LTM8048
19
8048fg
For more information www.linear.com/LTM8048
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
REVISION HISTORY
REV DATE DESCRIPTION PAGE NUMBER
A 6/12 Added storage temperature range.
Clarify V
OUT2
and ADJ1 pin function description.
Clarify R
ADJ2
equation.
Updated Related Parts table.
2
8
13
20
B 8/12 Add Safety Rated Capacitors section. 12
C 9/12 Correct Pin Assignment Table. 17
D 3/13 Updated Typical Application schematic.
Added Operating Conditions to Output Ripple graph.
Updated Related Parts table.
1
5
20
E 1/14 Revised R
ADJ1
value for 5V
OUT
and added minimum and maximum limits.
Revised R
ADJ1
value for 5V
OUT
in Table 1a.
3
10
F 1/14 Added SnPb Terminal Finish Option. 1, 2
G 7/15 Added ADJ and Line Regulation discussion. 12
LTM8048
20
8048fg
For more information www.linear.com/LTM8048
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2011
LT 0715 REV G • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
5V Flyback Converter with Low Noise Bypass
725VDC ISOLATION
LTM8048
8048 TA05
V
IN
15VDC TO 30VDC
V
OUT2
5V
6.19k
162k
4.7µF
V
OUT1
V
OUT2
V
IN
RUN
ADJ1
SS
BYPBIAS
GND
ADJ2
V
OUT
0.01µF
ISOLATION BARRIER
5.7V
10µF
22µF
2.2µF
Total Output Current vs V
IN
V
IN
(V)
15
OUTPUT CURRENT (mA)
400
380
360
340
320
300
260
220
280
240
200
8048 TA05b
30
2520
PART NUMBER DESCRIPTION COMMENTS
LTM8031 Ultralow EMI 1A µModule Regulator EN55022 Class B Compliant, 3.6V ≤ V
IN
≤ 36V; 0.8V ≤ V
OUT
≤ 10V
LTM8032 Ultralow EMI 2A µModule Regulator EN55022 Class B Compliant, 3.6V ≤ V
IN
≤ 36V; 0.8V ≤ V
OUT
≤ 10V
LTM8033 Ultralow EMI 3A µModule Regulator EN55022 Class B Compliant, 3.6V ≤ V
IN
≤ 36V; 0.8V ≤ V
OUT
≤ 24V
LTM4612 Ultralow EMI 5A µModule Regulator EN55022 Class B Compliant, 5V ≤ V
IN
≤ 36V; 3.3V ≤ V
OUT
≤ 15V
LTM8061 Li-Ion/Polymer µModule Battery Charger 4.95V ≤ V
IN
≤ 32V, 2A Charge Current, 1-Cell and 2-Cell, 4.1V or 4.2V per Cell
LTM4613 Ultralow EMI 8A µModule Regulator EN55022 Class B Compliant, 5V ≤ V
IN
≤ 36V; 3.3V ≤ V
OUT
≤ 15V
LTM8047 725VDC Isolated µModule Converter 3.1V ≤ V
IN
≤ 32V; 2.5V ≤ V
OUT
≤ 12V
LTC2978 Octal Digital Power Supply Manager with EEPROM I
2
C/PMBus Interface, Configuration EEPROM, Fault Logging, 16-Bit ADC with
±0.25% TUE, 3.3V to 15V Operation
LTC2974 Quad Digital Power Supply Manager with EEPROM I
2
C/PMBus Interface, Configuration EEPROM, Fault Logging, Per Channel Voltage,
Current and Temperature Measurements
(408) 432-1900
FAX: (408) 434-0507
www.linear.com/LTM8048

LTM8048EY#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 725VDC Isolated DC/DC Module Converter with LDO Post Regulator
Lifecycle:
New from this manufacturer.
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