LTC1261LCMS8#TR Linear Technology, LTC1261LCMS8#TR Datasheet - Page 2

• Manufacturer Part Number: LTC1261LCMS8#TR
• Description: IC VOLT INVERT SW CAP ADJ 8MSOP
• Manufacturer: Linear Technology
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of LTC1261LCMS8#TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: -1.23 ~ -5 V
• Current - Output: 20mA
• Frequency - Switching: 650kHz
• Voltage - Input: 2.7 ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

A
LTC1261L
Supply Voltage (Note 2) ........................................ 5.5V
Output Voltage (Note 3) ........................... 0.3V to – 5.3V
Total Voltage, V
SHDN Pin .................................. – 0.3V to (V
REG Pin ..................................................... – 0.3V to 6V
ADJ Pin ........................... (V
Consult factory for Industrial or Military grade parts or additional fixed voltage parts.
temperature range, otherwise specifications are at T
PACKAGE/ORDER I FOR ATIO
ELECTRICAL C
2
(Note 1)
SYMBOL PARAMETER
V
V
I
f
V
I
I
V
V
I
t
CC
OSC
REG
ADJ
IN
ON
CC
REF
OL
IH
IL
BSOLUTE
GND
V
C1
C1
CC
T
+
–
JMAX
8-LEAD PLASTIC MSOP
Supply Voltage
(LTC1261LCMS8/LTC1261LCS8)
(LTC1261LCMS8-4/LTC1261LCS8-4)
(LTC1261LCMS8-4.5/LTC1261LCS8-4.5) (Note 5)
Reference Voltage
Supply Current
Internal Oscillator Frequency
REG Output Low Voltage
REG Sink Current
Adjust Pin Current
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
Turn-On Time
1
2
3
4
= 150 C,
MS8 PACKAGE
TOP VIEW
CC
JA
W
to V
= 200 C/W
A
HARA TERISTICS
8
7
6
5
OUT
XI
SHDN
REG
OUT
ADJ (COMP)
W
(Note 2) ..................... 10.8V
OUT
U
C
U
W
– 0.3V) to (V
MS8 PART MARKING
LTC1261LCMS8
LTC1261LCMS8-4
LTC1261LCMS8-4.5
R
ORDER PART
A
W
NUMBER
CONDITIONS
(Note 5)
V
V
V
I
V
V
V
V
V
V
V
V
V
V
TI
REG
CC
CC
CC
REG
REG
ADJ
CC
CC
SHDN
CC
CC
CC
CC
LTFM
LTFN
LTFP
U
= 5.25V, No Load, SHDN Floating
= 5.25V, No Load, V
= 5V, V
= 5V
= 5V
= 5V, I
= 5V, I
= 5V, I
= 5V, I
A
= 1mA, V
= 1.23V
CC
CC
= 0.8V, V
= 0.8V, V
= 25 C, C1 = 0.1 F, C
= V
G
+ 0.3V)
+ 0.3V)
CC
OUT
OUT
OUT
OUT
S
OUT
The
U
CC
CC
CC
= 10mA, –1.5V V
= 5mA, V
= 10mA, V
= 5mA, V
= – 4V
= 5V, V
= 3.3V
= 5V
denotes the specifications which apply over the full operating
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
OUT
OUT
OUT
SHDN
OUT
GND
V
C1
C1
= – 4V
= – 4.5V (LTC1261L)
= – 4.5V (LTC1261L-4.5)
CC
= – 4V (LTC1261L-4)
= V
+
–
T
OUT
JMAX
CC
1
2
3
4
OUT
8-LEAD PLASTIC SO
= 3.3 F unless otherwise noted. (Notes 2, 4)
= 150 C,
S8 PACKAGE
TOP VIEW
– 4V (LTC1261L)
JA
= 135 C/W
8
7
6
5
SHDN
REG
OUT
ADJ (COMP)
MIN
4.35
4.75
2.7
4
5
2
S8 PART MARKING
LTC1261LCS8
LTC1261LCS8-4
LTC1261LCS8-4.5
ORDER PART
1.23
TYP
650
650
250
250
250
250
0.1
2.5
0.01
12
5
8
NUMBER
1261L
1261L4
261L45
1500
1500
1500
1500
1500
MAX
5.25
5.25
5.25
0.8
0.8
20
25
1
UNITS
kHz
mA
mA
V
V
V
V
A
A
V
A
V
V
A
s
s
s
s