MAX1908ETI+ Maxim Integrated Products, MAX1908ETI+ Datasheet - Page 12

• Manufacturer Part Number: MAX1908ETI+
• Description: IC CHARGER BATTERY 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1908ETI+

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 8 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Product: Charge Management
• Operating Supply Voltage: 2.5 V to 3.6 V
• Supply Current: 400 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Uvlo Start Threshold: 7 V
• Uvlo Stop Threshold: 7.85 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Cost Multichemistry Battery Chargers
(Circuit of Figure 1, V
12
______________________________________________________________________________________
-10
-20
-30
-40
40
30
20
10
-1
5
4
3
2
1
0
0
0
IINP ERROR vs. SYSTEM LOAD CURRENT
0
DCIN
CURRENT-SETTING ERROR vs. ICTL
= 20V, T
0.5
SYSTEM LOAD CURRENT (A)
V
1
REFIN
I
BATT
= 3.3V
V
ICTL
= 0
A
1.0
2
= +25°C, unless otherwise noted.)
(V)
1.5
3
Typical Operating Characteristics (continued)
2.0
4
-20
-40
-60
-80
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
60
40
20
0
0
0
0
ICHG ERROR vs. CHARGE CURRENT
IINP ERROR vs. INPUT CURRENT
0.5
ERROR DUE TO SWITCHING NOISE
0.5
V
1.0
INPUT CURRENT (A)
V
V
BATT
V
BATT
BATT
REFIN
I
= 12V
BATT
SYSTEM LOAD = 0
= 16V
= 8V
1.5
= 3.3V
1.0
(A)
2.0
1.5
2.5
3.0
2.0