LTC1261IS8 Linear Technology, LTC1261IS8 Datasheet - Page 12

• 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: -

LTC1261
12
TYPICAL APPLICATIONS
(7 NiCd CELLS)
5V
5V
1 F
SHUTDOWN
V
BAT
1 F
= 8.4V
1 F
0.1 F
SHUTDOWN
0.1 F
SHUTDOWN
0.1 F
V
1mV Ripple, 5V Input, – 4V Output GaAs FET Bias Generator
BAT
V
U
BAT
1
2
3
4
1
2
3
4
V
C1
C2
GND
7 Cells to – 1.24V Output GaAs FET Bias Generator
CC
5V Input, – 4V Output GaAs FET Bias Generator
V
C1
C2
GND
LTC1261-4
1
2
3
4
+
–
CC
LTC1261-4
N
+
–
V
C1
C2
GND
CC
+
–
COMP
LTC1261
SHDN
COMP
REG
OUT
SHDN
REG
OUT
SHDN
REG
OUT
ADJ
8
7
6
5
8
7
6
5
8
7
6
5
100pF
100pF
+
+
10k
POWER SWITCH
+
3.3 F
10k
P-CHANNEL
10 F
100 H
10k
POWER SWITCH
– 4V BIAS
3.3 F
POWER SWITCH
P-CHANNEL
–1.24V BIAS
P-CHANNEL
+
– 4V BIAS
TRANSMITTER
10 F
GaAs
TRANSMITTER
GaAs
TRANSMITTER
LTC1261 • TA04
GaAs
LTC1261 • TA05
LTC1261 • TA06