參數(shù)資料
型號: LTC1503CMS8-2
廠商: LINEAR TECHNOLOGY CORP
元件分類: 基準電壓源/電流源
英文描述: High Efficiency Inductorless Step-Down DC/DC Converters
中文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝: PLASTIC, MSOP-8
文件頁數(shù): 2/12頁
文件大?。?/td> 187K
代理商: LTC1503CMS8-2
2
LTC1503-1.8/LTC1503-2
Industrial Temperature Range ............... –40
°
C to 85
°
C
Specified Temperature Range (Note 2)... –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
(Note 1)
PARAMETER
V
IN
Operating Voltage
V
OUT
CONDITIONS
MIN
2.4
1.728
1.920
TYP
MAX
6
1.872
2.080
50
10
UNITS
G
V
V
V
LTC1503-1.8, 0mA < I
OUT
< 100mA
LTC1503-2, 0mA < I
OUT
< 100mA
I
OUT
= 0mA
SHDN/SS = 0V
LTC1503-X, V
IN
= 3.6V, I
OUT
= 100mA
LTC1503-2, V
IN
= 3.6V, I
OUT
= 100mA
Oscillator Free Running
G
G
1.8
2.0
25
5
25
82.9
600
0.35
–2
V
IN
Operating Current
V
IN
Shutdown Current
Output Ripple Voltage
Efficiency
Switching Frequency
SHDN/SS Input Threshold
SHDN/SS Input Current
G
μ
A
μ
A
G
mV
P-P
%
kHz
G
0.2
–3.5
–1
8
0.5
–1
1
50
V
V
SHDN/SS
= 0V (Note 3)
V
SHDN/SS
= V
IN
V
OUT
= 0V (Note 4)
C
SS
= 0nF, V
IN
= 3.6V, C
OUT
= 10
μ
F
C
SS
= 10nF
G
G
μ
A
μ
A
mA
ms
ms
V
OUT
Short-Circuit Current
V
OUT
Turn-On Time
G
22
0.1
8
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC1503C is guaranteed to meet specified performance from
0
°
C to 70
°
C and is designed, characterized and expected to meet these
extended temperature limits, but are not tested at –40
°
C and 85
°
C. The
LTC1503I is guaranteed to meet the extended temperature limits.
Note 3:
Currents flowing into the device are positive polarity. Currents
flowing out of the device are negative polarity.
Note 4:
When V
OUT
is less than 150mV, I
OUT
is limited to much less than
the maximum rated output current to prevent damage to the output
devices.
ORDER PART
NUMBER
LTC1503CMS8-1.8
LTC1503CMS8-2
MS8 PART MARKING
LTFX
LTHN
ORDER PART
NUMBER
LTC1503CS8-1.8
LTC1503CS8-2
LTC1503IS8-1.8
LTC1503IS8-2
S8 PART MARKING
150318
15032
Consult factory for Military grade parts.
T
JMAX
= 125
°
C,
θ
JA
= 200
°
C/W
1
2
3
4
V
OUT
C1
C1
+
V
IN
8
7
6
5
C2
GND
C2
+
SHDN/SS
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
V
OUT
C1
C1
+
V
IN
C2
GND
C2
+
SHDN/SS
V
IN
, C1
+
, C1
, C2
+
, C2
to GND............... –0.3V to 6.5V
SHDN/SS to GND......................... –0.3V to (V
IN
+ 0.3V)
V
OUT
Short-Circuit Duration.............................Indefinite
Commercial Temperature Range ............ –40
°
C to 85
°
C
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
= V
IN(MIN)
to V
IN(MAX)
, C1 = C2 = 1
μ
F, C
IN
= C
OUT
= 10
μ
F unless otherwise noted.
503I18
1503I2
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
相關PDF資料
PDF描述
LTC1503CS8-1.8 Hex 2-Line To 1-Line Universal Multiplexers With 3-State Outputs 24-SOIC 0 to 70
LTC1503CS8-2 High Efficiency Inductorless Step-Down DC/DC Converters
LTC1503IS8-1.8 High Efficiency Inductorless Step-Down DC/DC Converters
LTC1503IS8-2 High Efficiency Inductorless Step-Down DC/DC Converters
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