MAX4840EXT+T Maxim Integrated Products, MAX4840EXT+T Datasheet - Page 4

• Manufacturer Part Number: MAX4840EXT+T
• Description: IC CTLR OVP 5.8V SC70-6
• Manufacturer: Maxim Integrated Products
• Type: Overvoltage Protection Controllerr

Specifications of MAX4840EXT+T

• Applications: Cell Phones, Digital Cameras, Media Players
• Mounting Type: Surface Mount
• Package / Case: SC-70-6, SC-88, SOT-363
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX4840EXT+T; MAX4840EXT+TTR

Overvoltage-Protection Controllers with
Status FLAG
(V
unless otherwise noted.)
4
40mA
IN
10V
10V
12
8V
0A
5V
0V
0V
0V
1A
0A
5V
0V
5V
0V
5V
_______________________________________________________________________________________
9
6
3
0
= +5V (MAX4838A/MAX4840A), V
0
GATE VOLTAGE vs. INPUT VOLTAGE
C
R
GATE
OUT
1
OVERVOLTAGE RESPONSE
= 5Ω
= 1500pF
MAX4838A/MAX4840A
POWER-UP RESPONSE
2
INPUT VOLTAGE (V)
MAX4842A
3
400ns/div
20ms/div
4
5
MAX4842A
6
MAX4838A toc10
MAX4838A toc07
7
IN
8
I
FLAG
IN
GATE
IN
GATE
I
FLAG
GATE
= +4V (MAX4842A); Si9936DY external MOSFET in back-to-back configuration; T
IN
50mA
Typical Operating Characteristics (continued)
11.0
10.5
10.0
9.5
9.0
4V
0V
8V
0V
4V
0V
4V
0V
0V
0A
5V
0V
8V
0V
5V
5.0
POWER-UP OVERVOLTAGE RESPONSE
GATE VOLTAGE vs. INPUT VOLTAGE
5.1
POWER-UP RESPONSE
INPUT VOLTAGE (V)
MAX4842A
5.2
20ms/div
1µs/div
5.3
GATE PULLED UP
TO IN WITH 100Ω
I
I
I
GATE
GATE
GATE
R
C
MAX4838A toc08
5.4
OUT
OUT
MAX4838A toc11
= 0
= 4µA
= 8µA
= ∞
= 0
5.5
OUT
IN
GATE
FLAG
IN
GATE
I
FLAG
GATE
800mA
10V
10V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
0V
5V
0V
4V
0V
8V
0V
0A
4V
0V
R
C
OUT
OUT
POWER-DOWN RESPONSE
= ∞
= 0
MAX4838A/MAX4840A
POWER-UP RESPONSE
POWER-UP RESPONSE
MAX4842A
20ms/div
10ms/div
20ms/div
R
R
LOAD
FLAG
= 100kΩ TO +5V
= 50Ω
A
= +25°C,
R
MAX4838A toc06
MAX4838A toc12
MAX4838A toc09
OUT
= 5Ω
IN
GATE
OUT
FLAG
IN
GATE
OUT
FLAG
IN
GATE
I
FLAG
IN