參數(shù)資料
型號: LT1962-5
廠商: Linear Technology Corporation
英文描述: 300mA, Low Noise, Micropower LDO Regulators(5V輸出,300mA, 低噪聲,微功耗,低壓差輸出穩(wěn)壓器)
中文描述: 300mA的,低噪聲,微功耗LDO穩(wěn)壓器(5V的輸出,300mA電流,低噪聲,微功耗,低壓差輸出穩(wěn)壓器)
文件頁數(shù): 3/16頁
文件大小: 234K
代理商: LT1962-5
3
LT1962 Series
Load Regulation
LT1962-2.5
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
5
12
25
15
30
17
33
25
50
6
12
0.15
0.21
0.20
0.28
0.24
0.33
0.33
0.43
75
120
1.6
3
12
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
G
LT1962-3
7
G
LT1962-3.3
7
G
LT1962-5
12
G
LT1962 (Note 4)
2
G
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
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,
I
LOAD
= 300mA
V
IN
= 7V, V
OUT
= 0V
V
IN
= V
OUT(NOMINAL)
+ 1V,
V
OUT
= –0.1V
V
IN
= –20V, V
OUT
= 0V
LT1962-1.5
V
OUT
= 1.5V, V
IN
< 1.5V
LT1962-1.8
V
OUT
= 1.8V, V
IN
< 1.8V
LT1962-2.5
V
OUT
= 2.5V, V
IN
< 2.5V
LT1962-3
V
OUT
= 3V, V
IN
< 3V
LT1962-3.3
V
OUT
= 3.3V, V
IN
< 3.3V
LT1962-5
V
OUT
= 5V, V
IN
< 5V
LT1962 (Note 4)
V
OUT
= 1.22V, V
IN
< 1.22V
0.10
V
V
V
V
V
V
V
V
G
0.15
G
0.18
G
0.27
G
GND Pin Current
V
IN
= V
OUT(NOMINAL)
(Notes 6, 8)
G
G
G
G
G
30
65
1.1
2
8
20
30
0.8
0.65
0.01
1
0.1
65
μ
A
μ
A
mA
mA
mA
Output Voltage Noise
ADJ Pin Bias Current
Shutdown Threshold
μ
V
RMS
100
2
nA
V
V
μ
A
μ
A
μ
A
dB
G
G
0.25
SHDN Pin Current
(Note 10)
Quiescent Current in Shutdown
Ripple Rejection
0.5
5
1
55
Current Limit
700
mA
mA
mA
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
G
320
Input Reverse Leakage Current
Reverse Output Current
(Note 11)
G
1
10
10
10
10
10
10
5
20
20
20
20
20
20
10
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25
°
C. (Note 3)
ELECTRICAL CHARACTERISTICS
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.
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