参数资料
型号: LT1573CS8
厂商: LINEAR TECHNOLOGY CORP
元件分类: 基准电压源/电流源
英文描述: Low Dropout PNP Regulator Driver
中文描述: 1.27 V-6.8 V ADJUSTABLE POSITIVE LDO REGULATOR, PDSO8
封装: 0.150 INCH, PLASTIC, SO-8
文件页数: 2/16页
文件大小: 200K
代理商: LT1573CS8
2
LT1573
ORDER PART
NUMBER
LT1573CS8
LT1573CS8-2.5
LT1573CS8-2.8
LT1573CS8-3.3
LT1573IS8
S8 PART MARKING
1573
157325
157328
157333
1573I
Consult factory for Military grade parts.
The
G
denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 5V, V
DRIVE
= 3V, unless otherwise noted.
(Note 1)
Input Pin Voltage (V
IN
to GND)............................... 10V
Drive Pin Voltage (V
DRIVE
to GND).......................... 10V
Output Pin Voltage (V
OUT
to GND).......................... 10V
Shutdown Pin Voltage (V
SHDN
to GND) .................. 10V
Operating Junction Temperature Range
LT1573C............................................... 0
°
C to 125
°
C
LT1573I............................................ –40
°
C to 125
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec.)................ 300
°
C
TOP VIEW
COMP
V
OUT
V
IN
DRIVE
FB
LATCH
SHDN
GND
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
T
JMAX
= 125
°
C,
θ
JA
= 85
°
C/W
PARAMETER
DC Characteristics
LT1573 Reference Voltage (Adjustable)(Note 2)
CONDITIONS
MIN
TYP
MAX
UNITS
I
DRIVE
= 20mA, T
J
= 25
°
C
5mA < I
DRIVE
< 250mA, 3V < V
IN
< 7V,
1.5V < V
DRIVE
< 7V
I
DRIVE
= 20mA. T
J
= 25
°
C
5mA < I
DRIVE
< 250mA, 3.5V < V
IN
< 7V,
1.5V < V
DRIVE
< 7V
I
DRIVE
= 20mA, T
J
= 25
°
C
5mA < I
DRIVE
< 250mA, 3V < V
IN
< 7V,
1.5V < V
DRIVE
< 7V
I
DRIVE
= 20mA, T
J
= 25
°
C
5mA < I
DRIVE
< 250mA, 3V < V
IN
< 7V,
1.5V < V
DRIVE
< 7V
1.252
1.225
1.265
1.265
1.278
1.305
V
V
G
LT1573-3.3 Output Voltage (Note 2)
3.267
3.234
3.3
3.3
3.333
3.366
V
V
G
LT1573-2.8 Output Voltage (Note 2)
2.772
2.744
2.8
2.8
2.828
2.856
V
V
G
LT1573-2.5 Output Voltage (Note 2)
2.475
2.450
2.5
2.5
2.525
2.550
V
V
G
Line Regulation
LT1573 (V
FB
)
LT1573-3.3 (V
OUT
)
LT1573-2.8 (V
OUT
)
LT1573-2.5 (V
OUT
)
Load Regulation
LT1573 (V
FB
)
LT1573-3.3 (V
OUT
)
LT1573-2.8 (V
OUT
)
LT1573-2.5 (V
OUT
)
FB
Pin Bias Current (Adjustable Only)
DRIVE Pin Current
I
DRIVE
= 20mA, 3V < V
IN
< 7V
I
DRIVE
= 20mA, 3.5V < V
IN
< 7V
I
DRIVE
= 20mA, 3V < V
IN
< 7V
I
DRIVE
= 20mA, 3V < V
IN
< 7V
G
G
G
G
0.17
0.34
0.34
0.25
2
5
4
4
mV
mV
mV
mV
I
DRIVE
= 20mA to 250mA
I
DRIVE
= 20mA to 250mA
I
DRIVE
= 20mA to 250mA
I
DRIVE
= 20mA to 250mA
V
FB
= 1.265V
V
FB
= 1.35V, V
DRIVE
= 7V
V
FB
= 1.15V, V
DRIVE
= 1.5V
I
DRIVE
= 20mA, V
FB
= 1.15V
I
DRIVE
= 250mA, V
FB
= 1.15V
G
G
G
G
7
30
40
34
30
5
2
mV
mV
mV
mV
μ
A
mA
mA
18
15
13
0.8
G
G
G
250
440
0.12
0.73
1.33
200
DRIVE Pin Saturation Voltage
G
G
0.3
1.4
1.6
V
V
V
SHDN Pin Threshold Voltage
SHDN Pin Current
G
1.0
V
SHDN
= 5V
μ
A
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
相关PDF资料
PDF描述
LT1573CS8-2.5 Low Dropout PNP Regulator Driver
LT1573CS8-2.8 Low Dropout PNP Regulator Driver
LT1573CS8-3.3 Low Dropout PNP Regulator Driver
LT1573I Low Dropout PNP Regulator Driver
LT1573IS8 Low Dropout PNP Regulator Driver
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