MAX8671XETL+ Maxim Integrated Products, MAX8671XETL+ Datasheet - Page 17

• Manufacturer Part Number: MAX8671XETL+
• Description: IC PMIC W/CHARGER 40-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8671XETL+

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.1 V ~ 6.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• Mounting Style: SMD/SMT
• Input Voltage: 2.6 V to 6.6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Output Current: 0.5 A
• Output Voltage: 0.6 V to 5 V
• Supply Current: 0.285 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V
V
OUT1
100
LX1
I
90
80
70
60
50
40
30
20
10
LI
0
1
REG1 EFFICIENCY vs. LOAD CURRENT
(Circuit of Figure 1, I
20mA LOAD
REG1 LIGHT-LOAD SWITCHING
WAVEFORMS (PWM = 0)
V
V
OUT1
LOAD CURRENT (mA)
SYS
10
Smart Power Selector for Handheld Devices
PWM = 1
V
OUT1
4μs/div
3.3V
= 2.8V
PWM = 0
V
OUT1
REG1 LINE TRANSIENT
100
VL
______________________________________________________________________________________
= 2.8V
= 0mA, T
V
MAX8671X toc26
BATT
100μs/div
5.3V
= 4V
1000
A
20mV/div
(AC-COUPLED)
2V/div
0
200mA/div
0
= +25°C, unless otherwise noted.)
25mA LOAD
3.3V
MAX8671X toc29
PMIC with Integrated Charger and
2.900
2.880
2.860
2.840
2.820
2.800
2.780
2.760
2.740
2.720
2.700
V
V
OUT1
LX1
I
LI
2V/div
20mV/div
0
Typical Operating Characteristics (continued)
20mA LOAD
REG1 LIGHT-LOAD SWITCHING
50
REG1 LOAD REGULATION
WAVEFORMS (PWM = 1)
OUTPUT CURRENT (mA)
100
200ns/div
150
R
R
FBH
FBL
V
I
OUT1
OUT1
200
= 100kΩ
= 182kΩ
MAX8671X toc27
250
25mA
10mV/div
2V/div
0
100mA/div
0
REG1 LOAD TRANSIENT
V
V
200
180
160
140
120
100
OUT1
250mA
80
60
40
20
LX1
I
20μs/div
0
LI
0
THE NOMINAL INDUCTOR DC RESISTANCE
IS 140mΩ. THE NOMINAL p-CHANNEL
RESISTANCE OF THE REGULATOR IS
200mΩ AT 2.8V AND 185mΩ AT 3.3V.
THE SLOPE OF THE LINE SHOWS
THAT THE TOTAL DROPOUT
RESISTANCE OF AN AVERAGE
PART, BOARD, INDUCTOR
COMBINATION IS
330mΩ AT 3.3V
AND 354mΩ
AT 2.8V.
20mA LOAD
REG1 HEAVY-LOAD SWITCHING
100
REG1 DROPOUT VOLTAGE
25mA
vs. LOAD CURRENT
OUTPUT CURRENT (mA)
MAX8671X toc30
WAVEFORMS
200
SYS IS 100mV BELOW THE
REG1 NOMINAL REGULATION
VOLTAGE.
400ns/div
V
OUT1
50mV/div
(AC-COUPLED)
100mA/div
300
= 2.8V
V
OUT1
400
MAX8671X toc28
= 3.3V
500
10mV/div
(AC-COUPLED)
100mA/div
2V/div
0
0
17