LTC3736EGN-1#PBF Linear Technology, LTC3736EGN-1#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC3736EGN-1#PBF
• Description: IC CTRLR SW SYNC DUAL 2PH 24SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3736EGN-1#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 450kHz ~ 580kHz
• Voltage - Input: 2.75 ~ 9.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

ABSOLUTE AXI U RATI GS
ELECTRICAL CHARACTERISTICS
LTC3736-1
Input Supply Voltage (V
FREQ, RUN/SS, SSDIS,
TRACK, SENSE1
IPRG1, IPRG2 Voltages ................. – 0.3V to (V
V
SW1, SW2 Voltages ............ –2V to V
PGOOD ..................................................... – 0.3V to 10V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PARAMETER
Main Control Loops
Input DC Supply Current
Undervoltage Lockout Threshold
Shutdown Threshold at RUN/SS
Start-Up Current Source
Regulated Feedback Voltage
Output Voltage Line Regulation
PACKAGE/ORDER I FOR ATIO
range, otherwise specifications are at T
2
FB1
Normal Mode
Shutdown
UVLO
TRACK
IPRG2
SGND
FREQ
, V
I
TH1
V
IN
FB2
24-LEAD (4mm × 4mm) PLASTIC QFN
1
2
3
4
5
6
EXPOSED PAD (PIN 25) IS PGND
MUST BE SOLDERED TO PCB
T
, I
JMAX
TH1
24 23 22 21 20 19
7
= 125°C, θ
8
, I
UF PACKAGE
TOP VIEW
+
TH2
, SENSE2
9
W
25
10 11 12
JA
Voltages .................. – 0.3V to 2.4V
= 37°C/W
IN
) ........................ – 0.3V to 10V
+
W W
,
18
17
16
15
14
13
SSDIS
TG1
PGND
TG2
RUN/SS
BG2
U
A
= 25°C. V
IN
+ 1V or 10V Max
UF PART MARKING
W
CONDITIONS
(Note 4)
RUN/SS = 0V
V
V
V
RUN/SS = 0V
0°C to 85°C (Note 5)
–40°C to 85°C
2.75V < V
LTC3736EUF-1
IN
IN
IN
ORDER PART
U
IN
< UVLO Threshold
Falling
Rising
NUMBER
= 4.2V unless otherwise specified.
3736-1
IN
IN
+ 0.3V)
< 9.8V (Note 5)
The
U
(Note 1)
●
denotes specifications that apply over the full operating temperature
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-1) .................................................. 300°C
PGOOD
TRACK
IPRG1
IPRG2
SGND
FREQ
SW1
V
V
I
I
TH1
TH2
FB1
V
FB2
IN
T
JMAX
24-LEAD PLASTIC SSOP
10
11
12
1
2
3
4
5
6
7
8
9
= 125°C, θ
GN PACKAGE
TOP VIEW
JA
= 130°C/ W
24
23
22
21
20
19
18
17
16
15
14
13
●
●
●
SENSE1
PGND
BG1
SSDIS
TG1
PGND
TG2
RUN/SS
BG2
PGND
SENSE2
SW2
0.591
0.588
1.95
2.15
0.45
MIN
0.5
+
+
2.25
2.45
0.65
0.05
TYP
500
0.7
0.6
0.6
9
3
LTC3736EGN-1
ORDER PART
NUMBER
0.609
0.612
MAX
2.55
2.75
0.85
850
0.2
20
10
1
UNITS
mV/V
37361f
µA
µA
µA
µA
V
V
V
V
V