LTC3788-1_1 LINER [Linear Technology], LTC3788-1_1 Datasheet - Page 30

• Manufacturer Part Number: LTC3788-1_1
• Description: 2-Phase, Dual Output Synchronous Boost Controller
• Manufacturer: LINER [Linear Technology]

LTC3788-1
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC3862/LTC3862-1
LTC3813/LTC3814-5
LTC1871/LTC1871-1/
LTC1871-7
LT3757/LT3758
LTC3780
30
C
C
L1: PULSE PA1494.362NL
L2: PULSE PA1294.132NL
MBOT1, MBOT2, MTOP1, MTOP2: RENESAS HAT2169H
* WHEN V
12.1k, 1%
INA
INB
C
12.1k
R
C
R
, C
, C
ITH2
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
ITH1
A1
A2
OUTA1
OUTB1
, 15nF
, 15nF
IN
C
C
C
C
R
232k
1%
ITHA2
R
110k
< 8V, MAXIMUM LOAD CURRENT AVAILABLE IS REDUCED
ITH1
, C
, C
SS1
SS2
B1
B2
OUTA2
OUTB2
, 220pF
, 0.1μF
, 0.1μF
, 100pF
DESCRIPTION
Multiphase Current Mode Step-Up DC/DC Controller
100V/60V Maximum V
Step-Up DC/DC Controller
Wide Input Range, No Rsense Low Quiescent Current
Flyback, Boost and SEPIC Controller
Boost, Flyback, SEPIC and Inverting Controller
High Effi ciency Synchronous 4-Switch Buck-Boost
DC/DC Controller
: SANYO, 50CE220AX
: TDK C4532X5R1E226M
●
R
8.66k
R
FAX: [phone]
2.7k
ITH1
ITH2
OUT
SENSE1
SENSE1
VFB1
ITH1
SS1
PLLIN/MODE
SGND
EXTV
RUN1
RUN2
FREQ
SS2
ITH2
VFB2
SENSE2
SENSE2
●
Current Mode Synchronous
High Effi ciency Dual 12V/24V Boost Converter
CC
www.linear.com
LTC3788-1
–
+
+
–
PGOOD1
BOOST1
BOOST2
INTV
VBIAS
PGND
SW1
SW2
BG1
TG1
BG2
TG2
CC
100k
C
C
B1
B1
D1
D2
, 0.1μF
, 0.1μF
INTV
COMMENTS
4V ≤ V
SSOP-24, TSSOP-24, 5mm × 5mm QFN-24
No R
SSOP-28, TSSOP-16
Adjustable Switching Frequency, 2.5V ≤ V
Burst Mode
V
Frequency, 3mm × 3mm DFN-10 and MSOP-10E
4V ≤ V
C
4.7μF
IN
INT
CC
Up to 40V/100V, 100kHz to 1MHz Programmable Operation
SENSE
IN
IN
≤ 36V, 5V or 10V Gate Drive, 75kHZ to 500kHz,
≤ 36V, 0.8V ≤ V
™, Large 1Ω Gate Driver, Adjustable Off-Time,
®
Operation at Light Load. MSOP-10
MBOT2
MTOP1
MBOT1
MTOP2
1.25μH
3.3μH
L1
L2
OUT
≤ 30V, SSOP-24, 5mm × 5mm QFN-32
R
R
SENSE1
SENSE2
4mΩ
3mΩ
37881 TA02
© LINEAR TECHNOLOGY CORPORATION 2009
IN
C
22μF
C
22μF
C
22μF
≤ 36V,
OUTA1
INA
OUTA2
LT 0410 REV A • PRINTED IN USA
4
4
4
+
+
+
C
220μF
C
220μF
C
220μF
OUTB1
INB
OUTB2
V
24V, 5A
V
5V TO 24V
V
12V, 10A
OUT1
IN
OUT2
*
*
37881fa