LT3837EFE#TRPBF Linear Technology, LT3837EFE#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LT3837EFE#TRPBF
• Description: IC CNTRLR SYNC ISO 16TSSOP
• Manufacturer: Linear Technology
• Type: Flybackr

Specifications of LT3837EFE#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Frequency - Switching: 50kHz ~ 250kHz
• Voltage - Input: 4.5 ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -

ABSOLUTE MAXIMUM RATINGS
LT3837
(Note 1)
V
UVLO, SYNC Pin Voltage ............................–0.3V to V
SENSE
FB Pin Current ....................................................... ±2mA
V
Operating Junction Temperature Range
(Notes 2, 3, 4) ........................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................... 300°C
ORDER INFORMATION
LEAD FREE FINISH
LT3837EFE#PBF
LT3837IFE#PBF
LEAD BASED FINISH
LT3837EFE
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
temperature range, otherwise specifi cations are T
R
PARAMETER
Power Supply
V
V
V
Feedback Amplifi er
Feedback Regulation Voltage (V
Feedback Pin Input Bias Current
Feedback Amplifi er Transconductance
Feedback Amplifi er Source or Sink Current
Feedback Amplifi er Clamp Voltage
Reference Voltage Line Regulation
2
CC
CC
CC
CC
C
PGDLY
Pin Current ....................................................... ±1mA
Operating Range
Supply Current (I
Shutdown Current
to GND ................................................ –0.3V to 22V
= 27.4k, R
–
, SENSE
ENDLY
+
CC
Pin Voltage ......................–0.5V, +0.5V
) (Note 5)
= 90k, unless otherwise specifi ed.
TAPE AND REEL
LT3837EFE#TRPBF
LT3837IFE#TRPBF
TAPE AND REEL
LT3837EFE#TR
FB
)
http://www.linear.com/leadfree/
PART MARKING
3837EFE
3837FE
PART MARKING
3837EFE
A
= 25°C. V
http://www.linear.com/tapeandreel/
CONDITIONS
V
V
R
ΔI
V
V
12V ≤ V
C
C
FB
FB
CMP
C
= Open
= Open, V
The
= ±10μA
= 0.9
= 1.4
CC
Open
CC
IN
l
= 14V; PG, SG Open; V
≤ 18V
denotes specifi cations which apply over the full operating junction
UVLO
PIN CONFIGURATION
= OV
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
PACKAGE DESCRIPTION
16-Lead Plastic TSSOP
EXPOSED PAD (PIN 17) IS GND,MUST BE SOLDERED TO PCB
C
ENDLY
T
= 1.4V, V
SYNC
SFST
JMAX
OSC
V
t
SG
ON
FB
CC
= 125°C, θ
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
l
l
l
l
l
l
l
SENSE
FE PACKAGE
TOP VIEW
JA
1.220
= 40°C/W, θ
17
MIN
700
4.5
25
4
= 0, R
16
15
14
13
12
11
10
CMP
JC
9
1.237
0.005
1000
2.56
0.84
TYP
= 10°C/W
200
6.4
50
55
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 125°C
PG
PGDLY
R
C
SENSE
SENSE
UVLO
V
CMP
C
CMP
= 1k, R
+
–
1.251
MAX
1400
0.05
TON
150
20
10
90
= 90k,
UNITS
μmho
3837fc
%V
mA
μA
nA
μA
V
V
V
V