LT1577CS-3.3/ADJ Linear Technology, LT1577CS-3.3/ADJ Datasheet - Page 20

• Manufacturer Part Number: LT1577CS-3.3/ADJ
• Description: IC LDO REG 3.3V/ADJ DUAL 16-SOIC
• Manufacturer: Linear Technology
• Type: Positive Fixed and Adjustabler

Specifications of LT1577CS-3.3/ADJ

• Number Of Outputs: 2
• Voltage - Output: 3.3V, Adjustable
• Current - Supply: 12mA
• Voltage - Input: 5 ~ 22 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

RELATED PARTS
LT1575/LT1577
TYPICAL
PART NUMBER
LTC1266
LTC1392
LTC1430
LTC1435
LTC1553
LTC1553L
LT1573
LT1580
LT1585-1.5
20
INPUT
12V
5V
330 F
6.3V
1 F
C1
C4
+
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
APPLICATION
C3
0.33 F
FAULT RESET
Digitally Controlled Synchronous Switching Regulator Controller
Fixed 1.5V, 5A Low Dropout Fast Response Regulator
DESCRIPTION
Current Mode, Step-Up/Down Switching Regulator Controller
Micropower Temperature, Power Supply and Differential
Voltage Monitor
High Power Step-Down Switching Regulator Controller
High Efficiency, Low Noise Synchronous Step-Down
Switching Regulator
Digitally Controlled Synchronous Switching Regulator Controller
Low Dropout Regulator Driver
7A, Very Low Dropout Linear Regulator
1
2
3
4
SHDN1
V
GND1
OUT-3.3
IN1
1/2 LT1577
COMP1
GATE1
IPOS1
INEG1
U
10pF
C5
16
15
14
13
R2
3.9k
LT1577 Split Plane System
C6
1500pF
3.9
R1
Q1
IRFZ24
V
3.3V
C9 TO
C20*
1 F
I/O
5
6
7
8
COMMENTS
Synchronous N- or P-Channel FETs, Comparator/Low
Battery Detector
Voltage Mode, 5V to 3.xxV at >10A
Current Mode with Wide Input Voltage Range
Controller for Pentium II Processor, Buck Conversion
from 5V or 12V Main Power
Controller for Pentium II Processor, Buck Conversion
from 5V Main Power
Drives Low Cost PNP Transistor for High Power,
Low Dropout Applications
0.54V Dropout at 7A, Fixed 2.5V
GTL+ Regulator
Temperature to Bits Control
SHDN2
V
GND2
OUT-2.8
IN2
1/2 LT1577
COMP2
GATE2
IPOS2
INEG2
10pF
C7
12
11
10
9
15757f LT/TP 0598 4K • PRINTED IN THE USA
*X7R CERAMIC 0805 CASE
LINEAR TECHNOLOGY CORPORATION 1996
+
R6
7.5k
C8
1000pF
C2
330 F
6.3V
3.9
OUT
R5
and Adjustable
Q2
IRFZ24
1575/77 TA15
V
2.8V
C21 TO
C44*
1 F
CORE