LTC1502IMS8-3.3 Linear Technology, LTC1502IMS8-3.3 Datasheet - Page 8

• Manufacturer Part Number: LTC1502IMS8-3.3
• Description: IC DC/DC CONV 3.3V CHRGPMP 8MSOP
• Manufacturer: Linear Technology
• Type: Switched Capacitor (Charge Pump)r

Specifications of LTC1502IMS8-3.3

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 10mA
• Frequency - Switching: 500kHz
• Voltage - Input: 0.9 ~ 1.8 V
• Operating Temperature: -40°C ~ 85°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: -

LTC1502-3.3
TYPICAL APPLICATIONS
RELATED PARTS
PART NUMBER
LT1307/LT1307B
LT1308A/LT1308B
LTC1517-3.3
LTC1558/LTC1559
LT1610
LT1611
LT1613
LT1615
LTC1682
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
750mA Single Cell Micropower 600kHz PWM DC/DC Converter
2A Single Cell Micropower 600kHz PWM DC/DC Converter
Micropower Regulated 3.3V Charge Pump DC/DC Converter
Backup Battery Controller with Programmable Output
Single Cell Micropower 1.7MHz PWM DC/DC Converter
1.4MHz Inverting Switching Regulator
1.4MHz Boost Switching Regulator
Micropower Boost Switching Regulator
Low Noise Doubler Charge Pump
SUPPLY
MAIN
5V
Single Cell Battery Backup Supply with Autoswitchover and No Reverse Current
SHDN
1.1M
470k
TRICKLE
CONTROLLER
CHARGE
*REFERRED TO MAIN SUPPLY
U
Single Cell to 3.3V DC/DC Converter with Shutdown
100
150k
10 F
1 CELL
NiCd
3.9V V
TRIP
1 F
*
10 F
10 F
1
2
3
4
C2
C1
C1
GND
LTC1502-3.3
+
–
/SHDN
1 F
1 F
3
1
7
6
5
3
4
5
6
V
C3
C3
OUT
V
C2
C3
C3
V
IN
+
–
IN
LTC1502-3.3
LT1521-3.3
+
–
LTC1540
8
7
6
5
+
–
C1
–
2
2
/SHDN
7
COMMENTS
3.3V at 75mA from 1 Cell, MSOP Package
3.3V at 300mA from 1 Cell, SO-8 Package
I
Uses Single NiCd Cell, 100mW Output (Min)
30 A I
5V to – 5V at 150mA, Low Output Noise, SOT-23 package
5V at 200mA from 3.3V Input, SOT-23 Package
30 A I
60 V
V
GND
OUT
OUT
C1
1 F
10 F
+
1
= 15mA (V
RMS
1
8
2
3
4
8
Q
Q
, MSOP Package
, V
Noise, I
OUT
SINGLE CELL
NiCd OR
ALKALINE
10 F
Up to 34V, SOT-23 Package
IN
OUT
100
Q1
2N7002
V
I
OUT
1 F
OUT
2.5V)
Up to 50mA, MSOP
1502-3.3 TA03
= 10mA
= 3.3V
LINEAR TECHNOLOGY CORPORATION 1999
V
I
(I
IN BACKUP MODE)
LOGIC LOW =
BACKUP MODE
OUT
10 F
15023f LT/TP 0899 4K • PRINTED IN USA
OUT
OUT
= 300mA
= 3.3V
= 10mA
1502-3.3 TA04