MAX1880EUG Maxim Integrated Products, MAX1880EUG Datasheet - Page 12

• Manufacturer Part Number: MAX1880EUG
• Description: DC/DC Switching Converters
• Manufacturer: Maxim Integrated Products

Specifications of MAX1880EUG

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Quad-Output TFT LCD DC-DC
Converters with Buffer
(Circuit of Figure 1, V
BUF+ = FLTSET = TGND = PGND = GND, T
12
5.05
5.00
4.95
4.90
4.85
4.80
4.75
______________________________________________________________________________________
4
(INTERNAL LINEAR REGULATOR)
vs. LDO INPUT VOLTAGE
LDO OUTPUT VOLTAGE
6
200
160
120
80
40
0
0
V
V
SUPL
LDOOUT
(INTERNAL LINEAR REGULATOR)
8
(V)
IN
vs. LDO LOAD CURRENT
= 5V
10
DROPOUT VOLTAGE
I
LDOOUT
= +3.3V, SHDN = IN, V
I
LDOOUT
10
I
LDOOUT
= 40mA
= 0
20
(mA)
12
30
A
= +25°C.)
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
Typical Operating Characteristics (continued)
0.01
40
(INTERNAL LINEAR REGULATOR)
MAIN
vs. LDO OUTPUT CURRENT
LDO OUTPUT VOLTAGE
0.1
= V
I
LDOOUT
SUPP
1
(mA)
= V
10
SUPN
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
= V
100
0
V
LDOOUT
(INTERNAL LINEAR REGULATOR)
SUPB
vs. LDO OUTPUT CURRENT
LDO SUPPLY CURRENT
10
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
= 5V
= V
-40
LDO OUTPUT VOLTAGE vs. TEMPERATURE
I
LDOOUT
SUPL
20
(INTERNAL LINEAR REGULATOR)
(mA)
-15
= 8V, BUF- = BUFOUT,
TEMPERATURE (°C)
30
10
35
I
LDOOUT
40
I
LDOOUT
= 40mA
60
= 0
85