LTC3890EGN-1#PBF Linear Technology, LTC3890EGN-1#PBF Datasheet - Page 28

• 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
APPLICATIONS INFORMATION
28
*R1, R2, C1, C2, D1, D2 ARE OPTIONAL.
f
IN
R1*
R2*
C1*
C2*
ITH1
V
SENSE1
SENSE1
FREQ
PHASMD
CLKOUT
PLLIN/MODE
RUN1
RUN2
SGND
SENSE2
SENSE2
V
ITH2
TRACK/SS2
Figure 11. Recommended Printed Circuit Layout Diagram
FB1
FB2
LTC3890
+
–
–
+
TRACK/SS1
PGOOD2
PGOOD1
BOOST1
BOOST2
EXTV
INTV
PGND
SW1
SW2
ILIM
TG1
BG1
BG2
TG2
V
CC
CC
IN
R
PGOOD2
PU2
C
C
V
C
B2
B1
PULL-UP
INTVCC
R
PGOOD1
PU1
C
CERAMIC
VIN
V
R
M1
V
M3
IN
IN
PULL-UP
1μF
CERAMIC
+
M2
M4
1μF
L1
C
L2
IN
R
R
SENSE
SENSE
C
C
D2*
D1*
OUT1
OUT2
3890 F11
+
+
V
GND
V
OUT1
OUT2
3890fa