LTC3778 데이터 시트보기 (PDF) - Linear Technology
부품명
상세내역
제조사
LTC3778 Datasheet PDF : 24 Pages
| |||
LTC3778
W
FU CTIO AL DIAGRA
VOUT
2 VON
0.7V 2.4V
RON
8 ION
6 FCB
1µA
10 EXTVCC
4.7V
+–
tON
=
VVON
IION
(10pF)
R
SQ
0.6V
–+
F
20k
+
ICMP
IREV
–
1.4V
VRNG
4
0.7V
×
(0.5~2)
3.3µA
FCNT
ON
SWITCH
LOGIC
SHDN
OV
VIN
11 VIN
+
CIN
0.6V
REF
5V
REG
BOOST
20
TG
19
SW
18
SENSE+
17
SENSE–
16
DRVCC
13
BG
14
INTVCC
12
CB
DB
M1
L1
+
COUT
M2
VOUT
CVCC
PGND
15
3
PGOOD
RSENSE
(OPTIONAL)*
R2
1
240k
ITHB
1V
Q2 Q4
Q6
Q3 Q1
+– 0.8V
×5.3
EA
0.6V
Q5
SS
–+
0.6V
5 ITH RC CC1
0.54V
UV
RUN
SHDN/
LATCH-OFF
OV
0.66V
1.2µA
6V
0.4V
1 RUN/SS CSS
VFB
9
R1
SGND
7
SW
SENSE+
BG
M2
SENSE–
PGND
*CONNECTION W/O
SENSE RESISTOR
1778 FD
3778f
8
Share Link: 