MAX8662 Просмотр технического описания (PDF) - Maxim Integrated
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MAX8662 Datasheet PDF : 34 Pages
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Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
Typical Operating Characteristics
(Circuit of Figure 1, VDC = 5V, RPSET = 1.5kΩ, RISET = 3kΩ, VOUT1 = 3.3V, VOUT2 = 1.3V, SL1 = SL2 = open, VCEN = 0V, VPEN1 =
VPEN2 = 5V, COUT1 = 2 x 10µF, COUT2 = 2 x 10µF, COUT3 = 0.1µF, COUT4 = 4.7µF, COUT5 = 1µF, COUT6 = 2.2µF, COUT7 = 1µF, CT =
0.068µF, CREF = CVL = 0.1µF, RTHM = 10kΩ, L1 = 3.3µH, L2 = 4.7µH, L3 = 22µH, VGND = VPG1 = VPG2 = VPG3 = 0V, TA = +25°C,
unless otherwise noted.)
INPUT QUIESCENT CURRENT
vs. INPUT VOLTAGE (CHARGER ENABLED)
1.4
VBAT = 4.2V
1.2
ISYS = 0
CHARGER IN
DONE MODE
1.0
VBAT RISING
0.8
VBAT FALLING
0.6
INPUT QUIESCENT CURRENT
vs. INPUT VOLTAGE (CHARGER DISABLED)
1.4
VBAT = 3.6V
1.2
VBAT RISING
VBAT FALLING
1.0
0.8
0.6
INPUT QUIESCENT CURRENT
vs. INPUT VOLTAGE (SUSPEND)
0.20
VBAT = 4.2V
0.18 ISYS = 0mA
0.16 PEN1 = PEN2 = 0
CEN = 1
0.14
0.12
0.10
0.08
0.4
0.2
0
012345678
INPUT VOLTAGE (V)
0.4
0.2
0
012345678
INPUT VOLTAGE (V)
0.06
0.04
0.02
0
012345678
INPUT VOLTAGE (V)
BATTERY-LEAKAGE CURRENT
vs. BATTERY VOLTAGE
0.5
EN_ = 0, CEN = 1
VDC OPEN
0.4
VDC = 5V
BATTERY-LEAKAGE CURRENT
vs. TEMPERATURE (INPUT DISCONNECTED)
0.8
VBAT = 4.0V
EN_ = 0
0.7
BATTERY-REGULATION VOLTAGE
vs. TEMPERATURE
4.200
EN_ = 0
4.195
0.6
4.190
0.3
0.5
4.185
0.2
0.4
4.180
0.1
0.3
4.175
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
0.2
-40 -15
10
35
60
85
AMBIENT TEMPERATURE (°C)
4.170
-40 -15
10
35
60
85
AMBIENT TEMPERATURE (°C)
CHARGE CURRENT
vs. BATTERY VOLTAGE (100mA USB)
100
90
80
70
60
50
40
VBAT RISING
30
VBAT FALLING
20 VDC = 5V
10
RISET = 3kΩ
PEN1 = PEN2 = 0
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
CHARGE CURRENT
vs. BATTERY VOLTAGE (500mA USB)
550
500
VDC = 5V
RISET = 3kΩ
450 PEN1 = 0
400 PEN2 = 1
350
VBAT RISING
300
VBAT FALLING
250
200
150
100
50
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
BATTERY VOLTAGE (V)
CHARGE CURRENT
vs. BATTERY VOLTAGE (AC ADAPTER)
800
VDC = 5V
700 RISET = 3kΩ
PEN1 = PEN2 = 1
600
VBAT RISING
500
VBAT FALLING
400
300
200
100
0
0
1
2
3
4
5
BATTERY VOLTAGE (V)
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