LTC3736-2 Linear Technology, LTC3736-2 Datasheet - Page 5

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

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
FORCED CONTINUOUS
MODE
PULSE-SKIPPING
MODE
–20
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
37362 G09
37362 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
FIGURE 15 CIRCUIT
V
V
PULSE-SKIPPING
37362 G15
(SYNC/FCB = V
IN
OUT
–40
= 3.3V
100
= 2.5V
10
–20
LOAD CURRENT (mA)
MODE
TEMPERATURE (°C)
IN
0
)
FORCED
CONTINUOUS
(SYNC/FCB = 0V)
100
20
40
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
37362 G10
T
37362 G13
A
10000
–40
= 25°C unless otherwise noted.
100
–20
TEMPERATURE (°C)
0
V
0.606
0.605
0.604
0.603
0.602
0.601
0.600
0.599
0.598
0.597
0.596
0.595
0.594
V
IN
165
IN
180
175
170
155
150
160
FALLING
RISING
20
–60
–60
Regulated Feedback Voltage
vs Temperature
Maximum Current Sense Threshold
vs Temperature
I
PRG
40
–40
–40
= GND
60
–20
–20
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TEMPERATURE (°C)
TEMPERATURE (°C)
80
37362 G16
0
0
LTC3736-2
100
20
20
40
40
60
60
80
37362 G14
80
37362 G11
37362fa
5
100
100