FAN3989MLP8X Fairchild Semiconductor, FAN3989MLP8X Datasheet - Page 2

• Manufacturer Part Number: FAN3989MLP8X
• Description: IC USB CONNECTION MONITOR 8MLP
• Manufacturer: Fairchild Semiconductor

Specifications of FAN3989MLP8X

• Function: Over/Under Voltage Protection
• Voltage - Supply: 2.7 V ~ 20 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN3989MLP8XTR

© 2007 Fairchild Semiconductor Corporation
FAN3989 • Rev. 1.0.8
Pin Configuration
Pin Definitions
Truth Table
STD USB Device
STD USB Device
Pin#
Connection
USB Charger
V
1
2
3
4
5
6
7
8
V
PC Charger
Figure 2.
BUS
BUS
State
LT 3.3V
GT 6V
LSCTRL
Name
Flag2
Flag1
GND
V
V
D+
D-
OUT
BUS
Pin Configuration (Top View)
LT 3.3V
GT 6V
V
0V
5V
5V
5V
Output
Output
Output
Output
BUS
Type
Input
Input
Input
Input
Short to D+
Short to D+
Short to D+
R to GND
R to GND
Description
USB Data Input
Device Ground
Over-/Under-Voltage Flag Output
PMOS Switch Control – Pull-Up Connection to V
Voltage Out – Connection also on Package DAP (see PCB Layout Guideline
section)
Power Input from Charger, USB Device, or Handheld Battery
Charger / Standard USB Device Detect Flag
USB Data Input
Open
D-
Short to D-
Short to D-
Short to D-
R to VDD
R to VDD
Open
D+
2
FLAG1
HIGH
HIGH
HIGH
LOW
LOW
LOW
Figure 3.
FLAG2
HIGH
HIGH
HIGH
LOW
LOW
LOW
Pin Configuration (Bottom View)
BUS
CTRL
HIGH
HIGH
HIGH
LOW
LOW
LOW
LS
Load switch open
Load switch closed
Normal state,
load switch closed
Load switch open
Load switch open
Load switch closed
Description
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