参数资料
| 型号： | LT1962EMS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A 8-MSOP |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.22 V ~ 20 V |
| 输入电压： | 1.8 V ~ 20 V |
| 电压 - 压降（标准）： | 0.27V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 320mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
| 配用： | DC1075A-ND - BOARD COMPANION |
LT1962 Series
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C. (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Load Regulation
LT1962-2.5
LT1962-3
LT1962-3.3
LT1962-5
LT1962 (Note 4)
V IN = 3.5V, ? I LOAD = 1mA to 300mA
V IN = 3.5V, ? I LOAD = 1mA to 300mA
V IN = 4V, ? I LOAD = 1mA to 300mA
V IN = 4V, ? I LOAD = 1mA to 300mA
V IN = 4.3V, ? I LOAD = 1mA to 300mA
V IN = 4.3V, ? I LOAD = 1mA to 300mA
V IN = 6V, ? I LOAD = 1mA to 300mA
V IN = 6V, ? I LOAD = 1mA to 300mA
V IN = 2.3V, ? I LOAD = 1mA to 300mA
V IN = 2.3V, ? I LOAD = 1mA to 300mA
q
q
q
q
q
5
7
7
12
2
12
25
15
30
17
33
25
50
6
12
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
Dropout Voltage
V IN = V OUT(NOMINAL)
(Notes 6, 7, 12)
I LOAD = 10mA
I LOAD = 10mA
I LOAD = 50mA
I LOAD = 50mA
I LOAD = 100mA
I LOAD = 100mA
I LOAD = 300mA
I LOAD = 300mA
q
q
q
q
0.10
0.15
0.18
0.27
0.15
0.21
0.20
0.28
0.24
0.33
0.33
0.43
V
V
V
V
V
V
V
V
GND Pin Current
V IN = V OUT(NOMINAL)
(Notes 6, 8)
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
SHDN Pin Current
(Note 10)
Quiescent Current in Shutdown
Ripple Rejection
I LOAD = 0mA
I LOAD = 1mA
I LOAD = 50mA
I LOAD = 100mA
I LOAD = 300mA
C OUT = 10 μ F, C BYP = 0.01 μ F, I LOAD = 300mA, BW = 10Hz to 100kHz
(Notes 4, 9)
V OUT = Off to On
V OUT = On to Off
V SHDN = 0V
V SHDN = 20V
V IN = 6V, V SHDN = 0V
V IN – V OUT = 1.5V (Avg), V RIPPLE = 0.5V P-P , f RIPPLE = 120Hz,
q
q
q
q
q
q
q
0.25
55
30
65
1.1
2
8
20
30
0.8
0.65
0.01
1
0.1
65
75
120
1.6
3
12
100
2
0.5
5
1
μ A
μ A
mA
mA
mA
μ V RMS
nA
V
V
μ A
μ A
μ A
dB
I LOAD = 300mA
Current Limit
Input Reverse Leakage Current
V IN = 7V, V OUT = 0V
V IN = V OUT(NOMINAL) + 1V, ? V OUT = – 0.1V
V IN = – 20V, V OUT = 0V
q
q
320
700
1
mA
mA
mA
Reverse Output Current
(Note 11)
LT1962-1.5
LT1962-1.8
LT1962-2.5
LT1962-3
LT1962-3.3
LT1962-5
LT1962 (Note 4)
V OUT = 1.5V, V IN < 1.5V
V OUT = 1.8V, V IN < 1.8V
V OUT = 2.5V, V IN < 2.5V
V OUT = 3V, V IN < 3V
V OUT = 3.3V, V IN < 3.3V
V OUT = 5V, V IN < 5V
V OUT = 1.22V, V IN < 1.22V
10
10
10
10
10
10
5
20
20
20
20
20
20
10
μ A
μ A
μ A
μ A
μ A
μ A
μ A
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Absolute maximum input to output differential voltage cannot be
achieved with all combinations of rated IN pin and OUT pin voltages. With
the IN pin at 20V, the OUT pin may not be pulled below 0V. The total
measured voltage from in to out can not exceed ± 20V.
Note 3: The LT1962 regulators are tested and specified under pulse load
conditions such that T J ≈ T A . The LT1962 is 100% tested at T A = 25 ° C.
Performance at – 40 ° C and 125 ° C is assured by design, characterization
and correlation with statistical process controls.
Note 4: The LT1962 (adjustable version) is tested and specified for these
conditions with the ADJ pin connected to the OUT pin.
3
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