LT1612EMS8#TRPBF Linear Technology, LT1612EMS8#TRPBF Datasheet - Page 12

• Manufacturer Part Number: LT1612EMS8#TRPBF
• Description: IC CONV DC/DC PWM STEPDOWN 8MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT1612EMS8#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adj to 0.6V
• Current - Output: 500mA
• Frequency - Switching: 800kHz
• Voltage - Input: 2 ~ 5.5 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: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATIO
LT1612
RELATED PARTS
12
PART NUMBER
LTC
LT1616
LTC1701
LTC1707
LTC1772
LTC1877/LTC1878
LTC3404
®
1474
V
10 F
5V
IN
C1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
C1: TAIYO-YUDEN LMK325BJ106MN
C2: TAIYO-YUDEN LMK325BJ226MN
L1: SUMIDA CD43-100
SHDN
V
MODE
V
IN
C
R3
33.2k
LT1612
DESCRIPTION
Low I
600mA, 1.4MHz Step-Down Regulator in SOT-23
SOT-23 Step-Down Switching Regulator
Monolithic Synchronous Step-Down Switching Regulator
Constant Frequency Step-Down Controller in SOT-23
High Efficiency, Monolithic Synchronous Step-Down Regulator
1.4MHz High Efficiency Monolithic Synchronous Step-Down Reg
C4
680pF
5V to 3.3V Converter
BOOST
Q
GND
SW
Step-Down Switching Regulator
FB
0.1 F
232k
C3
1%
R2
U
10 H
20pF
L1
1M
1%
R1
C2
22 F
V
3.3V
500mA
OUT
1612 TA01a
COMMENTS
10 A I
V
500mA in SOT-23 Package, 1MHz Switching Frequency
500mA, V
High Current, High Efficiency: Up to 94%
10 A I
10 A I
IN
85
80
75
70
65
60
55
50
from 3.6V to 25V, SOT-23 Package
Q
Q
Q
1
, V
, 2.65 V
, High Efficiency: up to 95%, MSOP Package
V
V
IN
OUT
IN
IN
= 5V
from 2.65V to 8.5V
= 3.3V
from 3V to 18V, MSOP Package up to 300mA
IN
LOAD CURRENT (mA)
10
Efficiency
10V, MSOP Package up to 600mA
LINEAR TECHNOLOGY CORPORATION 1999
100
LT/TP 1100 4K • PRINTED IN USA
1612 TA01b
1000
sn1612 1612fs