MAX4845ELT+T Maxim Integrated Products, MAX4845ELT+T Datasheet - Page 5

• Manufacturer Part Number: MAX4845ELT+T
• Description: IC CTLR OVP 5.8V 6-UDFN
• Manufacturer: Maxim Integrated Products
• Type: Overvoltage Protection Controllerr

Specifications of MAX4845ELT+T

• Applications: Cell Phones, Digital Cameras, Media Players
• Mounting Type: Surface Mount
• Package / Case: 6-µDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX4845ELT+T; MAX4845ELT+TTR

Figure 1. Startup Timing Diagram
Figure 3. Power-Up Overvoltage Timing Diagram
V
V
I
GATE
GATE
FLAG
0V
V
V
IN
IN
GND
V
IN
V
OVLO
UVLO
t
START
_______________________________________________________________________________________
t
OVP
Overvoltage Protection Controllers with
0.3V
t
GON
80%
REGULATOR
DETECTOR
UVLO AND
t
BLANK
5V
OVLO
8V
5.5V
0.3V
2x CHARGE
LOGIC AND
CONTROL
PUMP
TIMER
Figure 2. Shutdown Timing Diagram
V
V
GATE
FLAG
5V
V
IN
Low Standby Current
V
OVLO
t
GOFF
GATE DRIVER
MAX4843–
Functional Diagram
MAX4846
t
FLAG
0.3V
GATE
FLAG
2.4V
5