| 1 |
3 |
IN |
Input Supply. Connect to external power supply to provide power to the device. Connect a minimum 0.1μF ceramic capacitor between IN and GND. |
| 2 |
4 |
VDD |
LDO Output. Nominal voltage is 1.8V. Connect a minimum 2.2μF ceramic capacitor between VDD and GND. |
| 3 |
5 |
GND |
Ground Connection
|
| 4 |
6 |
EN |
Pull EN pin low to turn all the switches off. EN pin is a bidirectional pin. EN is released internally only when charge pump voltage reaches regulation. EN going high activates sequence function. |
| 5 |
7 |
FLT |
Open-Drain Fault Indicator. Goes low when a fault condition is present. |
| 6 |
8 |
SYNC |
Open-Drain Synchronization I/O. Connect the SYNC I/O of each MAX25605 together to implement sequences of more than six LED segments. |
| 7 |
9 |
CLK |
Sequence Period Programming Input. Connect a resistor from CLK to GND to set the sequence period. |
| 8 |
10 |
A0 |
A0 Programming Input. Connect the appropriate resistor value from A0 to GND in accordance with Table 1. |
| 9 |
11 |
A1 |
A1 Programming Input. Connect the appropriate resistor value from A1 to GND in accordance with Table 1. |
| 10 |
12 |
A2 |
A2 Programming Input. Connect the appropriate resistor value from A2 to GND in accordance with Table 1. |
| 11 |
13 |
SRC1 |
Source of Internal Switch 1
|
| 12 |
14 |
DR1 |
Drain of Internal Switch 1
|
| 13 |
15 |
DR2 |
Drain of Internal Switch 2
|
| 14 |
16 |
DR3 |
Drain of Internal Switch 3
|
| 15 |
17 |
SRC4 |
Source of Internal Switch 4
|
| 16 |
18 |
DR4 |
Drain of Internal Switch 4
|
| 17 |
19 |
DR5 |
Drain of Internal Switch 5
|
| 18 |
20 |
DR6 |
Drain of Internal Switch 6
|
| 19 |
1 |
CPP |
Charge Pump Capacitor Positive Connection. Connect a 0.1µF ceramic capacitor from CPP to CPN. |
| 20 |
2 |
CPN |
Charge Pump Capacitor Negative Connection. Connect a 0.1µF ceramic capacitor from CPP to CPN. |
| - |
— |
EP |
Exposed Pad Connection. Connect this pad to a contiguous ground plane. |
