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參數(shù)資料
| 型號(hào)： | LTC1261LCS8-4.5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Switched Capacitor Regulated Voltage Inverter |
| 中文描述： | 0.02 A SWITCHED CAPACITOR REGULATOR, 650 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大小： | 182K |
| 代理商： | LTC1261LCS8-4.5 |
2
LTC1261L
(Note 1)
Supply Voltage (Note 2) ........................................ 5.5V
Output Voltage (Note 3)........................... 0.3V to –5.3V
Total Voltage, V
CC
to V
OUT
(Note 2) ..................... 10.8V
SHDN Pin .................................. –0.3V to (V
CC
+ 0.3V)
REG Pin ..................................................... –0.3V to 6V
ADJ Pin........................... (V
OUT
– 0.3V) to (V
CC
+ 0.3V)
A
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
Output Short-Circuit Duration......................... Indefinite
Commercial Temperature Range ................ 0
°
C to 70
°
C
Extended Commercial Operating
Temperature Range (Note 4) ................. –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
U
PACKAGE/ORDER U
ORDER PART
NUMBER
MS8 PART MARKING
LTFM
LTFN
LTFP
ORDER PART
NUMBER
LTC1261LCS8
LTC1261LCS8-4
LTC1261LCS8-4.5
S8 PART MARKING
1261L
1261L4
261L45
T
JMAX
= 150
°
C,
θ
JA
= 200
°
C/W
1
2
3
4
V
CC
C1
+
C1
–
GND
8
7
6
5
SHDN
REG
OUT
ADJ (COMP)
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
LTC1261LCMS8
LTC1261LCMS8-4
LTC1261LCMS8-4.5
1
2
3
4
8
7
6
5
TOP VIEW
SHDN
REG
OUT
ADJ (COMP)
V
CC
C1
+
C1
–
GND
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150
°
C,
θ
JA
= 135
°
C/W
ELECTRICAL C
temperature range, otherwise specifications are at T
A
= 25
°
C, C1 = 0.1
μ
F, C
OUT
= 3.3
μ
F unless otherwise noted. (Notes 2, 4)
HARA TERISTICS
Consult factory for Industrial or Military grade parts or additional fixed voltage parts.
SYMBOL
V
CC
PARAMETER
Supply Voltage
(LTC1261LCMS8/LTC1261LCS8)
(LTC1261LCMS8-4/LTC1261LCS8-4)
(LTC1261LCMS8-4.5/LTC1261LCS8-4.5) (Note 5)
Reference Voltage
Supply Current
CONDITIONS
MIN
TYP
MAX
UNITS
G
G
G
2.7
4.35
4.75
5.25
5.25
5.25
V
V
V
V
(Note 5)
V
REF
I
CC
1.23
650
5
650
0.1
8
12
±
0.01
V
CC
= 5.25V, No Load, SHDN Floating
V
CC
= 5.25V, No Load, V
SHDN
= V
CC
V
CC
= 5V, V
OUT
= –4V
I
REG
= 1mA, V
CC
= 5V, V
OUT
= –4V
V
REG
= 0.8V, V
CC
= 3.3V
V
REG
= 0.8V, V
CC
= 5V
V
ADJ
= 1.23V
V
CC
= 5V
V
CC
= 5V
V
SHDN
= V
CC
V
CC
= 5V, I
OUT
= 10mA, –1.5V
≤
V
OUT
≤
–4V (LTC1261L)
G
V
CC
= 5V, I
OUT
= 5mA, V
OUT
= –4.5V (LTC1261L)
V
CC
= 5V, I
OUT
= 10mA, V
OUT
= –4V (LTC1261L-4)
V
CC
= 5V, I
OUT
= 5mA, V
OUT
= –4.5V (LTC1261L-4.5)
G
G
1500
20
μ
A
μ
A
kHz
f
OSC
V
OL
I
REG
Internal Oscillator Frequency
REG Output Low Voltage
REG Sink Current
G
0.8
V
G
G
4
5
mA
mA
μ
A
I
ADJ
V
IH
V
IL
I
IN
t
ON
Adjust Pin Current
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
Turn-On Time
G
±
1
G
2
V
V
G
0.8
25
1500
1500
1500
1500
G
2.5
250
250
250
250
μ
A
μ
s
μ
s
μ
s
μ
s
G
G
G
The
G
denotes the specifications which apply over the full operating
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