MAX8554EEE+ Maxim Integrated Products, MAX8554EEE+ Datasheet - Page 12

• Manufacturer Part Number: MAX8554EEE+
• Description: IC CNTRLR BUCK PWM 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8554EEE+

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 550kHz
• Duty Cycle: 95%
• Voltage - Supply: 4.5 V ~ 28 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: Yes
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-QSOP
• Frequency-max: 550kHz
• Output Voltage: 0.6 V to 3.5 V
• Output Current: 25000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 550 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Buck
• Dc: 0649
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.5V to 28V Input, Synchronous PWM Buck Controllers
for DDR Termination and Point-of-Load Applications
12
EN/HSD
REFIN
FSEL
POK
______________________________________________________________________________________
MAX8553
TRIG
ONE-SHOT
COMPUTE
ON-TIME
POK
TON
56%
44%
Q
VTTR
VTT
60%
50%
VTT
Q
R
LATCH
Q
OVP
ONE-SHOT
S
0.6V
S
R
TRIG
ERROR
COMP
Q
VTTR
REG
5V
5µA
REF
2V
Functional Diagrams
Σ
Σ
/10
ILIM
VL
BST
DH
LX
DL
PGND
VTT
V+
VL
REF
GND