OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC4269CDKD-1#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P44
LTC4269-1
40
42691fc
TYPICAL APPLICATIONS
PoE-Based 12V, 2A Power Supply
100k
150
30.9
20
3.01k
29.4k
20k
BAS21
2.2k
38.3k
33pF
0.1µF
100V
22µF
V
PORTP
0.1µF
t
ON
12k
PGDLYV
NEG
S1BS1B
SYNC
R
CLASS
SHDN
V
CMP
R
CMP
ENDLYOSC
LTC4269-1
GND
UVLO
V
PORTP
V
CC
FB
C
CMP
10µH
BSS63LT1
36V
PDZ36B
SMAJ58A
+
V
PORTN
107k
24k
10k
10
54V FROM
SPARE PAIR
54V FROM
DATA PAIR
48V AUXILIARY
POWER
B1100 × 8 PLCS
383k
14.0k
10k
1nF
4.7nF
t
t
t
t
33m
FDS2582
10k
15
BAT54
B1100
100
2.2nF
MMBT3906 MMBT3904
FDS3572
1µF
42691 TA04a
SENSE
–
SENSE
+
SG
PG
0.33µH
2.2nF
2kV
t
10µF
12V
2A
+
+
–
1µF
47pF
470pF
10µF
+
2.2µF
15
T1: PCA ELECTRONICS, EPC3410G-LF
OR
PULSE, PA2467NL
T2: PULSE, PE-68386NL
C1: PSLDIC476MH
T2
T1
C1
47µF
PWRGD
LOAD CURRENT (A)
0.2
EFFICIENCY (%)
81
91
93
0.4 0.8 1.2
77
87
79
89
75
73
85
83
0.6 1.6 2.01.0 1.4 1.8
42691 TA04b
42V
IN
48V
IN
57V
IN
LOAD CURRENT (A)
0.2
11.9
12.4
12.5
0.38 0.74 1.1
11.7
12.2
11.8
12.3
11.6
11.5
12.1
12.0
0.56 1.5 20.92 1.3 1.6 1.8
42691 TA04c
42V
IN
57V
IN
50V
IN
V
OUT
(V)
Effi ciency Regulation
LTC4269-1
41
42691fc
TYPICAL APPLICATIONS
PoE-Based 3.3V, 7A Power Supply
100k
150
30.9
20
3.01k
29.4k
20k
BAS21
1k
38.3k
33pF
0.1µF
100V
22µF
V
PORTP
0.1µF
t
ON
12k
PGDLYV
NEG
S1BS1B
SYNC
R
CLASS
SHDN
V
CMP
R
CMP
ENDLYOSC
LTC4269-1
GND
UVLO
V
PORTP
V
CC
FB
C
CMP
10µH
BSS63LT1
36V
PDZ36B
SMAJ58A
+
V
PORTN
107k
24k
10k
10
54V FROM
SPARE PAIR
54V FROM
DATA PAIR
48V AUXILIARY
POWER
B1100 × 8 PLCS
383k
14.0k
5.1k
2.2nF
6.8nF
t
t
t
t
33m
FDS2582
10k
15
BAT54
100
2.2nF
MMBT3906 MMBT3904
FDS8670
1µF
1µF
16V
42691 TA05a
SENSE
–
SENSE
+
SG
PG
0.18µH
2.2nF
2kV
t
47µF
3.3V
7A
+
+
–
B1100
B0540W
1µF
22pF
2.2nF
10µF
+
2.2µF
5.1
47
T1: PCA ELECTRONICS, EPC3408G-LF
OR
PULSE, PA2466NL
T2: PULSE, PE-68386NL
C1: PSLB20J107M(25)
T2
T1
C1
100µF
PWRGD
Effi ciency Regulation
LOAD CURRENT (A)
0.7
EFFICIENCY (%)
85
90
91
1.4 2.8 4.2
83
88
84
89
82
81
87
86
2.1 5.6 7.03.5 4.9 6.3
42691 TA05b
37V
IN
48V
IN
57V
IN
LOAD CURRENT (A)
3.27
3.42
3.45
3.21
3.36
3.24
3.39
3.18
3.15
3.33
3.30
42691 TA05c
42V
IN
50V
IN
57V
IN
V
OUT
(V)
0.7 1.4 2.8 4.22.1 5.6 7.03.5 4.9 6.3
LTC4269-1
42
42691fc
PACKAGE DESCRIPTION
NOTE:
PIN 1
TOP MARK
(SEE NOTE 6)
BOTTOM VIEW—EXPOSED PAD
R = 0.115
TYP
0.20 ±0.05
116
17 32
6.00 REF
6.43 ±0.10
2.65 ±0.10
4.00 ±0.10
0.75 ±0.05
0.00 – 0.050.200 REF
7.00 ±0.10
(DKD32) QFN 0707 REV A
0.40 BSC
RECOMMENDED SOLDER PAD LAYOUT
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
PIN 1 NOTCH
R = 0.30 TYP OR
0.35 = 45° CHAMFER
6.43 ±0.05
2.65 ±0.05
0.70 ±0.05
0.40 BSC
6.00 REF
3.10 ±0.05
4.50 ±0.05
0.40 ±0.10
0.20 ±0.05
PACKAGE
OUTLINE
R = 0.05
TYP
DKD Package
32-Lead Plastic DFN (7mm × 4mm)
(Reference LTC DWG # 05-08-1734 Rev A)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P44

LTC4269CDKD-1#TRPBF

Mfr. #:
Buy LTC4269CDKD-1#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Power Switch ICs - POE / LAN IEEE 802.3at High Power PD Controller with Flyback Switcher
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet