LTC3731HG#PBF Linear Technology, LTC3731HG#PBF Datasheet - Page 7

• Manufacturer Part Number: LTC3731HG#PBF
• Description: IC SW REG CTRLR SYNC BUCK 36SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3731HG#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 6 V
• Frequency - Switching: 225kHz ~ 680kHz
• Voltage - Input: 4 ~ 36 V
• Operating Temperature: -40°C ~ 140°C
• Mounting Type: Surface Mount
• Package / Case: 36-SSOP
• Primary Input Voltage: 7V
• No. Of Outputs: 1
• Output Voltage: 32V
• Output Current: 5A
• No. Of Pins: 36
• Operating Temperature Range: 0°C To +70°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -

Typical perForMance characTerisTics
AC, 20mV/DIV
AC, 20mV/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
10V/DIV
V
V
V
V
V
V
V
V
SW1
SW2
SW3
SW1
SW2
SW3
OUT
OUT
V
V
V
FREQUENCY = 225kHz
V
V
V
FREQUENCY = 225kHz
Shed Mode at 1 Amp, Light Load
Current (Circuit of Figure 14)
Continuous Mode at 1 Amp, Light
Load Current (Circuit of Figure 14)
IN
OUT
FCB
IN
OUT
FCB
= 12V
= 12V
= V
= 0V
= 1.5V
= 1.5V
CC
4µs/DIV
4µs/DIV
3731H G20
3731H G22
AC, 20mV/DIV
AC, 20mV/DIV
10V/DIV
10V/DIV
10V/DIV
20A/DIV
V
V
V
V
I
V
LOAD
SW1
SW2
SW3
OUT
OUT
Burst Mode at 1 Amp, Light Load
Current (Circuit of Figure 14)
Transient Load Current Response:
0 Amp to 50 Amp
(Circuit of Figure 14)
V
V
V
FREQUENCY = 225kHz
V
V
V
FREQUENCY = 225kHz
IN
OUT
FCB
IN
OUT
FCB
= 12V
= 12V
= V
= OPEN
= 1.5V
= 1.5V
CC
20µs/DIV
4µs/DIV
3731H G23
3731H G21
LTC3731H
3731Hfb