MAX1889ETE Maxim Integrated Products, MAX1889ETE Datasheet - Page 8

• Manufacturer Part Number: MAX1889ETE
• Description: DC/DC Switching Converters
• Manufacturer: Maxim Integrated Products

Specifications of MAX1889ETE

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

Triple-Output TFT LCD Power Supply
with Fault Protection
8
(Circuit of Figure 1, V
otherwise noted.)
100
-0.03
-0.06
-0.09
-0.12
-0.15
95
90
85
80
75
70
65
60
55
50
_______________________________________________________________________________________
0
0.1
0.1
POSITIVE CHARGE-PUMP INCREMENTAL
EFF = (V
(P
EFFICIENCY vs. LOAD CURRENT
IN(LOAD)
POSITIVE LINEAR-REGULATOR
OUT ✕
LOAD REGULATION
- P
LOAD CURRENT (mA)
LOAD CURRENT (mA)
IN(NOLOAD)
I
OUT
) /
IN
1
1
= +3.3V, V
)
MAIN
10
10
= +9V, V
-8.2
-8.3
-8.4
-8.5
-8.6
-8.7
Typical Operating Characteristics (continued)
A
B
0.1
PL
OUTPUT VOLTAGE vs. LOAD CURRENT
A: V
B: I
= +20V, V
PL
PL
POSITIVE LINEAR-REGULATOR
= 0 TO 10mA, 10mA/div
LOAD-TRANSIENT RESPONSE
= 20V, 50mV/div, AC-COUPLED
NEGATIVE CHARGE-PUMP
LOAD CURRENT (mA)
NL
2ms/div
1
= -7V, SHDN = FREQ = IN, PGND = GND, T
V
I
MAIN
IN
= 3.3V
= 200mA
MAX1889 toc20
10
20V
19.95V
10mA
0
-0.08
-0.16
-0.24
-0.32
-0.40
100
95
90
85
80
75
70
65
60
55
50
0
0.1
NEGATIVE CHARGE-PUMP INCREMENTAL
0.1
EFF = (V
(P
IN(LOAD)
EFFICIENCY vs. LOAD CURRENT
NEGATIVE LINEAR-REGULATOR
OUT ✕
- P
LOAD REGULATION
LOAD CURRENT (mA)
LOAD CURRENT (mA)
IN(NOLOAD)
I
OUT
A
) /
= +25°C, unless
1
1
)
10
10