LTC1627CS8 Linear Technology, LTC1627CS8 Datasheet - Page 16

• Manufacturer Part Number: LTC1627CS8
• Description: IC SW REG STEP-DOWN SYNC 8-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1627CS8

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 8.5 V
• Current - Output: 500mA
• Frequency - Switching: 35kHz ~ 350kHz
• Voltage - Input: 2.65 ~ 8.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC1627
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16
TYPICAL APPLICATIO S
®
1375/LT1376
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
High Efficiency Step-Down and Inverting DC/DC Converters
1.2A, High Efficiency Step-Down DC/DC Converter
1.5A, 500kHz Step-Down Switching Regulators
High Efficiency, Low Noise, Synchronous Step-Down Converters
Low Quiescent Current Step-Down DC/DC Converters
Monolithic Synchronous Step-Down Switching Regulator
Low Input Voltage Current Mode Step-Down DC/DC Controller
Low Voltage, High Efficiency Step-Down DC/DC Converter
Monolithic Current Mode Step-Down Switching Regulator
Monolithic Synchronous Step-Down Switching Regulator
High Efficiency Step-Down Converter
Low Input Voltage Current Mode Step-Down DC/DC Controller
High Efficiency Monolithic Step-Down Regulator
High Efficiency Monolithic Step-Down Regulator
*** AVX TAJA226M006R
** AVX TPSC107M006R0150
* AVX TPSC226M016R0375
0.1 F
47pF
C
C
ITH
SS
U
Dual Output 1.8V/300mA and 3.3V/100mA Application
1
2
3
4
I
RUN/SS
V
GND
TH
FB
LTC1627
SYNC/FCB
V
SW
V
DR
IN
†††
††
†
8
7
6
5
COILTRONICS CTX25-1
MMSZ4678T1
A 10mA MIN LOAD CURRENT
IS RECOMMENDED
+
V
C
22 F
16V
IN
IN
*
R3
249k
1%
R4
80.6k
1%
8.5V
25 H
1:1
†
MBR0520LT1
***22 F
R1
80.6k
1%
R2
100k
1%
D1
COMMENTS
Monolithic Switching Regulators, I
Burst Mode Operation
Constant Off-Time, Monolithic, Burst Mode Operation
High Frequency, Small Inductor, High Efficiency
24-Pin Narrow SSOP, Auxillary Output
Monolithic, I
Low Cost, Voltage Mode I
V
High Frequency, High Efficiency, 8-Pin MSOP
Monolithic, Constant Off-Time, I
Low Supply Voltage Range: 2.5V to 6V
Constant Off-Time, I
V
1.19V V
V
16-Pin SO and SSOP, V
550kHz, 6-Pin SOT-23, I
V
550kHz, MS8, V
550kHz, MS8, V
6.3V
IN
IN
IN
IN
from 4V to 10V
from 2.5V to 5.5V
from 2.65V to 8.5V
from 2.2V to 10V
+
+
REF
C
100 F
6.3V
Pin, Constant Frequency, I
OUT
OUT
**
IN
IN
D2
ZENER
1.8V
to 250mA, I
1627fa LT/TP 0600 2K REV A • PRINTED IN USA
Up to 12V, I
Up to 7V, I
V
3.3V
100mA
††
V
1.8V
0.3A
SEC
OUT
OUT
1627 TA02
LINEAR TECHNOLOGY CORPORATION 1998
†††
IN
to 500mA, 1MHz Operation,
OUT
OUT
Up to 36V, Fault Protection
Q
Up to 5A,
Q
to 500mA,
= 10 A, 8-Pin MSOP
Q
= 10 A, I
OUT
= 10 A, I
OUT
to 600mA,
OUT
to 450mA,
OUT
OUT
to 600mA,
to 600mA
to 600mA