MAX1620EEE+ Maxim Integrated Products, MAX1620EEE+ Datasheet - Page 6

• Manufacturer Part Number: MAX1620EEE+
• Description: IC LCD BIAS SUPP DGTL ADJ 16QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1620EEE+

• Applications: LCD Display
• Current - Supply: 150µA
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Output Current: 0.07 A
• Input Voltage: 1.8 V to 20 V
• Switching Frequency: 300 KHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Digitally Adjustable LCD Bias Supplies
(V
6
_____________________________Typical Operating Characteristics (continued)
DD =
1.51
1.50
1.49
0.85
0.80
0.75
0.70
1.00
0.95
0.90
200
175
150
125
100
_______________________________________________________________________________________
5V, V
-40
-40
SUPPLY CURRENT vs. TEMPERATURE
-26
-20mA
EFFICIENCY vs. OUTPUT VOLTAGE
BATT
-20
-20
-24
REFERENCE VOLTAGE
-10mA
vs. TEMPERATURE
= 10V, L1 = 100µH, T
OUTPUT VOLTAGE (V)
-22
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
-20
20
20
-18
40
40
-16
60
60
-14
80
80
A
-12
= +25°C, unless otherwise noted.)
0.70
22.0
21.5
21.0
20.5
20.0
19.5
19.0
18.5
18.0
1.00
0.95
0.90
0.85
0.80
0.75
18
16
14
12
10
20
8
6
4
2
0
2.5
2
0
k-FACTOR vs. SUPPLY VOLTAGE
4
SHUTDOWN SUPPLY CURRENT
3.0
+20V, +10mA
1
6
EFFICIENCY vs. V
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
8
3.5
2
V
10
BATT
-20V, -10mA
4.0
12
(V)
3
14
BATT
4.5
4
16
18
5.0
5
20
22.0
21.5
21.0
20.5
20.0
19.5
19.0
18.5
18.0
180
160
140
120
100
200
80
60
40
20
20
18
16
14
12
10
0
8
6
-40
-60 -40 -20
0
SHUTDOWN SUPPLY CURRENT
k-FACTOR vs. TEMPERATURE
-20
1
vs. SUPPLY VOLTAGE
vs. TEMPERATURE
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
2
0
20
20
3
40
40
60
4
60
80
5
80
100