LTC3807_15 Datasheet, PDF (2/32 Pages) Linear Technology – Low IQ, Synchronous Step-Down Controller with 24V Output Voltage Capability

LTC3807
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V_IN).......................... –0.3V to 40V
Topside Driver Voltage (BOOST)................. –0.3V to 46V
Switch Voltage (SW)...................................... –5V to 40V
(BOOST-SW)................................................. –0.3V to 6V
RUN.............................................................. –0.3V to 8V
Maximum Current Sourced into Pin from
Source > 8V.......................................................100μA
SENSE⁺, SENSE^– Voltages.......................... –0.3V to 28V
PLLIN/MODE, INTV_CC Voltages.................... –0.3V to 6V
I_LIM, FREQ Voltages............................... –0.3V to INTV_CC
EXTV_CC....................................................... –0.3V to 14V
ITH, V_FB Voltages.......................................... –0.3V to 6V
PGOOD Voltage............................................. –0.3V to 6V
TRACK/SS Voltage........................................ –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 3)
LTC3807E, LTC3807I.......................... –40°C to 125°C
LTC3807H........................................... –40°C to 150°C
LTC3807MP........................................ –55°C to 150°C
Maximum Junction Temperature (Notes 2, 3)
LTC3807E, LTC3807I......................................... 125°C
LTC3807H, LTC3807MP.................................... 150°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
PLLIN/MODE 1
SGND 2
SGND 3
RUN 4
SENSE^– 5
SENSE⁺ 6
20 19 18 17
21
SGND
16 PGND
15 EXTV_CC
14 INTV_CC
13 BG
12 BOOST
11 SW
7 8 9 10
UDC PACKAGE
20-LEAD (3mm × 4mm) PLASTIC QFN
T_JMAX = 150°C, θ_JA = 43°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
TOP VIEW
TRACK/SS 1
FREQ 2
PLLIN/MODE 3
SGND 4
SGND 5
RUN 6
SENSE^– 7
SENSE⁺ 8
V_FB 9
ITH 10
21
SGND
20 I_LIM
19 V_IN
18 PGND
17 EXTV_CC
16 INTV_CC
15 BG
14 BOOST
13 SW
12 TG
11 PGOOD
FE PACKAGE
20-LEAD PLASTIC TSSOP
T_JMAX = 150°C, θ_JA = 38°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3807EUDC#PBF
LTC3807IUDC#PBF
LTC3807HUDC#PBF
LTC3807MPUDC#PBF
LTC3807EFE#PBF
LTC3807IFE#PBF
TAPE AND REEL
LTC3807EUDC#TRPBF
LTC3807IUDC#TRPBF
LTC3807HUDC#TRPBF
LTC3807MPUDC#TRPBF
LTC3807EFE#TRPBF
LTC3807IFE#TRPBF
PART MARKING*
LGSG
LGSG
LGSG
LGSG
LTC3807FE
LTC3807FE
PACKAGE DESCRIPTION
20-Lead (3mm × 4mm) Plastic QFN
20-Lead (3mm × 4mm) Plastic QFN
20-Lead (3mm × 4mm) Plastic QFN
20-Lead (3mm × 4mm) Plastic QFN
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
2
For more information www.linear.com/LTC3807
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–55°C to 150°C
–40°C to 125°C
–40°C to 125°C
3807f