LTC3608(RevC) Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LTC3608 Datasheet PDF : 26 Pages
| |||
LTC3608
Typical Applications
3.6V Input to 1.5V/8A at 750kHz
PGND
INTVCC
CVCC
4.7µF
6.3V
SW
CF
0.47µF
25V
40 39 38 37 36 35 34 33 32 31 30 29 28 27
VIN2 = 5V
EXTVCC
C4
0.01µF
SGND
VOUT
1.5V AT
8A
C5
22µF
6.3V
(OPTIONAL)
GND
COUT1 +
100µF
×2
L1
0.2µH
VIN
3.6V
CIN
10µF
3×
VIN
GND
C6 +
10µF
10V
(OPTIONAL)
41 SW
42 SW
43 SW
44 SW
45 SW
46 SW
47 SW
48 PVIN
49 PVIN
50 PVIN
51 PVIN
52 PVIN
LTC3608
SGND 26
NC 25
NC 24
VFB 23
ION 22
NC 21
SGND 20
FCB 19
ITH 18
VRNG 17
PGOOD 16
SGND 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
CIN: TAIYO YUDEN TMK432BJ106MM
COUT1: TDKC4532X5ROJ107M
L1: CDEP85NP-R20MC-50
C5: TAIYO YUDEN JMK316BJ226ML-T
KEEP POWER GROUND AND SIGNAL GROUND SEPARATE.
CONNECT AT ONE POINT.
INTVCC
CB1
0.22µF
CSS
0.1µF
R1
20.5k
1%
R2
C1
30.1k
1%
(OPTIONAL) RON
113k
1%
CON
0.01µF
(OPTIONAL)
(OPTIONAL)
C2
VOUT
VIN
R5
6.19k
CC1
3300pF
39.2k
INTVCC
11k
RPG1
100k
INTVCC
CC2
100pF
RSS1
510k
VIN
(OPTIONAL)
VOUT
0.1µF
SGND
VOUT
3608 TA02
= PGND
= SGND
Transient Response
IL
5A/DIV
VOUT
200mV/DIV
20µs/DIV
LOAD STEP 1A-8A
VIN = 3.6V
VOUT = 1.5V
FCB = 0V
3608 TA02a
100
95
90
85
80
75
70
65
60
55
50
100
Efficiency Curve
DCM
CCM
VIN = 3.6V
FREQ = 750kHz
1000
1000
LOAD CURRENT (A)
10000
3608 TA02b
3608fc
21
Share Link: 