LTC1983-3_15 Datasheet, PDF (12/12 Pages) Linear Technology – 100mA Regulated Charge-Pump Inverters in ThinSOT

LTC1983-3/LTC1983-5
TYPICAL APPLICATIO
Combined Unregulated Doubler
and Regulated Inverter
V_IN
OFF ON
C_IN
10µF
CERAMIC
V_IN
V_OUT
LTC1983-3/
LTC1983-5
SHDN GND
V_OUT
C_OUT1
10µF
CERAMIC
C⁺
C^–
C_FLY
D1
1µF
CERAMIC
C_BOOST
1µF
D2
V_BOOST = 2V_IN –2(V_D)
C_OUT2
10µF
CERAMIC
V_BOOST
1983 TA05
RELATED PARTS
PART NUMBER
LTC1261
LTC1261L
LTC1429
LTC1514/LTC1515
LTC1516
LTC1522
LTC1550L/LTC1551L
LT1611
LT1617/LT1617-1
LTC1682/-3.3/-5
LTC1751/-3.3/-5
LTC1754/-3.3/-5
LTC1928-5
LTC3200
DESCRIPTION
COMMENTS
Switched-Capacitor Regulated Voltage Inverter
Selectable Fixed Output Voltages
Switched-Capacitor Regulated Voltage Inverter
Clock-Synchronized Switched-Capacitor Voltage Inverter
Adjustable and Fixed Output Voltages, Up to 20mA I_OUT, MSOP
Synchronizable Up to 2MHz System Clock
Step-Up/Step-Down Switched-Capacitor DC/DC Converters
Micropower Regulated 5V Charge Pump DC/DC Converter
Micropower Regulated 5V Charge Pump DC/DC Converter
Low Noise, Switched-Capacitor Regulated Voltage Inverters
1.4MHz Inverting Mode Switching Regulator
V_IN 2V to 10V, Adjustable or Fixed V_OUT, I_OUT to 50mA
I_OUT = 20mA (V_IN ≥ 2V), I_OUT = 50mA (V_IN ≥ 3V)
I_OUT = 10mA (V_IN ≥ 2.7V), I_OUT = 20mA (V_IN ≥ 3V)
900kHz Charge Pump, 1mV_P-P Ripple
–5V at 150mA from a 5V Input, 5-Lead ThinSOT
Micropower, Switched-Capacitor Voltage Inverter
Doubler Charge Pumps with Low Noise LDO
Doubler Charge Pumps
Doubler Charge Pumps with Shutdown
Doubler Charge Pump with Low Noise LDO
Constant Frequency Doubler Charge Pump
V_IN 1.2V/1V to 15V; 350mA/100mA Current Limit
MS8 and SO-8 Packages, I_OUT = 80mA, Output Noise = 60µV_RMS
V_OUT =5V at 100mA; V_OUT =3.3V at 80mA; ADJ; MSOP Packages
ThinSOT Package; I_Q = 13µA; I_OUT = 50mA
ThinSOT Output Noise = 60µV_RMS; V_OUT = 5V; V_IN = 2.7V to 4V
Low Noise, 5V Output or Adjustable
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
1983fa
LT/LWI 0606 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2002