°C
7.5
7.4
-50
-60
200
7.3
OUT2
-70
100
T A = -40°C
7.2
7.1
-80
-90
0
0
50
100
150
200
250
300
7.0
0
5
10
15
20
-100
0.01
1
100
10,000
OUTPUT CURRENT (mA)
Maxim Integrated
SUPPLY VOLTAGE (V)
FREQUENCY (kHz)
5
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