LT1676CS8#TRPBF Linear Technology, LT1676CS8#TRPBF Datasheet - Page 16

• Manufacturer Part Number: LT1676CS8#TRPBF
• Description: IC SW REG STEP-DOWN HI-EFF 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT1676CS8#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.24 ~ 51 V
• Current - Output: 700mA
• Frequency - Switching: 100kHz
• Voltage - Input: 7.4 ~ 60 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

RELATED PARTS
LT1676
TYPICAL
PART NUMBER
LT1076
LT1149
LT1176
LT1339
LT1375/LT1376
LT1620
LT1776
LT1777
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
APPLICATION
DESCRIPTION
2A, 100kHz Step-Down Switching Regulator
High Efficiency Synchronous Step-Down Switching Regulator
1.2A, 100kHz Step-Down Switching Regulator
High Power Synchronous DC/DC Controller
1.5A, 500kHz Step-Down Switching Regulators
Rail-to-Rail Current Sense Amplifier
Wide Input Range, High Efficiency, Step-Down
Switching Regulator
Low Noise Buck Regulator
12V TO
48V
V
IN
C1: PANASONIC HFQ
C2: AVX D CASE TPSD107M010R0080
C4, C5: X7R OR COG/NPO
+
C1
12 F
63V
U
C5
100pF
1
6
SHDN
SYNC
Minimum Inductor Size Application
LT1676
GND
V
IN
5
4
V
V
SW
V
CC
FB
D1: MOTOROLA 100V, 1A, SMD SCHOTTKY
L1: COILCRAFT DO1608C-224
C
MBRS1100 (T3)
2
3
7
8
R3
22k
5%
C3
2200pF
X7R
D1
220 H
L1
COMMENTS
Operation Up to 45V Input (64V for HV Version)
Operation Up to 48V Input, 95% Efficiency, 100% Duty Cycle
Operation Up to 38V Input, Adjustable and Fixed 5V Versions
Operation Up to 60V, High Power Anti-Shoot-Through Drivers
Operation Up to 25V Input, Synchronizable (LT1375)
Transforms Switching Regulators Into High Efficiency
Battery Chargers
LT1676 with 200kHz Switching Frequency (High Current
Applications Generally Restricted to 40V)
Operation up to 48V, Controlled Voltage and Current Slew Rates
C4
100pF
+
C2
100 F
10V
R1
36.5k
1%
R2
12.1k
1%
1676 TA02
FOR 3.3V V
I
L1: 150 H, DO1608C-154
R1: 24.3K, R2: 14.7k
OUT
: 0mA TO 200mA
V
5V
0mA to 150mA
OUT
OUT
LINEAR TECHNOLOGY CORPORATION 1998
VERSION:
1676f LT/TP 0499 4K • PRINTED IN USA