MAX5051AUI+ Maxim Integrated Products, MAX5051AUI+ Datasheet - Page 11

• Manufacturer Part Number: MAX5051AUI+
• Description: IC PWR SPLY CNTRLR 28-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5051AUI+

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Duty Cycle: 48%
• Voltage - Supply: 11 V ~ 76 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SYNCOUT
SYNCIN
RCOSC
COMP
UVLO
RCFF
PVIN
AVIN
CON
GND
CSS
STT
FB
SHDN
R
18R
REGULATOR
INTERNAL
1.125V
1.125V
OSC
1.25V
1.25V
______________________________________________________________________________________
E/A
LDO
9V
2.34V
REG9 OK
CPWM
REFERENCE
INTERNAL
SUPPLY
1.25V
Parallelable, Clamped Two-Switch
64µA
SSA
1.25V
1
Power-Supply Controller IC
D
SHDN
R
S
TEMP
OVER
Q
Q
SHUTDOWN
THERMAL
LDO
5V
RISING-
DELAY
RISING-
REG5 OK
EDGE
25µs
DELAY
200ns
EDGE
2.7V/1.8V
SHDN
300ns
SHOT
ONE
CILIM
RISING-
LEVEL
SHIFT
DELAY
EDGE
60ns
Functional Diagram
156mV
2.7V/1.8V
LEVEL
SHIFT
50µA
MAX5051
LEVEL
SHIFT
DRVDD
10MHz
80µA
STARTUP
DRVB
REG9
REG5
BST
DRVH
XFRMRH
DRVDD
DRVL
PGND
LXH
LXL
FLTINT
CS
LXVDD
11