Datasheet

MAX8662/MAX8663
Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
20 ______________________________________________________________________________________
Pin Description (continued)
PIN
MAX8662 MAX8663
NAME
FUNCTION
40 — PG3
Power Ground for Boost Regulator 3. GND, PG1, PG2, and PG3 must be connected
together externally.
41 33 OUT6
Linear Regulator 6 Output. Delivers up to 300mA at an output voltage determined by SL1
and SL2. Connect a 2.2µF ceramic capacitor from OUT6 to GND. Increase the value to
4.7µF if V
OUT6
< 1.5V.
42 34 IN67
Input Supply for Linear Regulators 6 and 7. Connect IN67 to a supply voltage of 1.7V to
V
SYS
. Connect at least a 1µF ceramic capacitor from IN67 to GND.
43 35 OUT7
Linear Regulator 7 Output. Delivers up to 150mA at an output voltage determined by SL1
and SL2. Connect a 1µF ceramic capacitor from OUT7 to GND. Increase the value to 2.2µF
if V
OUT7
< 1.5V.
44 36 VL
Input Limiter and Charger Logic Supply. Provides 3.3V when a valid input voltage is
present at DC. Connect a 0.1µF capacitor from VL to GND. VL is capable of providing up to
10mA to an external load when DC is valid.
45 37 SL1
46 38 SL2
Output-Voltage Select Inputs 1 and 2 for Linear Regulators. Leave disconnected, or
connect to GND or SYS to set to one of three states. SL1 and SL2 set the output voltage of
OUT4, OUT5, OUT6, and OUT7 to one of nine combinations. See Table 3.
47 39 PSET
Input Current-Limit Set Input. Connect a resistor (R
PSET
) from PSET to ground to program
the DC input current limit from 500mA to 2A.
48 40 POK
Power-Ok Output. POK is an open-drain nMOS output that pulls low when a valid input is
detected at DC. This output is not affected by the states of PEN1, PEN2, or CEN.
——EP
Exposed Paddle. Connect the exposed paddle to ground. Connecting the exposed paddle
to ground does not remove the requirement for proper ground connections to GND, PG1,
PG2, and PG3. The exposed paddle is attached with epoxy to the substrate of the die,
making it an excellent path to remove heat from the IC.