LTC3736EGN-2#PBF Linear Technology, LTC3736EGN-2#PBF Datasheet - Page 3

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

Specifications of LTC3736EGN-2#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 550kHz ~ 750kHz
• 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: -

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
PARAMETER
Main Control Loops
Undervoltage Lockout Threshold
Shutdown Threshold at RUN/SS
Start-Up Current Source
Regulated Feedback Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
V
TRACK Input Current
Overvoltage Protect Threshold
Overvoltage Protect Hysteresis
Auxiliary Feedback Threshold
Top Gate (TG) Drive 1, 2 Rise Time
Top Gate (TG) Drive 1, 2 Fall Time
Bottom Gate (BG) Drive 1, 2 Rise Time
Bottom Gate (BG) Drive 1, 2 Fall Time
Maximum Current Sense Voltage (ΔV
(SENSE
Soft-Start Time
Oscillator and Phase-Locked Loop
Oscillator Frequency
Phase-Locked Loop Lock Range
Phase Detector Output Current
PGOOD Output
PGOOD Voltage Low
PGOOD Trip Level
Input DC Supply Current
FB1,2
Sinking
Sourcing
Normal Mode
Shutdown
UVLO
Input Current
+
– SW)
SENSE(MAX)
)
CONDITIONS
(Note 4)
RUN/SS = V
RUN/SS = 0V
V
V
V
RUN/SS = 0V
0°C to 85°C (Note 5)
–40°C to 85°C
2.75V < V
I
I
(Note 5)
TRACK = 0.6V
Measured at V
SYNC/FCB Ramping Positive
C
C
C
C
IPRG = Floating
IPRG = 0V
IPRG = V
Time for V
Unsynchronized (SYNC/FCB Not Clocked)
SYNC/FCB Clocked
f
f
I
V
TH
TH
OSC
OSC
PGOOD
IN
IN
IN
L
L
L
L
FB
PLLLPF = Floating
PLLLPF = 0V
PLLLPF = V
Minimum Synchronizable Frequency
Maximum Synchronizable Frequency
V
V
V
V
= 3000pF
= 3000pF
= 3000pF
= 3000pF
= 0.9V (Note 5)
= 1.7V
= UVLO Threshold –200mV
Falling
Rising
with Respect to Set Output Voltage
FB
FB
FB
FB
> f
< f
A
< 0.6V, Ramping Positive
< 0.6V, Ramping Negative
< 0.6V, Ramping Negative
< 0.6V, Ramping Positive
= 25°C. V
SYNC/FCB
SYNC/FCB
Sinking 1mA
IN
IN
FB1
IN
< 9.8V (Note 5)
The
to Ramp from 0.05V to 0.55V
FB
IN
l
IN
denotes the specifi cations which apply over the full operating
= 4.2V unless otherwise specifi ed.
l
l
l
l
l
l
l
l
0.594
0.591
0.525
0.667
MIN
1.95
2.15
0.45
0.66
220
150
320
480
260
650
850
–13
–16
0.4
10
7
–0.12
0.833
–13.3
LTC3736-2
1150
4.75
2.25
2.45
0.65
0.05
0.12
0.68
13.3
TYP
240
167
345
550
300
750
200
125
–10
0.7
0.6
0.6
0.6
10
10
20
40
40
50
40
–4
10
9
3
4
0.606
0.609
0.675
MAX
2.55
2.75
0.85
–0.5
750
260
185
370
600
340
825
250
–10
0.2
0.5
0.7
20
10
50
50
–7
13
16
1
1
UNITS
37362fb
mV/ V
3
kHz
kHz
kHz
kHz
kHz
mV
mV
mV
mV
mV
ms
μA
μA
μA
μA
nA
nA
μA
μA
ns
ns
ns
ns
%
%
%
%
%
%
V
V
V
V
V
V
V