LT3758EMSE#PBF Linear Technology, LT3758EMSE#PBF Datasheet - Page 31

• Manufacturer Part Number: LT3758EMSE#PBF
• Description: IC CTRLR DC/DC ADJ 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Inverting, Flyback, Sepicr

Specifications of LT3758EMSE#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Frequency - Switching: 100kHz ~ 1MHz
• Voltage - Input: 5.5 ~ 100 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP Exposed Pad, 10-HMSOP, 10-eMSOP
• Dc To Dc Converter Type: FLYBACK CONTROLLER
• Pin Count: 10
• Input Voltage: 5.5 to 100V
• Output Voltage: 1.6 to 100V
• Package Type: MSOP EP
• Mounting: Surface Mount
• Operating Temperature Classification: Automotive
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

TYPICAL APPLICATIONS
IL
1A +
10V/DIV
1A/DIV
V
100
IL
OUT
90
80
70
60
50
40
30
20
10
1B
0.001
V
IN
Effi ciency vs Output Current
18V TO 72V
= 48V
V
Start-Up Waveform
IN
OUTPUT CURRENT (A)
= 48V
V
0.01
IN
2ms/DIV
C
C
IN
OUT
, C
: MURATA GRM31CR61E106KA12L
V
DC
IN
: TAIYO YUDEN HMK325B7225KN-T
= 18V
0.1
41.2k
300kHz
C
2.2μF
100V
X7R
IN
V
IN
= 72V
18V to 72V Input, 24V Output SEPIC Converter
3757 TA06d
3757 TA06b
232k
20k
0.47μF
1
SHDN/UVLO
SYNC
RT
SS
VC
10k
10nF
LT3758
V
GND INTV
IN
SENSE
L1A, L1B: COILTRONICS DRQ127-470
M1: FAIRCHILD SEMICONDUCTOR FDMS2572
D1: ON SEMICONDUCTOR MBRS3100T3G
GATE
FBX
CC
C
4.7μF
10V
X5R
VCC
L1A
0.5A/DIV
IL
•
I
OUT
1A +
20V/DIV
50V/DIV
M1
0.025Ω
1V/DIV
2A/DIV
V
V
(AC)
0.8A
0.2A
V
IL
X7R, 2
OUT
OUT
SW
2.2μF
100V
1B
C
DC
Frequency Foldback Waveforms
V
IN
When Output Short-Circuit
•
= 48V
L1B
Load Step Waveform
D1
500μs/DIV
50μs/DIV
280k
1%
20k
1%
3757 TA06a
C
10μF
25V
X5R
OUT
4
V
24V
1A
V
OUT
IN
= 48V
3757 TA06c
3757 TA06e
LT3758
31
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