LTC3723EGN-2 Linear Technology, LTC3723EGN-2 Datasheet - Page 19

• Manufacturer Part Number: LTC3723EGN-2
• Description: IC CTRLR PWM SYNC PUSHPLL 16SSOP
• Manufacturer: Linear Technology

Specifications of LTC3723EGN-2

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 50%
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -

PACKAGE DESCRIPTIO
TYPICAL APPLICATIO S
(0.178 – 0.249)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
.007 – .0098
–V
V
V
IN
IN
IN
1µF, 100V TDK C3225X7R2A105M
4.7µF, 25V TDK C4532X7R1E475M
22µF, 25V TDK C4532X7R1E226M
D1: MMBZ5240B
D2: MMBZ5242B
L1: COILCRAFT DO1813P-561HC
L2: PULSE PA0513.441
L3: COILCRAFT DO1608C-105
T1: PULSE PA0901.004 (4:4:4:4CT)
T2: PULSE PA0785 (1:0.5T)
1/4W
464k
66.5k
30k
0.56µH
100pF
(0.38 ± 0.10)
1µF
100V
MMBT3904
.015 ± .004
L1
D2
12V
100Ω
(0.406 – 1.270)
1/4W
B
(MILLIMETERS)
.016 – .050
3
12V
1µF
100V
×3
INCHES
× 45°
INP
LTC4440ES6
15
GND
5
1µF
2
12V
V
V
UVLO
BOOST
CC
CC
FB
1
13
DRVA
TS
GND
TG
A
4
BAS21
6
7
3. DRAWING NOT TO SCALE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
0.1µF
6
5
C
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
T
0° – 8°
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
DRVB
8
4.7Ω
TYP
Si7370DP
B
270pF
V
A
4
10k
IN
(0.203 – 0.305)
SPRG
.008 – .012
LTC3723-1 300W 42V
LTC3723EGN-1
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
16
33k
TYP
RLEB
.0532 – .0688
(1.35 – 1.75)
Si7370DP
R1
0.015Ω
1.5W
12
U
A
SS
100Ω
14
1/4W
5.1Ω
DPRG
3
U
68nF
INP
LTC4440ES6
0.47µF
GND
9
150k
I
SDRB
SNS
2
12V
V
16-Lead Plastic SSOP (Narrow .150 Inch)
BOOST
CC
2
1
V
TS
4.7µF
25V
2x
REF
TG
4
0.1µF
1
BAS21
SDRA
68µF
(Reference LTC DWG # 05-08-1641)
COMP
20V
6
5
0.1µF
3
24.9k
CS
4.7Ω
Si7370DP
+
330pF
12V
IN
(0.635)
.0250
B
BSC
10
11
(0.102 – 0.249)
22Ω
.004 – .0098
to 56V
1mH
I
SNS
L3
GN Package
Si7370DP
29.46mm × 25.4mm × 10.2mm PLANAR
1
8
IN
T2
BAS21
(5.817 – 6.198)
97
96
95
94
93
92
91
to 12V/25A Isolated Bus Converter
BAS21
.229 – .244
4
5
5
53V
2
4
3
5
1
6
100Ω
IN
T1
220pF
10
4.53k
9
LOAD CURRENT (A)
16 15 14 13
1
2.2nF
48V
11
9
7
250V
SYNC
CSF
V
2 3
IN
F
11
+
(4.801 – 4.978)
2.67k
1.27k
15
.189 – .196*
V
GND
4
CSF
F
42V
LTC3723-1/LTC3723-2
8
12 11 10 9
12
5 6 7
–
IN
HAT2169
×2
MF MF2
20
14 15
PGND
LTC3901EGN
4.53k
4
V
8
E
CSE
V
25
(3.810 – 3.988)
E
GND2
.150 – .157**
6
+
2.67k
1.27k
(0.229)
.009
10
REF
CSE
13
12
11
10
5
9
8
7
PGND2
–
0.44µH
5
HAT2169
×2
ME ME2
L2
13
2
V
V
.254 MIN
.0165 ± .0015
F
E
RECOMMENDED SOLDER PAD LAYOUT
3
TIMER
PV
470pF
10
V
CC
7
CC
LOAD CURRENT (A)
10Ω
1W
16
1nF
100V
+V
–V
1
22µF
25V
×3
1µF
OUT
OUT
–V
33.2k
ES1B
ES1B
15
OUT
MMBT3904
+V
–V
42V
48V
53V
OUT
OUT
IN
IN
IN
0.5W
1.2k
+V
4.7µF
20
OUT
+V
–V
.150 – .165
.045 ±.005
OUT
OUT
19
372312 TA05
0.33µF
100V
GN16 (SSOP) 0204
.0250 BSC
1k
372312f
25
D1
10V