25
LTC1436A
LTC1436A-PLL/LTC1437A
14367afb
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
+
+
+
+
+
C
OSC
RUN/SS
LBO
LBI
I
TH
SFB
SGND
V
PROG
V
OSENSE
SENSE
SENSE
+
AUXON
POR
BOOST
TGL
SW
TGS
V
IN
INTV
CC
BG
PGND
EXTV
CC
AUXDR
AUXFB
C
OSC
68pF
C
IN
22µF
35V
× 2
C
SEC
3.3µF
35V
C
OUT
100µF
10V
× 2
C
C
510pF
M1
S4412DY
M2
Si4412DY
MBRS140T3
SGND
(PIN 7)
1436 TA02
T1
10µH
1:1
47k
R
SENSE
0.025
MBRS1100T3
V
IN
4.5V TO 28V
2N2905A
V
OUT2
5V
100mA
V
OUT
3.3V
4A
M3
IRLML2803
4.7µF
3.3µF
R8
180k
R7
56k
R6
430k
R5
100k
51pF
0.1µF
CMDSH-3
LTC1436A
1000pF
AUX
ON/OFF
R
C
10k
C
C2
51pF
C
SS
0.1µF
24V
LTC1436A 3.3V/4A Fixed Output with 5V Auxiliary Output
TYPICAL APPLICATIO S
U
LTC1436A-PLL 2.5V/5V Adjustable Output with
Foldback Current limiting and 5V Auxiliary Output
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
+
+
+
+
+
PLL LPF
C
OSC
RUN/SS
I
TH
SFB
SGND
V
PROG
V
OSENSE
SENSE
SENSE
+
AUXON
AUXFB
PLLIN
POR
BOOST
TGL
SW
TGS
V
IN
INTV
CC
BG
PGND
EXTV
CC
AUXDR
C
LP
0.01µF
C
IN
22µF
35V
× 2
EXT
CLOCK
C
SEC
3.3µF
35V
C
OUT
100µF
10V
× 2
R1
100k
1%
R2
90.9k
1%
C
C
510pF
OPEN
M1
Si4410DY
M2
Si4410DY
MBRS140T3
SGND
(PIN 6)
1436 TA03
T1
10µH
1:1.6
47k
R
SENSE
0.02
MBRS1100T3
V
IN
4.5V TO 24V
ZETEX
FZT749
V
OUT2
5V
0.2A
I
TH
(PIN 4)
1N4148
V
OUT
2.5V
5A
24V
M3
IRLML2803
4.7µF
3.3µF
R8
180k
R7
56k
R6
430k
R5
100k
51pF
0.1µF
CMDSH-3
LTC1436A-PLL
100
100
1000pF
AUX
ON/OFF
R
C,
10k
R
LP
10k
C
C2
51pF
C
SS
0.1µF
C
OSC
68pF
100pF
100pF
26
LTC1436A
LTC1436-PLL-A/LTC1437A
14367afb
TYPICAL APPLICATIONS
U
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
+
+
PLL LPF
C
OSC
RUN/SS
I
TH
SFB
SGND
V
PROG
V
OSENSE
SENSE
SENSE
+
AUXON
AUXFB
PLLIN
POR
BOOST
TGL
SW
TGS
V
IN
INTV
CC
BG
PGND
EXTV
CC
AUXDR
C
LP
0.01µF
C
IN
22µF/35V
× 2
EXT
CLOCK
+
C
OUT1
100µF
10V
× 2
C
C
510pF
M1
Si4412DY
M2
Si4412DY
MBRS140T3
SGND
(PIN 6)
1436 TA04
T1
10µH
1:2.7
47k
R
SENSE
0.025
V
IN
4.5V TO 28V
V
OUT2
12V
0.5A
V
OUT1
3.3V
4A
M3
IRLML2803
M4, IRLL014
4.7µF
0.01µF
11.3k
1%k
100k
1%k
0.1µF
CMDSH-3
CMDSH-3
LTC1436A-PLL
1000pF
COMP
ON/OFF
R
C,
10k
R
LP
10k
C
C2
51pF
C
SS
0.1µF
C
OSC
68pF
COMPARATOR
+
C
SEC
3.3µF
35V
LTC1436A-PLL Low Noise High Efficiency 5V/1A Regulator
LTC1436A-PLL 3.3V/4A Fixed Output with 12V/500mA Auxiliary Output
and Uncommitted Comparator
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
+
+
+
+
PLL LPF
C
OSC
RUN/SS
I
TH
SFB
SGND
V
PROG
V
OSENSE
SENSE
SENSE
+
AUXON
AUXFB
PLLIN
POR
BOOST
TGL
SW
TGS
V
IN
INV
CC
BG
PGND
EXTV
CC
AUXDR
C
LP
0.01µF
C
IN
22µF
35V
EXT CLOCK
250kHz
SFB = 0V: CONTINUOUS MODE
SFB = 5V: BURST ENABLED
C
OUT
100µF
10V
R1
240k
1%
R2
56k
1%
100pF
100pF
C
C
510pF
M1
IRF7201
M2
IRF7201
MBRS140T3
SGND
(PIN 6)
1436 TA07
L1
50µH
47k
R
SENSE
0.1
V
IN
5.5V TO 28V
ZETEX
FMMT549
HEAT SINK
V
OUT
5V
1A
V1
6.3V
M3
IRLML2803
4.7µF
22µF
R8
180k
1%
R7
56k
1%
51pF
0.1µF
CMDSH-3
LTC1436A-PLL
1000pF
V
OUT
ON/OFF
R
C,
10k
R
LP
10k
C
C2
51pF
C
SS
0.1µF
C
OSC
39pF
27
LTC1436A
LTC1436A-PLL/LTC1437A
14367afb
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.
PACKAGE DESCRIPTION
U
.337 – .344*
(8.560 – 8.738)
GN24 (SSOP) 0204
12
3
4
5
6
7
8 9 10 11 12
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
161718192021222324
15
14
13
.016 – .050
(0.406 – 1.270)
.015
± .004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
.0075 – .0098
(0.19 – 0.25)
.0532 – .0688
(1.35 – 1.75)
.008 – .012
(0.203 – 0.305)
TYP
.004 – .0098
(0.102 – 0.249)
.0250
(0.635)
BSC
.033
(0.838)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 BSC.0165 ± .0015
.045 ±.005
* DIMENSION DOES NOT INCLUDE MOLD
FLASH. MOLD FLASH SHALL NOT EXCEED
0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD
FLASH. INTERLEAD FLASH SHALL NOT
EXCEED 0.010" (0.254mm) PER SIDE
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
G28 SSOP 0204
0.09 – 0.25
(.0035 – .010)
0° – 8°
0.55 – 0.95
(.022 – .037)
5.00 – 5.60**
(.197 – .221)
7.40 – 8.20
(.291 – .323)
1234
5
6
7
8 9 10 11 12 1413
9.90 – 10.50*
(.390 – .413)
2526 22 21 20 19 18
17
16 1523242728
2.0
(.079)
MAX
0.05
(.002)
MIN
0.65
(.0256)
BSC
0.22 – 0.38
(.009 – .015)
TYP
MILLIMETERS
(INCHES)
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
*
**
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
0.42 ±0.03 0.65 BSC
5.3 – 5.7
7.8 – 8.2
RECOMMENDED SOLDER PAD LAYOUT
1.25 ±0.12
G Package
28-Lead Plastic SSOP (5.3mm)
(Reference LTC DWG # 05-08-1640)
GN Package
24-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)

LTC1436AIGN-PLL#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Hi Eff L N Sync Buck Sw Regs
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union