MAX1980ETP+T Maxim Integrated Products, MAX1980ETP+T Datasheet - Page 8

• Manufacturer Part Number: MAX1980ETP+T
• Description: IC CNTRLR QUICK-PWM 20-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1980ETP+T

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 550kHz
• Duty Cycle: 50%
• Voltage - Supply: 4 V ~ 28 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 20-TQFN Exposed Pad
• Frequency-max: 550kHz
• Input Voltage: 4 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Quick-PWM Slave Controller with
Driver Disable for Multiphase DC-DC Converter
8
(Circuit of Figure 1, V+ = 12V, V
_______________________________________________________________________________________
1.282V
40A
20A
10V
5A
0
0
0
A. LOAD CURRENT, I
B. OUTPUT VOLTAGE, V
C. SLAVE INDUCTOR CURRENT
D. MASTER INDUCTOR CURRENT
V
A. OUTPUT VOLTAGE, V
B. MASTER/SLAVE INDUCTOR CURRENTS
C. MASTER/SLAVE LX WAVEFORMS,
V
IN
IN
= 12.0V, I
= 12.0V, POL = V
SWITCHING WAVEFORMS
OUT
LOAD TRANSIENT
(OUT-OF-PHASE)
(OUT-OF-PHASE)
= 40A, POL = V
20µs/div
OUT
CC
1µs/div
CC
OUT
OUT
= 5A TO 40A
= V
= 1.290V (NO LOAD)
= 1.290V (NO LOAD),
CC
DD
= 5V, V
MAX1980 toc19
MAX1980 toc21
Typical Operating Characteristics (continued)
OUT
A
20mV/div
B
5A/div
C
10V/div
A
40A/div
B
50mV/div
C
10A/div
D
10A/div
= 1.3V (ZMODE = GND) and 1V (ZMODE = V
1.282V
20A
10V
40A
5A
0
0
0
A. OUTPUT VOLTAGE, V
B. MASTER/SLAVE INDUCTOR CURRENTS
C. MASTER/SLAVE LX WAVEFORMS,
V
A. LOAD CURRENT, I
B. OUTPUT VOLTAGE, V
C. SLAVE INDUCTOR CURRENT
D. MASTER INDUCTOR CURRENT
V
IN
IN
= 12.0V, I
= 12.0V, POL = GND
SWITCHING WAVEFORMS
OUT
LOAD TRANSIENT
= 40A, POL = GND
(IN-PHASE)
(IN-PHASE)
20µs/div
OUT
1µs/div
OUT
OUT
= 5A TO 40A
= 1.290V (NO LOAD),
CC
= 1.290V (NO LOAD)
), DD = V
MAX1980 toc20
MAX1980 toc22
CC
.)
A
20mV/div
B
5A/div
C
10V/div
A
40A/div
B
50mV/div
C
10A/div
D
10A/div