LTC3788IGN-1#PBF Linear Technology, LTC3788IGN-1#PBF Datasheet - Page 6

• Manufacturer Part Number: LTC3788IGN-1#PBF
• Description: IC CTLR BOOST 2PH DUAL 28SSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3788IGN-1#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: Adj to 60V
• Current - Output: 25A
• Frequency - Switching: 105kHz ~ 760kHz
• Voltage - Input: 4.5 ~ 38 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3788-1
TYPICAL PERFORMANCE CHARACTERISTICS
6
CONTINUOUS MODE
PULSE-SKIPPING
OPERATION
Burst Mode
FORCED
5A/DIV
MODE
1.212
1.209
1.206
1.203
1.200
1.197
1.194
1.191
1.188
11.0
10.5
10.0
7.5
9.5
9.0
8.5
8.0
7.0
6.5
6.0
5.5
5.0
–45
–45
V
V
I
FIGURE 9 CIRCUIT
Inductor Current at Light Load
Regulated Feedback Voltage
vs Temperature
Shutdown Current vs Temperature
LOAD
V
IN
OUT
IN
= 12V
–20
–20
= 12V
= 24V
= 200μA
5
5
TEMPERATURE (°C)
TEMPERATURE (°C)
30
30
5μs/DIV
55
55
80
80
105
105
37881 G07
37881 G11
37881 G09
130
130
5V/DIV
V
11.0
10.5
10.0
OUT
9.5
9.0
20
15
10
0V
5
0
–45
0
Soft Start-Up
V
V
FIGURE 9 CIRCUIT
Soft-Start Pull-Up Current
vs Temperature
Shutdown Current
vs Input Voltage
IN
OUT
= 12V
–20
= 24V
5
10
5
INPUT VOLTAGE (V)
TEMPERATURE (°C)
15
20ms/DIV
30
20
55
25
80
30
105
35
37881 G08
37881 G10
37881 G12
130
40
37881fa