LTC3803ES6-3#TRMPBF Linear Technology, LTC3803ES6-3#TRMPBF Datasheet - Page 16

• Manufacturer Part Number: LTC3803ES6-3#TRMPBF
• Description: IC FLYBACK SYNC ADJ 1A TSOT23-6
• Manufacturer: Linear Technology
• Type: Flybackr

Specifications of LTC3803ES6-3#TRMPBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 1A
• Frequency - Switching: 300kHz
• Voltage - Input: Adjustable
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-6, TSOT-6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3803-3
TYPICAL APPLICATION
16
RELATED PARTS
PART NUMBER
LT3573
LTC3805/
LTC3805-5
LTC3873/
LTC3873-5
LT3757
LT3758
LTC1871/LTC1871-1/
LTC1871-7
1nF
8.06k
T1: PULSE ENGINEERING PA1006
Q1: FAIRCHILD FDC2512
Q2: VISHAY Si9803
D1: PHILIPS BAS516
V
33k
OUT
90% Effi cient Synchronous Flyback Converter
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
25.5k*
R
FB
1
2
3
V
GND
I
TH
FB
/RUN
LTC3803-3
= 0.8V
36V TO 72V
DESCRIPTION
Isolated Flyback Switching Regulator with 60V
Integrated Switch
Adjustable Constant Frequency Flyback, Boost, SEPIC
DC/DC Controller
No R
Controller
Boost, Flyback, SEPIC and Inverting Controller
Boost, Flyback, SEPIC and Inverting Controller
Wide Input Range, No R
Flyback, Boost and SEPIC Controller
SENSE
GATE
V
V
●
SENSE
IN
CC
FAX: [phone]
6
5
4
™ Constant Frequency Flyback, Boost, SEPIC
220k
C
C
R
*FOR 5V OUTPUT CHANGE R
10μF
10V
IN
O
CS
: TDK 100μF , 6.3V, X5R
: TDK 1μF , 100V, X5R
: VISHAY OR IRC, 80mΩ
560Ω
4.7k
C
SENSE
Q1
IN
R
•
CS
●
T1
www.linear.com
Low Quiescent Current
•
•
FB
Q2
D1
TO 42.2k
C
0.1μF
O
V
3.3V
1.5A
OUT
*
38033 TA04a
COMMENTS
3V ≤ V
Output Power, MSOP-16E
V
MSOP-10E Packages
V
2mm × 3mm DFN-8 Packages
2.9V ≤ V
3mm × 3mm DFN-10 and MSOP-10E Package
5.5V ≤ V
3mm × 3mm DFN-10 and MSOP-10E
Programmable Operating Frequency, 2.5V ≤ V
Operation at Light Load, MSOP-10
IN
IN
and V
and V
IN
IN
IN
≤ 40V, No Opto-Isolator or Third Winding Required, Up to 7W
OUT
OUT
≤ 40V, 100kHz to 1MHz Programmable Operating Frequency,
≤ 100V, 100kHz to 1MHz Programmable Operating Frequency,
Limited Only by External Components, 3mm × 3mm DFN-10,
Limited Only by External Components, 8-pin ThinSOT or
100
100
95
90
85
80
75
70
95
90
85
80
75
70
500
500
V
V
OUT
OUT
750
750
= 3.3V
= 5V*
Effi ciency vs Load
Effi ciency vs Load
LOAD CURRENT (mA)
LOAD CURRENT (mA)
1000
1000
1250
1250
© LINEAR TECHNOLOGY CORPORATION 2006
1500
1500
V
V
V
V
LT 0610 REV D • PRINTED IN USA
V
V
V
V
IN
1750 2000
IN
IN
IN
IN
1750 2000
IN
IN
IN
IN
38033 TA04b
38033 TA04c
≤ 36V, Burst Mode
= 36V
= 48V
= 60V
= 72V
= 36V
= 48V
= 60V
= 72V
®
38033fd