LTC1261CS#PBF Linear Technology, LTC1261CS#PBF Datasheet - Page 2

IC VOLT INVERT SW-CAP ADJ 14SOIC

LTC1261CS#PBF

Manufacturer Part Number
LTC1261CS#PBF
Description
IC VOLT INVERT SW-CAP ADJ 14SOIC
Manufacturer
Linear Technology
Type
Switched Capacitor (Charge Pump), Invertingr
Datasheet

Specifications of LTC1261CS#PBF

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
-1.25 ~ -8 V
Current - Output
15mA
Frequency - Switching
550kHz
Voltage - Input
3 ~ 8 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-

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LTC1261
SYMBOL
V
I
f
P
V
I
I
V
V
I
t
2
A
ELECTRICAL C
(Note 1)
Supply Voltage (Note 2)............................................ 9V
Output Voltage (Note 5) .............................. 0.3V to – 9V
Total Voltage, V
Input Voltage
Output Short-Circuit Duration ......................... Indefinite
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
S
OSC
REG
ADJ
IN
ON
REF
EFF
OL
IH
IL
BSOLUTE
SHDN Pin ................................. – 0.3V to V
REG Pin ............................................... – 0.3V to 12V
ADJ, R
Commercial ............................................ 0 C to 70 C
Extended Commercial (Note 7) .......... – 40 C to 85 C
PARAMETER
Reference Voltage
Supply Current
Internal Oscillator Frequency
Power Efficiency
REG Output Low Voltage
REG Sink Current
Adjust Pin Current
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
Turn-On Time
O,
R1, R
CC
ADJ ...............
W
to V
A
HARA TERISTICS
OUT
XI
(Note 2) ........................ 12V
W
V
U
C
OUT
W
CONDITIONS
No Load, SHDN Floating, Doubler Mode
No Load, SHDN Floating, Tripler Mode
No Load, V
I
V
V
V
V
I
REG
OUT
REG
REG
ADJ
SHDN
– 0.3V to V
= 1mA
= 15mA
= 1.24V
= 0.8V, V
= 0.8V, V
R
= V
A
CC
SHDN
TI
CC
CC
U
= V
CC
CC
= 3.3V
= 5.0V
G
CC
+ 0.3V
+ 0.3V
S
V
CC
= 3V to 6.5V, T
Consult factory for Industrial or Military grade parts.
PACKAGE/ORDER I FOR ATIO
GND
GND
V
C1
C1
C1
C1
C2
C2
NC
R0
CC
T
+
T
+
+
JMAX
A
JMAX
*FOR FIXED VERSIONS
1
2
3
4
1
2
3
4
5
6
7
= 25 C unless otherwise specified.
14-LEAD PLASTIC SO
8-LEAD PLASTIC SO
= 150 C,
= 150 C,
MIN
1.20
S8 PACKAGE
TOP VIEW
S PACKAGE
TOP VIEW
5
8
2
0 C T
JA
JA
1.24
0.01
= 110 C/W
TYP
600
900
550
500
= 150 C/W
0.1
65
15
A
5
8
5
14
13
12
11
10
9
8
8
7
6
5
70 C
V
SHDN
REG
OUT
ADJ
R
R1
SHDN
REG
OUT
ADJ (COMP*)
1000
1500
MAX
1.28
CC
ADJ
0.8
0.8
20
20
1
U
1.20
MIN
– 40 C T
5
8
2
S8 PART MARKING
(Note 7)
LTC1261CS8
LTC1261CS8-4
LTC1261CS8-4.5
TYP
1.24
0.01
ORDER PART
600
900
550
500
ORDER PART
0.1
65
15
LTC1261CS
5
8
5
NUMBER
A
NUMBER
W
1261
12614
126145
85 C
1500
2000
MAX
1.28
0.8
0.8
20
25
1
UNITS
U
kHz
mA
mA
%
V
A
A
A
V
A
V
V
A
s

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