LT3757IDD#PBF Linear Technology, LT3757IDD#PBF Datasheet - Page 6

• Manufacturer Part Number: LT3757IDD#PBF
• Description: IC CTRLR DC/DC ADJ 10-DFN
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Inverting, Flyback, Sepicr

Specifications of LT3757IDD#PBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Frequency - Switching: 100kHz ~ 1MHz
• Voltage - Input: 2.9 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -

LT3757
Typical perForMance characTerisTics

7.30
7.25
7.20
7.15
7.10
7.4
7.3
7.2
7.1
7.0
30
25
20
10
15
0
5
–75 –50
0
3
INTV
INTV
Gate Drive Rise
and Fall Time vs INTV
C
L
= 3300pF
FALL TIME
5
CC
CC
–25
vs Temperature
Line Regulation
10
6
TEMPERATURE (°C)
RISE TIME
0
15
INTV
25
V
IN
20
9
CC
(V)
50
(V)
25
75
CC
30
12
100
125
35
3757 G16
3757 G13
3757 G19
150
40
15
I
L1A
5V/DIV
5A/DIV
+ I
V
600
200
100
700
500
400
300
OUT
L1B
70
60
40
10
90
80
50
30
20
0
0
0
0
INTV
vs V
INTV
vs Current, Temperature
Typical Start-Up Waveforms
V
T
V
IN
J
IN
= 150°C
= 6V
= 12V
5
IN
CC
CC
Minimum Output Current
10
Dropout Voltage
INTV
5
INTV
INTV
PAGE 31 CIRCUIT
CC
15
CC
= 6V
CC
2ms/DIV
V
IN
= 4.5V
LOAD (mA)
125°C
20
10
(V)
25
15
30
150°C
–55°C
35
25°C
T
3757 G17
75°C
3757 G14
3757 G20
0°C
A
= 25°C, unless otherwise noted.
40
20
I
L1A
10V/DIV
20V/DIV
5A/DIV
+ I
V
V
OUT
7.3
7.2
7.1
6.9
6.8
L1B
SW
90
80
70
60
50
40
30
20
10
0
7
0
0
INTV
FBX Frequency Foldback
Waveforms During Overcurrent
Gate Drive Rise
and Fall Time vs C
INTV
V
IN
= 8V
10
CC
CC
5
= 7.2V
Load Regulation
20
INTV
RISE TIME
PAGE 31 CIRCUIT
10
CC
50µs/DIV
30
C
L
LOAD (mA)
15
(nF)
L
40
20
50
FALL TIME
V
IN
25
60
= 12V
3757 G15
3757 G18
3757 G21
3757fb
70
30