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MAX8819CETI+
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P29
MAX8819A/MAX8819B/MAX8819C
PMIC with Integrated Char
gers and Smar
t
Power Selector in a 4mm x 4mm TQFN
10
______________________________________________________________________________________
REG1 LOAD REGULA
TION
REG1 LOAD CURRENT (mA)
REG1 OUTPUT VOLTAGE (V)
MAX8819A toc15
0
50
100
150
200
250
300
350
400
2.99
3.00
3.01
3.02
3.03
3.04
3.05
3.06
3.07
3.08
3.09
REG1 DROPOUT VOL
T
AGE
vs. LOAD CURRENT
OUTPUT CURRENT (mA)
DROPOUT VOLTAGE (mV)
MAX8819A toc16
0
50
100
150
200
250
300
350
400
450
0
50
100
150
200
250
V
OUT1
= 3V
V
OUT1
= 3.3V
SYS IS 100mV BELOW THE
REG1 NOMINAL
REGULATION
VOLTAGE
T
ypical Operating Characteristics (continued)
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
REG1 LIGHT-LOAD SWITCHING
WAVEFORMS
MAX8819A toc17
2
μ
s/div
20mV/div
AC-COUPLED
0V
0mA
2V/div
100mA/div
I
LX1
V
LX1
V
OUT1
20mA LOAD
REG1 HEAVY-LOAD SWITCHING
WAVEFORMS
MAX8819A toc18
400ns/div
20mV/div
AC-COUPLED
0V
0mA
2V/div
200mA/div
I
LX1
V
LX1
V
OUT1
200mA LOAD
LINE TRANSIENT
MAX8819A toc19
100
μ
s/div
4V
4V
5V
2V/div
50mV/div
AC-COUPLED
V
OUT1
V
SYS
V
OUT1
= 3V
I
OUT1
= 30mA
REG1 LOAD TRANSIENT (V
OUT
= 3V)
MAX8819A toc20
200
μ
s/div
30mA
300mA
30mA
100mA/div
100mV/div
3V DC OFFSET
V
OUT1
I
OUT1
MAX8819A/MAX8819B/MAX8819C
PMIC with Integrated Char
gers and Smar
t
Power Selector in a 4mm x 4mm TQFN
______________________________________________________________________________________
11
T
ypical Operating Characteristics (continued)
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
REG2 EFFICIENCY
vs. LOAD CURRENT (V
REG2
= 1.82V)
LOAD CURRENT (mA)
REG2 EFFICIENCY (%)
MAX8819A toc21
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
REG2 LOAD REGULA
TION
REG2 LOAD CURRENT (mA)
REG2 OUTPUT VOLTAGE (V)
MAX8819A toc22
0
50
100
150
200
250
300
350
400
1.80
1.81
1.82
1.83
1.84
1.85
1.86
REG3 EFFICIENCY
vs. LOAD CURRENT (V
REG3
= 1.21V)
LOAD CURRENT (mA)
REG3 EFFICIENCY (%)
MAX8819A toc23
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
REG3 LOAD REGULA
TION
REG3 LOAD CURRENT (mA)
REG3 OUTPUT VOLTAGE (V)
MAX8819A toc24
0
50
100
150
200
250
300
350
400
1.185
1.190
1.195
1.200
1.205
1.210
1.215
1.220
1.225
REG3 HEAVY-LOAD SWITCHING
WAVEFORMS
MAX8819A toc26
400ns/div
20mV/div
AC-COUPLED
2V/div
0V
0mA
200mA/div
V
OUT3
V
LX3
I
LX3
200mA LOAD
REG3 LIGHT-LOAD SWITCHING
WAVEFORMS
MAX8819A toc25
2
μ
s/div
20mV/div
AC-COUPLED
2V/div
0V
0mA
100mA/div
V
OUT3
V
LX3
I
LX3
20mA LOAD
REG3 LOAD TRANSIENT
MAX8819A toc27
200
μ
s/div
100mA/div
100mV/div
1.2V DC OFFSET
30mA
30mA
320mA
I
OUT3
V
OUT3
MAX8819A/MAX8819B/MAX8819C
PMIC with Integrated Char
gers and Smar
t
Power Selector in a 4mm x 4mm TQFN
12
______________________________________________________________________________________
T
ypical Operating Characteristics (continued)
(Circuit of Figure 1, T
A
= +25°C, unless otherwise noted.)
LED EFFICIENCY vs. SYS VOL
T
AGE
SYS VOLTAGE (V)
LED EFFICIENCY (%)
MAX8819A toc28
2.5
3.0
3.5
4.0
4.5
5.0
5.5
50
55
60
65
70
75
80
85
90
95
100
6 LEDS
4 LEDS
I
LED
= 25mA
INDUCTOR: TOKO 1096AS-100M
DIODE: NXP PMEG3005EB
LED EFFICIENCY
vs. LED CURRENT (6 LEDS)
LED CURRENT (mA)
LED EFFICIENCY (%)
MAX8819A toc29
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80
90
100
V
SYS
= 3.6V
LED EFFICIENCY
vs. LED CURRENT (4 LEDS)
LED CURRENT (mA)
LED EFFICIENCY (%)
MAX8819A toc30
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80
90
100
V
SYS
= 3.6V
LED AND BOOST EFFICIENCY
vs. SYS VOL
T
AGE
SYS VOLTAGE (V)
EFFICIENCY (%)
MAX8819A toc31
2.5
3.0
3.5
4.0
4.5
5.0
5.5
50
55
60
65
70
75
80
85
90
95
100
I
LED
= 25mA
6 LEDS
INDUCTOR: TOKO 1096AS-100M
DIODE: NXP PMEG3005EB
BOOST
LED
REG4 INPUT CURRENT
vs. SYS VOL
T
AGE
SYS VOLTAGE (V)
REG4 INPUT CURRENT (mA)
MAX8819A toc32
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
50
100
150
200
250
300
6 LEDS, I
LED
= 25mA
REG4 STARTUP AND SHUTDOWN
RESPONSE
MAX8819A toc33
2ms/div
2V/div
10V/div
0V
0mA
10mA/div
V
EN4
V
OVP4
I
LED
FB4 VOL
T
AGE vs. LED CURRENT
LED CURRENT (mA)
FB4 VOLTAGE (mV)
MAX8819A toc34
0
5
10
15
20
25
0
50
100
150
200
250
300
350
400
450
500
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P29
MAX8819CETI+
Mfr. #:
Buy MAX8819CETI+
Manufacturer:
Maxim Integrated
Description:
Power Management Specialized - PMIC PMIC w/Charger & Smart Power Selector
Lifecycle:
New from this manufacturer.
Delivery:
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EMS
Payment:
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