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

• Manufacturer Part Number: LTC3890EGN-1#PBF
• Description: IC BUCK SYNC ADJ 25A DUAL 28SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3890EGN-1#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 24 V
• Current - Output: 25A
• Frequency - Switching: 50kHz ~ 900kHz
• Voltage - Input: 4 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Primary Input Voltage: 12V
• No. Of Outputs: 2
• Output Voltage: 24V
• Output Current: 25A
• No. Of Pins: 32
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Supply Voltage Min: 4V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3890
FUNCTIONAL DIAGRAM
10
PLLIN/MODE
PGOOD1
PGOOD2
EXTV
FREQ
I
V
27
14
LIM
28
22
20
2
5
IN
4.7V
CC
+
–
20μA
100k
EN
5.1V
LDO
33
+
–
+
–
+
–
+
–
SGND
0.88V
0.72V
0.88V
0.72V
V
V
SYNC
FB1
FB2
DET
CURRENT
LIMIT
EN
C
5.1V
LDO
19
LP
PHASMD
VCO
INTV
3
CC
CLK1
CLKOUT
CLK2
PFD
4
RUN
7, 8
DUPLICATE FOR SECOND
CONTROLLER CHANNEL
11V
7μA (RUN1)
0.5μA (RUN2)
0.65V
2.7V
SLOPE COMP
2(V
ICMP
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
+
–
+
–
0.80V
TRACK/SS
0.88V
TOP
BOT
INTV
1μA
CC
TRACK/SS
SENSE
SENSE
BOOST
24, 17
25, 16
26, 15
23, 18
PGND
32, 10
31, 11
30, 12
29, 13
SW
1, 9
V
ITH
TG
BG
21
FB
+
–
INTV
R
CC
A
C
C
C
D
C
C2
C
SS
R
B
B
B
V
L
IN
R
C
R
SENSE
C
IN
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