Datasheet

MAX8662/MAX8663
Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
14 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
DC
= 5V, R
PSET
= 1.5kΩ, R
ISET
= 3kΩ, V
OUT1
= 3.3V, V
OUT2
= 1.3V, SL1 = SL2 = open, V
CEN
= 0V, V
PEN1
=
V
PEN2
= 5V, C
OUT1
= 2 x 10µF, C
OUT2
= 2 x 10µF, C
OUT3
= 0.1µF, C
OUT4
= 4.7µF, C
OUT5
= 1µF, C
OUT6
= 2.2µF, C
OUT7
= 1µF, CT =
0.068µF, C
REF
= C
VL
= 0.1µF, R
THM
= 10kΩ, L1 = 3.3µH, L2 = 4.7µH, L3 = 22µH, V
GND
= V
PG1
= V
PG2
= V
PG3
= 0V, T
A
= +25°C,
unless otherwise noted.)
OUT4 REGULATOR LOAD-
TRANSIENT RESPONSE
MAX8662/63 toc47
40µs/div
V
OUT4
AC-COUPLED
I
OUT4
500mA/div
50mV/div
V
BAT
= 4.0V
I
OUT4
= 10mA TO 500mA TO 10mA
OUT4 REGULATOR LINE-
TRANSIENT RESPONSE
MAX8662/63 toc48
100µs/div
V
OUT4
AC-COUPLED
V
IN45
2V/div
20mV/div
I
OUT4
= 10mA
3.6V
5V
OUT4 ENABLE AND DISABLE RESPONSE
MAX8662 toc49
200mA/div
2V/div
2V/div
400µs/div
V
EN4
I
DC
V
OUT4
V
CEN
= V
L
R
OUT4
= 33I
OUT4 REGULATOR DROPOUT VOLTAGE
vs. LOAD CURRENT
MAX8662/63 toc50
LOAD CURRENT (mA)
DROPOUT VOLTAGE (mV)
400300200100
10
40
50
30
20
60
70
90
80
100
0
0 500
THE SLOPE OF THIS LINE SHOWS THAT
THE DROPOUT RESISTANCE OF AN
AVERAGE PART AND BOARD
COMBINATION IS 181mΩ.
OUT5 REGULATOR LOAD REGULATION
MAX8662/63 toc51
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
120906030
3.302
3.304
3.308
3.306
3.310
3.300
0150
V
IN
= 3.6V
V
IN
= 5.5V
OUT5 REGULATOR LINE REGULATION
MAX8662/63 toc52
V
IN_OUT5
(V)
OUTPUT VOLTAGE (V)
5432
1.8
2.2
3.0
2.6
3.4
1.4
16
R
LOAD
= 330Ω
OUT5 VOLTAGE vs. TEMPERATURE
MAX8662/63 toc53
AMBIENT TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
603510-15
3.305
3.307
3.306
3.309
3.308
3.310
3.304
-40 85
V
BAT
= 4.0V
R
LOAD
= 330Ω