LTC1877EMS8#TR Linear Technology, LTC1877EMS8#TR Datasheet - Page 2

• 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: -

ABSOLUTE MAXIMUM RATINGS
LTC1877
(Note 1)
Input Supply Voltage (V
I
RUN, V
SYNC/MODE Voltage .................................. –0.3V to V
SW Voltage ................................... –0.3V to (V
P-Channel MOSFET Source Current (DC) ........... 800mA
N-Channel MOSFET Sink Current (DC) ............... 800mA
Peak SW Sink and Source Current ..........................1.5A
Operating Temperature Range (Note 2) .....–40°C to 85°C
Junction Temperature (Note 3) ............................ 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
ORDER INFORMATION
LEAD FREE FINISH
LTC1877EMS8#PBF
LTC1877IMS8#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
2
temperature range, otherwise specifi cations are at T
SYMBOL
I
V
ΔV
ΔV
V
V
I
f
f
TH
VFB
Q
OSC
SYNC
FB
LOADREG
IN
OVL
FB
, PLL LPF Voltage ................................. –0.3V to 2.7V
FB
Voltages ...................................... –0.3V to V
PARAMETER
Feedback Current
Regulated Output Voltage
Output Overvoltage Lockout
Reference Voltage Line Regulation
Output Voltage Load Regulation
Input Voltage Range
Input DC Bias Current
Oscillator Frequency
SYNC Capture Range
Pulse-Skipping Mode
Burst Mode Operation
Shutdown
TAPE AND REEL
LTC1877EMS8#TRPBF
LTC1877IMS8#TRPBF
IN
) ..........................–0.3V to 11V
http://www.linear.com/leadfree/
PART MARKING*
LTLU
LTLU
CONDITIONS
(Note 4)
(Note 4) 0°C ≤ T
(Note 4) –40°C ≤ T
ΔV
V
Measured in Servo Loop; V
Measured in Servo Loop; V
(Note 5)
2.65V < V
V
V
V
V
IN
SYNC/MODE
RUN
FB
FB
http://www.linear.com/tapeandreel/
OVL
A
= 2.65V to 10V (Note 4)
= 0.8V
= 0V
IN
= 25°C. V
= 0V, V
= V
+ 0.3V)
IN
OVL
The
< 10V, V
= V
IN
– V
= 10V
IN
IN
l
IN
IN
A
FB
, I
denotes the specifi cations which apply over the full operating
≤ 85°C
= 5V unless otherwise specifi ed.
A
OUT
SYNC/MODE
≤ 85°C
PIN CONFIGURATION
= 0A
ITH
ITH
PACKAGE DESCRIPTION
8-Lead Plastic MSOP
8-Lead Plastic MSOP
= 0.9V to 1.2V
= 1.6V to 1.2V
= 0V, I
OUT
= 0A
RUN
GND
V
T
I
TH
FB
JMAX
8-LEAD PLASTIC MSOP
1
2
3
4
l
l
l
l
l
l
= 125°C, θ
MS8 PACKAGE
TOP VIEW
0.784
0.74
2.65
MIN
495
400
20
JA
= 150°C/W
8
7
6
5
0.05
–0.1
TYP
PLL LPF
SYNC/MODE
V
SW
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
230
550
0.8
0.8
0.1
50
10
80
IN
4
0
0.816
MAX
0.84
0.15
–0.5
110
350
605
700
0.5
30
10
15
1
UNITS
1877fa
%/V
kHz
kHz
kHz
mV
nA
μA
μA
μA
%
%
V
V
V