MAX8671XETL+ Maxim Integrated Products, MAX8671XETL+ Datasheet - Page 18

• 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
OUT1
V
LX1
I
L1
PMIC with Integrated Charger and
Smart Power Selector for Handheld Devices
18
(Circuit of Figure 1, I
10mA LOAD
______________________________________________________________________________________
OUT3 LIGHT-LOAD SWITCHING
WAVEFORMS (PWM = 0)
10μs/div
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
VL
1
1
REG2 EFFICIENCY vs. LOAD CURRENT
REG3 EFFICIENCY vs. LOAD CURRENT
= 0mA, T
PWM = 0
V
PWM = 0
V
OUT2
OUT2
MAX8671X toc35
= 1.5V
= 1.2V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
10
10
A
= +25°C, unless otherwise noted.)
20mV/div
200mA/div
2V/div
0
PWM = 1
V
100
100
PWM = 1
V
OUT2
V
OUT2
OUT1
V
LX1
V
I
V
L1
BATT
= 1.5V
BATT
= 1.2V
Typical Operating Characteristics (continued)
= 4.0V
= 4.0V
250mA LOAD
OUT3 HEAVY-LOAD SWITCHING
1000
1000
WAVEFORMS
400ns/div
MAX8671X toc36
1.60
1.55
1.50
1.45
1.40
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
0
0
10mV/div
2V/div
200mA/div
0
50
REG2 LOAD REGULATION
50
REG3 LOAD REGULATION
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
V
I
OUT1
OUT1
100
100
25mA
150
150
OUT3 LOAD TRANSIENT
R
R
FBH
FBL
200
200
250mA
= 100kΩ
= 20kΩ
40μs/div
250
250
25mA
MAX8671X toc37
PWM = 0
100mV/div
100mA/div