lt3694-1 Linear Technology Corporation, lt3694-1 Datasheet - Page 28

• Manufacturer Part Number: lt3694-1
• Description: Lt3694/lt3694-1 - 36v, 2.6a Monolithic Buck Regulator With Dual Ldo
• Manufacturer: Linear Technology Corporation

LT3694/LT3694-1
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION
LT3480
LT3500
LT3507
LT3685
LT3970
LT3980
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
36V with Transient Protection to 60V, 2A (I
Efficiency Step-Down DC/DC Converter with Burst Mode
36V, 40V
Converter and LDO Controller
36V, 2.5MHz, Triple (2.4A + 1.5A + 1.5A (I
High Efficiency Step-Down DC/DC Converter
36V with Transient Protection to 60V, 2A (I
Efficiency Step-Down DC/DC Converter
40V, 350mA, 2MHz High Efficiency Micropower Step-Down
DC/DC Converter
58V with Transient Protection to 80V, 2A (I
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
TRANSIENT TO 70V
450mA
OUT2
OUT1
2.5V
1.8V, 800mA
MAX
6V TO 28V
●
ZXTN25012EZ
FAX: [phone]
, 2A, 2.5MHz High Efficiency Step-Down DC/DC
0.1Ω
6V to 28V Input Range with Cascaded Step Down — 3.3V, 2.5V and 1.8V Outputs
OUT4
EN4
EN5
EN6
V
IN
2.2μF
10.7k
24.9k
1nF
10μF
2.2μF
Plus Independently Enabled 1.8V, 1.5V and 1.2V Outputs
●
20pF
511k
www.linear.com
52.3k
1.5μH
EN/UVLO
TRK/SS1
TRK/SS2
TRK/SS3
LIM2
DRV2
FB2
CLKOUT
PGOOD
OUT
40.2k
OUT
OUT
OUT
)) with LDO Controller
200k
), 2.4MHz, High
), 2.4MHz, High
), 2.4MHz, High
GNDA
255k
RT
LT3694-1
RUN1
PGOOD1
RUN2
PGOOD2
RUN3
SYNC/MODE
SW1
V
GND
V
FB1
IN
10μF
f
SW
BIAS
GNDA
®
Operation
= 1MHz
V
LTC3545
IN
DRV3
LIM3
BST
FB1
V
FB3
SW
DA
C1
PV
PGND
IN
14k
10k
10μF
30.9k
COMMENTS
V
3mm × 3mm DFN-10 and MSOP-10E Packages
V
3mm × 3mm DFN-10 Package
V
5mm × 7mm QFN-38 Package
V
3mm × 3mm DFN-10 and MSOP-10E Packages
V
I
V
I
SD
SD
SW2
V
SW3
V
IN
IN
IN
IN
IN
IN
FB2
FB3
B340A
ZXTN25012EZ
0.1μF
: 3.6V to 38V, V
: 3.6V to 36V, V
: 4V to 36V, V
: 3.6V to 38V, V
: 4V to 40V, Transient to 60V, V
: 3.6V to 58V, Transient to 80V, V
PGND
< 1μA, 3mm × 2mm DFN-10 and MSOP-10 Packages
< 1μA, 3mm × 4mm DFN-16 and MSOP-16E Packages
0.2Ω
270pF
2.2μH
226k
200k
2.2μF
1.5μH
1.5μH
OUT(MIN)
OUT3
1.8V
200mA
OUT1
20pF
226k
20pF
301k
OUT(MIN)
OUT(MIN)
OUT(MIN)
34k
10k
= 0.8V, I
= 0.78V, I
= 0.8V, I
= 0.78V, I
© LINEAR TECHNOLOGY CORPORA TION 2010
22μF
10μF
OUT5
1.2V
800mA
Q
OUT(MIN)
10μF
OUT6
1.5V, 800mA
Q
= 7mA, I
OUT(MIN)
Q
Q
= 2.5mA, I
= 70μA, I
= 70μA, I
LT 0111 REV A • PRINTED IN USA
36941 TA05
OUT1
3.3V
500mA
= 1.21V, I
SD
= 0.8V, I
< 1μA,
SD
SD
SD
< 1μA,
< 10μA,
< 1μA,
Q
Q
= 2μA,
= 85μA,
36941fa