LTC1261IS8 Linear Technology, LTC1261IS8 Datasheet - Page 13

• Manufacturer Part Number: LTC1261IS8
• Description: IC VOLT INVERT SW CAP ADJ 8SOIC
• Manufacturer: Linear Technology
• Type: Switched Capacitor (Charge Pump), Invertingr

Specifications of LTC1261IS8

• 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: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIONS
0.1 F
1 F
Low Output Voltage Generator
2
3
C1
C1
+
–
LTC1261
GND
V
5V
CC
1
4
OUT
ADJ
5
6
8V V
1N5817
SHUTDOWN
100pF
BAT
0.1 F
0.1 F
High Supply Voltage, – 5V Output GaAs FET Bias Generator
12V
+
U
1 F
NC
NC
R
124k
5V
S
3.3 F
N
2
3
4
5
8
V
OUT
1 F
C1
C1
C2
C2
R1
Minimum Parts Count – 4V Generator
R0
–
+
+
–
0.1 F
= V
= – 0.5V (R
= –1V (R
LTC1261
7
V
CC
CC
14
GND
– 10 A (R
SHDN
R
1N4733A
5.1V
REG
OUT
ADJ
ADJ
S
6
= 476k)
S
= 426k)
1
2
3
4
13
12
11
10
9
LTC1261 • TA10
S
V
C1
C1
GND
CC
+ 124k)
LTC1261-4
+
–
100pF
COMP
SHDN
REG
OUT
+
8
7
6
5
10k
POWER SWITCH
3.3 F
P-CHANNEL
–5V BIAS
0.1 F
0.1 F
+
3.3 F
TRANSMITTER
– 5V Supply Generator
2
3
4
5
V
at 10mA
OUT
LTC1261 • TA12
GaAs
C1
C1
C2
C2
3V V
LTC1261 • TA07
= –4V
–
+
+
–
LTC1261
GND
V
CC
CC
14
6
R
OUT
ADJ
ADJ
7V
R1
R0
10
9
8
7
11
+
NC
NC
100pF
1 F
3.3 F
LTC1261
–5V 5%
AT 10mA
LTC1261 • TA09
13