LTC1436AIGN-PLL Linear Technology, LTC1436AIGN-PLL Datasheet - Page 2

• Manufacturer Part Number: LTC1436AIGN-PLL
• Description: IC SW REG SYNC STEP-DOWN 24-SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1436AIGN-PLL

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.19 ~ 9 V
• Current - Output: 50mA
• Frequency - Switching: 125kHz ~ 240kHz
• Voltage - Input: 3.5 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

ABSOLUTE
(Note 1)
temperature range, otherwise specifications are at T
LTC1436A
LTC1436-PLL-A/LTC1437A
PACKAGE/ORDER
ELECTRICAL CHARACTERISTICS
SYMBOL
Main Control Loop
I
V
Input Supply Voltage (V
Topside Driver Supply Voltage (Boost) ......42V to – 0.3V
Switch Voltage (SW) ....................................36V to – 5V
EXTV
POR, LBO Voltages ....................................12V to – 0.3V
AUXFB Voltage ..........................................20V to – 0.3V
AUXDR Voltage ..........................................28V to – 0.3V
SENSE
V
PLL LPF, I
Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
IN
OUT
PROG
V
V
OSENSE
OSENSE
CC
V
RUN/SS
SENSE
SENSE
AUXON
OSENSE
V
Voltage .................................... INTV
ORDER PART NUMBER
+
SGND
C
PROG
LBO
, SENSE
SFB
Voltage .........................................10V to – 0.3V
OSC
LBI
I
TH
T
–
+
JMAX
TH
Voltages ................. INTV
10
11
12
LTC1436ACGN
LTC1436AIGN
LTC1436AEGN
1
2
3
4
5
6
7
8
9
24-LEAD PLASTIC SSOP
PARAMETER
Feedback Current
Regulated Output Voltage
= 125°C, θ
Voltages ...............................2.7V to – 0.3V
1.19V (Adjustable) Selected
3.3V Selected
5V Selected
(150 MIL SSOP)
GN PACKAGE
TOP VIEW
–
,
W
MAXIMUM
JA
= 110°C/W
IN
24
23
22
21
20
19
18
17
16
15
14
13
).........................36V to – 0.3V
W W
POR
BOOST
TGL
SW
TGS
V
INTV
BG
PGND
EXTV
AUXDR
AUXFB
IN
CC
CC
INFORMATION
U
RATINGS
CC
+ 0.3V to – 0.3V
W
V
PLL LPF
RUN/SS
SENSE
SENSE
U
AUXON
CC
OSENSE
AUXFB
V
SGND
ORDER PART NUMBER
C
PROG
A
CONDITIONS
V
(Note 3)
SFB
OSC
I
TH
PROG
= 25°C. V
LTC1436ACGN-PLL
LTC1436AIGN-PLL
T
–
+
to – 0.3V
V
V
V
JMAX
PROG
PROG
PROG
10
11
12
1
2
3
4
5
6
7
8
9
24-LEAD PLASTIC SSOP
The
Pin Open (Note 3)
= 125°C, θ
(150 MIL SSOP)
U
GN PACKAGE
Pin Open
= 0V
= INTV
TOP VIEW
●
IN
denotes the specifications which apply over the full operating
= 15V, V
JA
CC
= 110°C/W
AUXON, PLLIN, SFB,
Peak Driver Output Current < 10µs (TGL, BG) .......... 2A
Peak Driver Output Current < 10µs (TGS) ......... 250mA
INTV
Operating Temperature Range
Junction Temperature (Note 2) ............................. 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
24
23
22
21
20
19
18
17
16
15
14
13
LTC143XAC ............................................. 0°C to 70°C
LTC143XAI/LTC143XAE (Note 8) ...... – 40°C to 85°C
RUN/SS, LBI Voltages ..........................10V to – 0.3V
RUN/SS
PLLIN
POR
BOOST
TGL
SW
TGS
V
INTV
BG
PGND
EXTV
AUXDR
CC
IN
CC
CC
Output Current ......................................... 50mA
= 5V unless otherwise noted.
V
●
●
●
PLL LPF
RUN/SS
SENSE
SENSE
AUXON
OSENSE
V
SGND
C
PROG
LBO
OSC
SFB
LBI
I
NC
TH
ORDER PART NUMBER
–
+
3.220
4.900
10
11
12
13
14
MIN
1.178
1
2
3
4
5
6
7
8
9
T
JMAX
LTC1437ACG
LTC1437AIG
28-LEAD PLASTIC SSOP
= 125°C, θ
G PACKAGE
TOP VIEW
1.19
3.30
5.00
TYP
10
JA
= 95°C/W
3.380
5.100
MAX
1.202
50
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PLLIN
POR
BOOST
TGL
SW
TGS
V
INTV
DRV
BG
PGND
EXTV
AUXDR
AUXFB
IN
CC
CC
CC
14367afb
UNITS
nA
V
V
V