MAX5051AUI+ Maxim Integrated Products, MAX5051AUI+ Datasheet - Page 20

• 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

Parallelable, Clamped Two-Switch
Power-Supply Controller IC
Figure 13. Output Voltage Ripple At Nominal Input Voltage and
Full Load Current (Scope Bandwidth = 20MHz)
20
EXPOSED PADDLE IS INTERNALLY CONNECTED TO GND.
TOP VIEW
______________________________________________________________________________________
SYNCOUT
RCOSC
LXVDD
COMP
RCFF
REG5
REG9
PVIN
CON
CSS
LXH
STT
LXL
FB
10
11
12
13
14
1
2
3
4
5
6
7
8
9
TSSOP
MAX5051
2µs/div
Pin Configuration
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SYNCIN
FLTINT
STARTUP
UVLO
GND
AVIN
BST
DRVH
XFRMRH
DRVB
DRVDD
PGND
DRVL
CS
V
50mV/div
OUT
Figure 14. Load Current (10A/div) as a Function of Time When
the Converter Attempts to Turn On into a 50mΩ Short Circuit
TRANSISTOR COUNT: 2049
PROCESS: BiCMOS/DMOS
Exposed Paddle Connected to GND
A
B
A: 1ms/div
B: 20ms/div
Chip Information
I
10A/div
I
10A/div
OUT
OUT