LT3782EFE-PBF LINER [Linear Technology], LT3782EFE-PBF Datasheet - Page 5

• Manufacturer Part Number: LT3782EFE-PBF
• Description: 2-Phase Step-UP DC/DC Controller
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
1000
10.4
10.3
10.2
10.1
10.0
11.0
10.9
10.8
10.7
10.6
10.5
600
500
400
300
200
100
900
800
700
600
500
400
300
200
100
0
0
0
0
V
Switching Frequency vs R
SGATE (Low) to BGATE (High)
Delay vs V
GBIAS
20
40
0.5
vs I
60
DELAY
GBIAS
1.0
80
I
R
GBIAS
V
FREQ
DELAY
100
(R
50
(mA)
(kΩ)
SET
(V)
120
1.5
= 80k)
140
FREQ
160
2.0
180
3782 G01
3782 G04
3782 G07
100
200
2.5
2.446
2.444
2.442
2.440
2.438
2.436
2.434
20
18
16
14
12
10
8
6
4
2
0
105
100
6
I
95
90
85
80
Reference Voltage
vs Temperature
0
CC
100
8
Switching Frequency
vs Duty Cycle
vs V
10
25
JUNCTION TEMPERATURE (°C)
CC
12
200
SWITCHING FREQUENCY (kHz)
14
50
16
V
300
CC
18
75
(V)
20
22
400
100
24
26
125
500
3782 G02
28
3782 G05
T
A
3782 G08
30
150
= 25°C unless otherwise noted.
600
14
12
10
–2
8
6
4
2
0
–1
–2
–3
–4
–5
3
2
1
0
0
V
(Charging 2μF)
6
ΔV
(R
GBIAS
120
110
100
SET
REF
90
80
70
60
50
40
9
0
Maximum Duty Cycle Limit vs
V
250μ
= 80k)
vs I
vs V
DCL
12
0.3
GBIAS
CC
(R
ΔV
15
, ΔFrequency vs V
0.6
TIME (s)
SET
REF
500μ
V
ΔFrequency
at Start-Up
CC
18
= 80k)
0.9
(V)
V
I
V
GBIAS
GBIAS
21
DCL
1.2
750μ
(V)
LT3782
24
1.5
27
3782 G06
1.8
3782 G03
CC
1m
30
800
700
600
500
400
300
200
100
0
2.1
12
10
8
4
2
0
–2
–4
6
3782ff
5
3782 G09
2.4