MAX4273ESE+ Maxim Integrated Products, MAX4273ESE+ Datasheet - Page 12

• Manufacturer Part Number: MAX4273ESE+
• Description: IC CNTRLR HOT SWAP 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Hot-Swap Controllerr

Specifications of MAX4273ESE+

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 2.7 V ~ 13.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3V to 12V Current-Limiting Hot-Swap Controllers
with Autoretry, DualSpeed/BiLevel Fault Protection
Figure 2. MAX4273 Functional Diagram
12
______________________________________________________________________________________
CTON
CTIM
AUXVCC
CTON
OUTC
STAT
CTIM
REF
1.2V
REF
2.45V
V
V
V
IN
IN
IN
DELAY
150ms
ON
RISING
4μA
4μA
GND
INPUT
UVLO
DELAY ON INC RISING
SLOW COMPARATOR
MAX4273
FAST COMPARATOR
CONTROL
150ms
LOGIC
AUXVCC
DISCHARGE
C
ENABLE
SPD
6μA
6μA
V
IN
50mV TO 750mV
V
V
V
FC,TH
0.1V
0.1V
0.6V
0.6V
FC,TH
FC,TH
CHARGE PUMP
RESET COMPARATOR
GATE DRIVE
ON COMPARATOR
=
= 200mV
= 50mV
1MHz
OUTPUT
AUXVCC
GATE
OVLO
OVLO
10μA
SENSE
CEXT
INC
GATE
ON
LLMON
RTH
IN
RTH
CEXT
N
Q1
V
V
R
OUT
IN
SENSE