LT1339ISW#PBF Linear Technology, LT1339ISW#PBF Datasheet - Page 20

• Manufacturer Part Number: LT1339ISW#PBF
• Description: IC DC/DC CONTROLLER HIPWR 20SOIC
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1339ISW#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Current - Output: 65mA
• Frequency - Switching: 150kHz
• Voltage - Input: Up to 60V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Primary Input Voltage: 60V
• No. Of Outputs: 1
• Output Voltage: 54V
• Output Current: 65mA
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Power - Output: -

RELATED PARTS
LT1339
PART NUMBER
LT1158
LT1160
LT1162
LT1336
LTC
LTC1435A
LTC1438
LT1680
20
TYPICAL
®
1530
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
0.1 F
C
APPLICATION
C
1 F
REF
5VREF
DESCRIPTION
Half-Bridge N-Channel MOSFET Driver
Half-Bridge N-Channel MOSFET Driver
Dual Half-Bridge N-Channel MOSFET Driver
Half-Bridge N-Channel MOSFET Driver
High Power Step-Down Switching Regulator Controller
High Efficiency, Low Noise Current Mode Step-Down DC/DC Converter
Dual High Efficiency, Low Noise Synchronous Step-Down Controller
High Power DC/DC Current Mode Step-Up Controller
C
C
SS
VC
R
, 10 F
, 2200pF
1k
FB2
+
R
10k
CT
C
2200pF
CT
C
R
AVG
VC
, 4.7k
, 2200pF
R
3k
FB1
48V to 5V 50A DC/DC Converter with Input Supply Start-Up Protection
SYNC
5V
CT
SL/ADJ
I
SS
V
SGND
V
V
AVG
U
C
FB
REF
REF
LT1339
RUN/SHDN
SENSE
SENSE
V
PHASE
BOOST
12V
PGND
BG
TG
TS
IN
–
+
100
95
90
85
80
75
70
65
60
55
50
0
R
51k
R3
D1 = IR30BQ060 8
Q1, Q3 = FMMT619; Q2, Q4 = FMMT720
L1 = Kool M
Kool M IS A REGISTERED TRADEMARK OF MAGNETICS, INC.
12V
48V to 5V Efficiency
10
OUTPUT CURRENT (AMPS)
DBST
IN5819
50mA
+
20
®
CBST
1 F
, 12T 4X12 ON 77439-A7
+
C
47 F
12VIN
30
40
LT1339 • TA02
R
22k
R1
Q3
Q4
50
Q1
Q2
COMMENTS
Current Limit Protection, 100% of Duty Cycle
Up to 60V Input Supply, No Shoot-Through
V
Smooth Operation at High Duty Cycle (95% to 100%)
Excellent for 5V to 3.xV Up to 50A
Drives Synchronous N-Channel MOSFETs
Tight 1% Reference
High Side Current Sense, Up to 60V Input
R
1.2k
IN
R2
to 60V, Good for Full-Bridge Applications
63V, 6
1500 F
MMSZ4684
D2
MBR0520
C
IN
C
D3
BG
, 1 F
+
R
10k
D4
IN914
BG
LT/TP 0299 2K REV A • PRINTED IN THE USA
LINEAR TECHNOLOGY CORPORATION 1997
IRFZ44
48V
V
4
IN
6.3V, 4
2200 F
IRFZ44
0.002
2
C
OUT
D1
R
S
+
L1
40 H
1339 TA01
V
5V AT 50A
OUT
sn1339 1339fas