Datasheet

MAX8662/MAX8663
Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
______________________________________________________________________________________
17
OUT7 REGULATOR LOAD-
TRANSIENT RESPONSE
MAX8662/63 toc68
40µs/div
V
OUT7
AC-COUPLED
I
OUT7
100mA/div
50mV/div
V
BAT
= 4.0V
I
OUT7
= 10mA TO 150mA TO 10mA
OUT7 REGULATOR LINE-
TRANSIENT RESPONSE
MAX8662/63 toc69
100µs/div
V
OUT7
AC-COUPLED
V
IN67
2V/div
20mV/div
I
OUT7
= 10mA
3.6V
5V
OUT7 ENABLE AND DISABLE RESPONSE
MAX8662 toc70
200mA/div
2V/div
2V/div
400µs/div
V
EN7
I
DC
V
OUT7
V
CEN
= V
L
R
OUT7
= 33I
OUT7 REGULATOR DROPOUT VOLTAGE
vs. LOAD CURRENT
MAX8662/63 toc71
I
OUT
(mA)
DROPOUT VOLTAGE (V)
125100755025
10
30
20
40
50
60
70
0
0150
THE SLOPE OF THIS LINE SHOWS THAT
THE DROPOUT RESISTANCE OF AN
AVERAGE PART AND BOARD
COMBINATION IS 391m.
MAX8662/63 toc72
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
86429753
3.25
3.27
3.28
3.26
3.29
3.30
3.31
3.24
01 10
VL REGULATOR LOAD REGULATION
V
IN
= 5.5V
V
IN
= 4.35V
MAX8662/63 toc73
V
IN
(V)
OUTPUT VOLTAGE (V)
7654
3.10
3.05
3.20
3.30
3.15
3.25
3.35
3.40
3.45
3.50
3.00
38
VL REGULATOR LINE REGULATION
R
LOAD
= 3.3k
MAX8662/63 toc74
I
SINK
(mA)
OUTPUT LOW VOLTAGE (V)
3530252015105
0.1
0.2
0.3
0.4
0.5
0
040
V
IN
= 5.0V
V
BAT
= 4.0V
THE SLOPE OF THIS LINE SHOWS THAT
THE PULLDOWN RESISTANCE IS 11.
PULLDOWN DEVICE HAS A
20mA STEADY-STATE RATING
OPEN-DRAIN OUTPUT VOLTAGE LOW
vs. SINK CURRENT
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
DC
= 5V, R
PSET
= 1.5k, R
ISET
= 3k, 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
= 10k, L1 = 3.3µH, L2 = 4.7µH, L3 = 22µH, V
GND
= V
PG1
= V
PG2
= V
PG3
= 0V, T
A
= +25°C,
unless otherwise noted.)