LTC3890EGN-1#PBF Linear Technology, LTC3890EGN-1#PBF Datasheet - Page 2

• 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: -

ABSOLUTE MAXIMUM RATINGS
LTC3890
(Note 1)
Input Supply Voltage (V
Topside Driver Voltages
Switch Voltage (SW1, SW2) ......................... –5V to 65V
(BOOST1-SW1), (BOOST2-SW2) ................ –0.3V to 6V
RUN1, RUN2 ............................................... –0.3V to 8V
SENSE1
SENSE2
PLLIN/MODE Voltage ................................... –0.3V to 6V
FREQ Voltage ........................................ –0.3V to INTV
I
EXTV
ITH1, ITH2, V
PGOOD1, PGOOD2 Voltages ....................... –0.3V to 6V
TRACK/SS1, TRACK/SS2 Voltages ............. –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 3)
Storage Temperature Range .................. –65°C to 150°C
ORDER INFORMATION
LEAD FREE FINISH
LTC3890EUH#PBF
LTC3890IUH#PBF
LTC3890HUH#PBF
LTC3890MPUH#PBF
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
V
2
LIM
IN
FB1,2
BOOST1, BOOST2 .................................–0.3V to 71V
Maximum Current Sourced into Pin from
Source > 8V .....................................................100μA
LTC3890E, LTC3890I ......................... –40°C to 125°C
LTC3890H .......................................... –40°C to 150°C
LTC3890MP ....................................... –55°C to 150°C
, PHASMD Voltages ....................... –0.3V to INTV
CC
+
–
, SENSE2
..................................................... –0.3V to 14V
Voltages ..................................... –0.3V to 28V
PARAMETER
Input Supply Operating Voltage Range
Regulated Feedback Voltage
FB1
, V
+
FB2
, SENSE1
TAPE AND REEL
LTC3890EUH#TRPBF
LTC3890IUH#TRPBF
LTC3890HUH#TRPBF
LTC3890MPUH#TRPBF
Voltages ................... –0.3V to 6V
IN
) ......................... –0.3V to 65V
–
http://www.linear.com/leadfree/
PART MARKING*
3890
3890
3890
3890
CONDITIONS
(Note 4) I
–40°C to 85°C, All Grades
LTC3890E, LTC3890I
LTC3890H, LTC3890MP
http://www.linear.com/tapeandreel/
A
= 25°C. V
TH1,2
The
CC
CC
Voltage = 1.2V
l
IN
denotes the specifications which apply over the full operating junction
= 12V, V
PIN CONFIGURATION
RUN1,2
PACKAGE DESCRIPTION
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
32-Lead (5mm × 5mm) Plastic QFN
PLLIN/MODE
PHASMD
SENSE1
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
= 5V, EXTV
CLKOUT
SGND
RUN1
RUN2
FREQ
–
1
2
3
4
5
6
7
8
32-LEAD (5mm × 5mm) PLASTIC QFN
CC
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
T
JMAX
= 0V unless otherwise noted. (Note 2)
l
l
= 150°C, θ
UH PACKAGE
TOP VIEW
SGND
0.792
0.788
0.786
MIN
33
4
JA
= 34°C/W
0.800
0.800
0.800
TYP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
24
23
22
21
20
19
18
17
BOOST1
BG1
V
PGND
EXTV
INTV
BG2
BOOST2
0.808
0.812
0.812
IN
MAX
60
CC
CC
UNITS
3890fa
V
V
V
V