LTC3736-2 Linear Technology, LTC3736-2 Datasheet - Page 2

• Manufacturer Part Number: LTC3736-2
• Description: Synchronous Controller
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
ELECTRICAL CHARACTERISTICS
LTC3736-2
(Note 1)
Input Supply Voltage (V
PLLLPF, RUN/SS, SYNC/FCB,
TRACK, SENSE1
IPRG1, IPRG2 Voltages ................. – 0.3V to (V
V
SW1, SW2 Voltages ............ –2V to V
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PARAMETER
Main Control Loops
Input DC Supply Current
Undervoltage Lockout Threshold
range, otherwise specifications are at T
2
Order Options
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
Normal Mode
Shutdown
UVLO
FB1
, V
FB2
, I
TH1
Tape and Reel: Add #TR
PLLLPF
PGOOD
TRACK
, I
IPRG1
IPRG2
SGND
+
SW1
ORDER PART NUMBER
V
V
I
I
TH2
TH1
TH2
, SENSE2
FB1
V
FB2
W
IN
T
http://www.linear.com/leadfree/
JMAX
24-LEAD PLASTIC SSOP
LTC3736EGN-2
Voltages .................. – 0.3V to 2.4V
10
11
12
1
2
3
4
5
6
7
8
9
= 125°C, θ
IN
GN PACKAGE
TOP VIEW
) ........................ – 0.3V to 10V
+
W W
,
JA
= 130°C/ W
U
24
23
22
21
20
19
18
17
16
15
14
13
A
= 25°C. V
SENSE1
PGND
BG1
SYNC/FCB
TG1
PGND
TG2
RUN/SS
BG2
PGND
SENSE2
SW2
IN
+ 1V or 10V Max
W
CONDITIONS
(Note 4)
RUN/SS = V
RUN/SS = 0V
V
V
V
+
+
IN
IN
IN
U
IN
= UVLO Threshold –200mV
Falling
Rising
= 4.2V unless otherwise specified.
IN
+ 0.3V)
IN
The
U
●
denotes specifications that apply over the full operating temperature
PGOOD ..................................................... – 0.3V to 10V
TG1, TG2, BG1, BG2 Peak Output Current (<10µs) ..... 1A
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
Junction Temperature (Note 3) ............................ 125°C
Lead Temperature (Soldering, 10 sec)
(LTC3736EGN-2) .................................................. 300°C
ORDER PART NUMBER
LTC3736EUF-2
PLLLPF
TRACK
IPRG2
SGND
I
TH1
V
IN
24-LEAD (4mm × 4mm) PLASTIC QFN
1
2
3
4
5
6
EXPOSED PAD (PIN 25) IS PGND
MUST BE SOLDERED TO PCB
T
24 23 22 21 20 19
JMAX
7
8
= 125°C, θ
UF PACKAGE
●
●
TOP VIEW
9
25
10 11 12
MIN
1.95
2.15
JA
= 37°C/W
UF PART MARKING
www.DataSheet4U.com
2.25
2.45
18
17
16
15
14
13
TYP
475
9
3
37362
SYNC/FCB
TG1
PGND
TG2
RUN/SS
BG2
MAX
2.55
2.75
750
20
10
UNITS
37362fa
µA
µA
µA
V
V