LTC3813 Datasheet, PDF (2/32 Pages) Linear Technology – 100V Current Mode Synchronous Step-Up Controller

LTC3813
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltages
INTV_CC, DRV_CC....................................... –0.3V to 14V
(DRV_CC - BGRTN), (BOOST - SW).......... –0.3V to 14V
BOOST ................................................. –0.3V to 114V
BGRTN........................................................ –5V to 0V
EXTV_CC .................................................. –0.3V to 15V
(NDRV - INTV_CC) Voltage ........................... –0.3V to 10V
SW, SENSE⁺ Voltage ................................... –1V to 100V
I_OFF Voltage .............................................. –0.3V to 100V
SS Voltage ................................................... –0.3V to 5V
PGOOD Voltage............................................ –0.3V to 7V
V_RNG, V_OFF, SYNC, SHDN,
UVIN Voltages........................................ –0.3V to 14V
PLL/LPF, FB Voltages................................. –0.3V to 2.7V
TG, BG, INTV_CC, EXTV_CC RMS Currents .................50mA
Operating Temperature Range (Note 2)
LTC3813E............................................. –40°C to 85°C
LTC3813I............................................ –40°C to 125°C
Junction Temperature (Notes 3, 7)........................ 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
I_OFF 1
NC 2
NC 3
V_OFF 4
V_RNG 5
PGOOD 6
SYNC 7
I_TH 8
V_FB 9
PLL/LPF 10
SS 11
SGND 12
SHDN 13
UVIN 14
TOP VIEW
28 BOOST
27 TG
26 SW
25 SENSE⁺
24 NC
23 NC
22 NC
21 SENSE^–
20 BGRTN
19 BG
18 DRV_CC
17 INTV_CC
16 EXTV_CC
15 NDRV
G PACKAGE
28-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 100°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC3813EG#PBF
LTC3813EG#TRPBF
LTC3813EG
28-Lead Plastic SSOP
LTC3813IG#PBF
LTC3813IG#TRPBF
LTC3813IG
28-Lead Plastic SSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
ELECTRICAL CHARACTERISTICS The l denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C, INTV_CC = DRV_CC = V_BOOST = V_OFF = V_RNG = SHDN = UV_IN = V_EXTVCC =
V_NDRV = 10V, V_SYNC = V_SENSE+ = V_SENSE^– = V_BGRTN = V_SW = 0V, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Main Control Loop
INTV_CC
I_Q
I_BOOST
INTV_CC Supply Voltage
INTV_CC Supply Current
INTV_CC Shutdown Current
BOOST Supply Current
l 6.35
14
V
SHDN
SHDN
>
=
1.5V,
0V
I_NTVCC
=
9.5V
(Notes
4,
5)
3
6
mA
240 600
μA
SHDN > 1.5V (Note 5)
SHDN = 0V
270 400
μA
0
5
μA
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