LTC3788 Linear Technology, LTC3788 Datasheet - Page 7

• Manufacturer Part Number: LTC3788
• Description: Dual Output Synchronous Boost Controller
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
5.50
5.45
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
170
160
150
140
130
120
110
100
4.4
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
4.3
–45
–45
0
Quiescent Current vs Temperature
Undervoltage Lockout Threshold
vs Temperature
INTV
V
V
RUN2 = GND
V
IN
FB
IN
20
–20
–20
= 12V
= 12V
= 1.25V
CC
40
INTV
vs INTV
5
5
60
TEMPERATURE (°C)
TEMPERATURE (°C)
CC
EXTV
INTV
INTV
LOAD CURRENT (mA)
EXTV
80
30
30
CC
CC
CC
CC
100
CC
= 6V
FALLING
RISING
Load Current
= 0V
55
55
120
140
80
80
160
105
105
180
3788 G17
3788 G13
3788 G15
130
130
200
1.40
1.35
1.30
1.25
1.20
1.15
1.10
5.5
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
5.4
–45
–45
0
Shutdown (RUN) Threshold
vs Temperature
EXTV
Voltages vs Temperature
INTV
–20
–20
5
CC
CC
Line Regulation
10
Switchover and INTV
5
5
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
EXTV
EXTV
RUN RISING
RUN FALLING
15
30
30
INTV
CC
CC
20
FALLING
RISING
CC
55
55
25
80
80
30
105
105
CC
35
3788 G14
3788 G16
3788 G18
130
130
40
LTC3788
7
3788f