MAX4921BETD+T Maxim Integrated Products, MAX4921BETD+T Datasheet - Page 6

• Manufacturer Part Number: MAX4921BETD+T
• Description: IC CTLR OVP/OCP BATT PWR 14-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX4921BETD+T

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Battery Power-Up Logic with Overvoltage
and Overcurrent Protection
6
(V
BTI
_______________________________________________________________________________________
= 4V, T
A
= +25°C, unless otherwise noted.)
BATTERY-SWITCH TURN-OFF RESPONSE
UNDERVOLTAGE RESPONSE
SHORT-CIRCUIT RESPONSE
(PWR_ON FALLING)
1µs/div
1ms/div
2ms/div
C
BTI
= C
MAX4919/20/21B toc10
MAX4919/20/21B toc12
BTO
MAX4919/20/21B toc14
C
C
MAX4919B
BTI
BTO
= 0.1µF
= 47µF
= 0.1µF
Typical Operating Characteristics (continued)
5V
3V
5V
3V
V
(5V/div)
V
(5V/div)
V
(2V/div)
I
(500mA/div)
V
(2V/div)
V
(2V/div)
I
(10A/div)
BTO
BTO
PWR_ON
ONOK
BTO
BTI
BTO
V
(2V/div)
V
(2V/div)
V
(5V/div)
V
(5V/div)
ADAPTER
IN
GN1
ACOK
BATTERY-SWITCH TURN-ON RESPONSE
BATTERY SWITCH TURN-ON RESPONSE
BATTERY-SWITCH TURN-ON RESPONSE
(PWR_ON AND PWR_HOLD RISING)
(HP_PWR RISING)
(PWR_ON RISING)
200ms/div
400ms/div
1ms/div
C
C
BTI
BTI
= C
= C
MAX4919/20/21B toc13
MAX4919/20/21B toc15
MAX4919/20/21B toc11
BTO
BTO
= 0.1µF
= 0.1µF
V
(5V/div)
V
(2V/div)
V
(2V/div)
I
(500mA/div)
PWR_ON
(5V/div)
PWR_HOLD
(5V/div)
V
(2V/div)
I
(500mA/div)
V
(5V/div)
V
(5V/div)
V
(2V/div)
I
(500mA/div)
BTO
BTO
BTI
HP_PWR
BTI
BTO
BTO
PWR_ON
ONK
BTI