LTC1877EMS8#TR Linear Technology, LTC1877EMS8#TR Datasheet - Page 16

• Manufacturer Part Number: LTC1877EMS8#TR
• Description: IC BUCK SYNC ADJ .6A 8MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1877EMS8#TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 10 V
• Current - Output: 600mA
• Frequency - Switching: 550kHz
• Voltage - Input: 2.65 ~ 10 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: -

LTC1877
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1174/LTC1174-3.3/
LTC1174-5
LTC1265
LT
LTC1436/LTC1436-PLL
LTC1474/LTC1475
LTC1504A
LTC1622
LTC1626
LTC1627
LTC1701
LTC1707
LTC1735
LTC1772
LTC1878
16
®
1375/LT1376
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Effi ciency Step-Down and Inverting DC/DC Converters
1.2A, High Effi ciency Step-Down DC/DC Converter
1.5A, 500kHz Step-Down Switching Regulators
High Effi ciency, Low Noise, Synchronous Step-Down Converters 24-Pin Narrow SSOP
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 Effi ciency Step-Down DC/DC Converter
Monolithic Synchronous Step-Down Switching Regulator
Monolithic Current Mode Step-Down Switching Regulator
Monolithic Synchronous Step-Down Switching Regulator
High Effi ciency, Synchronous Step-Down Converter
Low Input Voltage Current Mode Step-Down DC/DC Controller
High Effi ciency Monolithic Step-Down Regulator
●
FAX: [phone]
***SANYO POSCAP 6TPA47M
**TAIYO YUDEN CERAMIC LMK325BJ106MN
*TOKO D62CB A920CY-100M
220pF
●
1
2
3
4
www.linear.com
Single Lithium-Ion to 3.3V/0.3A Regulator
RUN
I
V
GND
TH
FB
LTC1877
SYNC/MODE
PLL LPF
SW
V
IN
8
7
6
5
10μH*
20pF
10μF**
COMMENTS
Monolithic Switching Regulators, I
Burst Mode Operation
Constant Off-Time, Monolithic, Burst Mode Operation
High Frequency, Small Inductor, High Effi ciency
Monolithic, I
Low Cost, Voltage Mode I
High Frequency, High Effi ciency, 8-Pin MSOP
Monolithic, Constant Off-Time, I
Voltage Range: 2.5V to 6V
Constant Frequency, I
Regulation, V
Constant Off-Time, I
V
1.19V V
V
16-Pin SO and SSOP , V
550kHz, 6-Pin SOT-23, I
550kHz, MS8, V
887k
280k
IN
IN
: 2.5V to 5.5V
: 2.65V to 8.5V
+
–
REF
47μF***
V
Li-Ion BATTERY
3V TO 4.2V
V
3.3V/0.25A
OUT
IN
Pin, Constant Frequency, I
OUT
IN
: 2.65V to 8.5V
IN
to 250mA, I
1877 TA07
Up to 6V, I
OUT
OUT
IN
© LINEAR TECHNOLOGY CORPORATION 2000
OUT
to 500mA, 1MHz Operation,
Up to 36V, Fault Protection
OUT
to 500mA, Secondary Winding
Up to 5A, V
Q
Q
to 500mA, V
= 10μA, 8-Pin MSOP
= 10μA, I
OUT
LT 0909 REV A • PRINTED IN USA
OUT
to 600mA, Low Supply
OUT
to 450mA,
IN
OUT
: 2.2V to 10V
to 600mA,
IN
to 600mA
: 4V to 10V
1877fa