LTC3736EUF#TR Linear Technology, LTC3736EUF#TR Datasheet - Page 5

• Manufacturer Part Number: LTC3736EUF#TR
• Description: IC CTRLR SW SYNC DUAL 2PH 24QFN
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3736EUF#TR

• 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-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFOR A CE CHARACTERISTICS
100
–20
0.6
1.0
0.9
0.8
0.7
0.5
0.4
0.3
0.2
0.1
80
60
40
20
0
0
–60
0.5
Maximum Current Sense Voltage
vs I
Shutdown (RUN) Threshold
vs Temperature
–40
TH
Pin Voltage
Burst Mode OPERATION
(I
Burst Mode OPERATION
(I
FORCED CONTINUOUS
MODE
PULSE SKIPPING
MODE
–20
TH
TH
RISING)
FALLING)
TEMPERATURE (°C)
1
I
TH
0
VOLTAGE (V)
–10
10
–2
–4
–6
–8
2
8
6
4
0
20
–60
Oscillator Frequency
vs Temperature
40
–40
1.5
60
–20
W
TEMPERATURE (°C)
80
3736 G09
3736 G12
0
U
100
2
20
40
100
60
0.7
1.0
0.9
0.8
0.6
0.5
0.4
95
90
85
80
75
70
65
60
55
50
–60
1
Efficiency vs Load Current
RUN/SS Pull-Up Current
vs Temperature
80
(SYNC/FCB = V
3736 G15
–40
OPERATION
100
Burst Mode
10
–20
LOAD CURRENT (mA)
TEMPERATURE (°C)
IN
0
)
100
20
PULSE SKIPPING
MODE
(SYNC/FCB = 550kHz)
FIGURE 15 CIRCUIT
V
V
FORCED
CONTINUOUS
(SYNC/FCB = 0V)
IN
OUT
40
= 5V
= 2.5V
1000
60
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
–60
Undervoltage Lockout Threshold
vs Temperature
80
T
3736 G10
3736 G13
A
10000
–40
= 25°C unless otherwise noted.
100
–20
TEMPERATURE (°C)
0
V
0.605
0.603
0.599
0.591
V
0.609
0.607
0.601
0.597
0.595
0.593
IN
120
IN
135
130
125
115
FALLING
RISING
20
–60
–60
Regulated Feedback Voltage
vs Temperature
Maximum Current Sense Threshold
vs Temperature
I
PRG
40
–40 –20
–40
= FLOAT
60
–20
TEMPERATURE (°C)
TEMPERATURE (°C)
80
3736 G16
0
0
100
20
20
LTC3736
40
40
60
60
80
80
3736 G11
3736 G14
3736fa
5
100
100