Datasheet

LT6110
32
6110fa
For more information www.linear.com/LT6110
Typical applicaTions
32.4k
600kHz
V
IN
V
IN
6.5V TO 25V
UVLO
EN
0.68µF
100µF
0.8V
47pF10.2k
301k
4.7µH
LT3690
GND
100k
NC +IN
IOUT
LT6110
V
+
RSIMON
–IN
8
7
6
5
1
2
3
4
V
–
BST
PG
BIAS
SW
V
CCINT
22k
V
C
SYNC
FB
RT
6110 TA02
V
LOAD
3.3V
4A
0.1µF
10µF
0.47µF
SS
1000pF
R
WIRE
0.25Ω
R
SENSE
*
8.5mΩ
*THE CURRENT SENSE RESISTOR
IS THE DCR OF A LOW COST INDUCTOR.
COILCRAFT 0908SQ-27N (27nH)
WIRE DROP COMPENSATION: V
LOAD
= 3.3V, I
LOADMAX
= 4A, USING 10ft, 24AWG WIRE.
MEASURED V
LOAD
REGULATION FOR 0 ≤ I
LOAD
≤ 4A AT 25°C:
WITHOUT COMPENSATION: ∆V
LOAD
= 1000mV (250mV/A)
WITH COMPENSATION: ∆V
LOAD
= 16mV (4mV/A)
R
IN
340Ω
LOAD
680pF
LT6110 with External R
SENSE
and LT3690 Buck Regulator at 3.3V
32.4k
600kHz
V
IN
V
IN
8.5V TO 36V
UVLO
EN
0.68µF
47µF
0.8V
47pF20.5k
511k
10µH
LT3690
GND
100k
NC +IN
IOUT
LT6110
V
+
RSIMON
–IN
8
7
6
5
1
2
3
4
V
–
BST
PG
BIAS
SW
V
CCINT
22k
V
C
SYNC
FB
RT
6110 TA03
V
LOAD
5V
4A
0.1µF
10µF
0.47µF
SS
1000pF
R
WIRE
0.5Ω
R
SENSE
*
8.5mΩ
*THE CURRENT SENSE RESISTOR
IS THE DCR OF A LOW COST INDUCTOR.
COILCRAFT 0908SQ-27N (27nH)
WIRE DROP COMPENSATION: V
LOAD
= 5V, I
LOADMAX
= 4A, USING 20ft, 24AWG WIRE.
MEASURED V
LOAD
REGULATION FOR 0 ≤ I
LOAD
≤ 4A AT 25°C:
WITHOUT COMPENSATION: ∆V
LOAD
= 2000mV (500mV/A)
WITH COMPENSATION: ∆V
LOAD
= 24mV (6mV/A)
R
IN
340Ω
LOAD
680pF
LT6110 with External R
SENSE
and LT3690 Buck Regulator at 5V