ltc3787gn Linear Technology Corporation, ltc3787gn Datasheet - Page 7

• Manufacturer Part Number: ltc3787gn
• Description: Ltc3787 - Polyphase Synchronous Boost Controller
• Manufacturer: Linear Technology Corporation

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
120
180
170
160
150
140
130
110
4.4
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
4.3
–45
–45
Quiescent Current vs Temperature
Undervoltage Lockout Threshold
vs Temperature
INTV
0
V
V
RUN = GND
V
IN
FB
IN
20
–20
–20
= 12V
= 12V
= 1.25V
CC
40
INTV
vs INTV
5
60
5
TEMPERATURE (°C)
CC
TEMPERATURE (°C)
INTV
EXTV
INTV
LOAD CURRENT (mA)
EXTV
80
30
30
CC
CC
CC
CC
100
CC
FALLING
RISING
= 6V
Load Current
55
= 0V
55
120
140
80
80
160
105
105
180
3787 G15
3787 G17
3787 G13
130
130
200
1.15
1.40
1.35
1.30
1.25
1.20
1.10
5.5
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
5.4
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
–45
–45
0
Shutdown (RUN) Threshold
vs Temperature
EXTV
Voltages vs Temperature
INTV
–20
5
–20
CC
CC
Line Regulation
10
Switchover and INTV
5
INPUT VOLTAGE (V)
5
TEMPERATURE (°C)
TEMPERATURE (°C)
EXTV
EXTV
15
RUN RISING
RUN FALLING
30
30
INTV
CC
CC
20
FALLING
RISING
CC
55
55
25
80
80
30
105
105
CC
35
3787 G16
3787 G14
3787 G18
130
130
40
LTC3787
3787fa
7