LTC3831EGN#TR Linear Technology, LTC3831EGN#TR Datasheet - Page 2

• Manufacturer Part Number: LTC3831EGN#TR
• Description: IC SW REG CONTROLLR SYNC 16-SSOP
• Manufacturer: Linear Technology

Specifications of LTC3831EGN#TR

• Applications: Controller, DDR
• Voltage - Input: 3 ~ 8 V
• Number Of Outputs: 1
• Voltage - Output: 1.27 ~ 4 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC3831EGNTR

ABSOLUTE MAXIMUM RATINGS
LTC3831
(Note 1)
Supply Voltage
V
PV
Input Voltage
I
R
Junction Temperature (Note 9) ............................. 125°C
Operating Temperature Range Note 4) .....–40°C to 85°C
Storage Temperature Range ...................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
ORDER INFORMATION
LEAD FREE FINISH
LTC3831EGN#PBF
LTC3831IGN#PBF
LEAD BASED FINISH
LTC3831EGN
LTC3831IGN
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
range, otherwise specifi cations are at T
SYMBOL
V
PV
V
V
ΔV
I
I
Δf
V
V
2
VCC
PVCC
FB
CC
UVLO
FB
SAWL
SAWH
CC
+
OSC
CC
OUT
, R
CC1,2
, I
..............................................................................9V
MAX
–
, FB, SHDN, FREQSET .......... –0.3V to V
......................................................................14V
..................................................... –0.3V to 14V
PARAMETER
Supply Voltage
PV
Undervoltage Lockout Voltage
Feedback Voltage
Output Load Regulation
Output Line Regulation
Supply Current
PV
Internal Oscillator Frequency
V
V
COMP
COMP
CC1
CC
Supply Current
, PV
at Minimum Duty Cycle
at Maximum Duty Cycle
TAPE AND REEL
LTC3831EGN#TRPBF
LTC3831IGN#TRPBF
TAPE AND REEL
LTC3831EGN#TR
LTC3831IGN#TR
CC2
, Voltage
A
= 25°C. V
http://www.linear.com/leadfree/
PART MARKING
3831
3831
PART MARKING
3831
3831
CC
http://www.linear.com/tapeandreel/
, PV
CC
CONDITIONS
(Note 7)
V
I
V
Figure 2, V
V
Figure 2, V
V
FREQSET Floating
OUT
to 0.3V
CC1
R
CC
SHDN
SHDN
+ = 2.5V, V
The
= 4.75V to 5.25V
= 0A to 10A (Note 6)
, PV
= 0V
= 0V
●
CC2
SHDN
SHDN
denotes specifi cations that apply over the full operating temperature
R
= 5V, V
– = 0V, V
PIN CONFIGURATION
= V
= V
CC
CC
PACKAGE DESCRIPTION
16-Lead Plastic SSOP
16-Lead Plastic SSOP
PACKAGE DESCRIPTION
16-Lead Plastic SSOP
16-Lead Plastic SSOP
R
(Note 3)
+ = 2.5V, V
COMP
= 1.25V
R
PV
PGND
SHDN
– = GND, unless otherwise noted. (Note 2)
GND
CC1
TG
R
R
FB
–
+
T
JMAX
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
l
l
l
l
l
l
l
l
= 125°C, θ
GN PACKAGE
TOP VIEW
1.231
MIN
160
3
3
JA
= 130°C/W
16
15
14
13
12
11
10
9
1.25
TYP
200
2.4
0.1
0.7
0.1
1.2
2.2
14
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
5
2
1
BG
PV
V
I
I
FREQSET
COMP
SS
FB
MAX
CC
CC2
1.269
MAX
13.2
240
2.9
1.6
10
20
10
8
UNITS
3831fb
kHz
mV
mV
mA
mA
μA
μA
V
V
V
V
V
V