LTC3890EGN-1#TRPBF Linear Technology, LTC3890EGN-1#TRPBF Datasheet - Page 10

• Manufacturer Part Number: LTC3890EGN-1#TRPBF
• Description: IC BUCK SYNC ADJ DUAL 28SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3890EGN-1#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 24 V
• Frequency - Switching: 350kHz ~ 535kHz
• Voltage - Input: 4 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

LTC3890-1
FUNCTIONAL DIAGRAM
10
PLLIN/MODE
PGOOD1
EXTV
FREQ
V
IN
4.7V
CC
+
–
20μA
100k
EN
5.1V
LDO
+
–
+
–
SGND
0.88V
0.72V
V
SYNC
FB1
DET
EN
C
5.1V
LDO
LP
VCO
INTV
CC
CLK1
CLK2
PFD
DUPLICATE FOR SECOND
CONTROLLER CHANNEL
RUN
11V
7μA (RUN1)
0.5μA (RUN2)
0.65V
2.7V
SLOPE COMP
ICMP
2(V
SHDN
RST
FB
S
R
0.425V
)
–
+
–
Q
Q
+
FOLDBACK
DROP
OUT
DET
+
–
+ –
3mV
TOP ON
SHDN
SLEEP
BOT
+
–
OV
IR
SWITCH
SHDN
LOGIC
EA
–
–
+
+
TOP
BOT
0.80V
TRACK/SS
0.88V
INTV
1μA
CC
TRACK/SS
SENSE
SENSE
BOOST
PGND
SW
V
ITH
TG
BG
FB
+
–
INTV
R
CC
A
C
C
C
D
C
C2
SS
R
C
B
B
B
V
L
IN
R
C
D
R
SENSE
C
IN
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