MAX1889ETE+T Maxim Integrated Products, MAX1889ETE+T Datasheet - Page 5

• Manufacturer Part Number: MAX1889ETE+T
• Description: IC PWR SUP TRPL LCD 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1889ETE+T

• Applications: Controller, TFT, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 3
• Voltage - Output: 2.7 ~ 13 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Quiescent current does not include switching losses.
Note 2: FB regulation voltage is tested with no slope compensation ramp. Slope compensation needs to be included when selecting
Note 3: Guaranteed by design. Not production tested.
Note 4: Specifications to -40°C are guaranteed by design, not production tested.
(Circuit of Figure 1, V
otherwise noted.)
LOGIC SIGNAL (FREQ)
Input Low Voltage
Input High Voltage
Input Current
OVERCURRENT COMPARATOR
Input Offset Voltage
Input Bias Current
OCN, OCP Input
Common-Mode Range
FAULT TIMER AND GATE DRIVER
GATE Output Sink Current
GATE Output
Pulldown Resistance
GATE Output Pullup Resistance
IN
100
80
90
70
60
50
= 3V, SHDN = IN, C
1
resisitors for setting the output voltage (see Main Step-Up Regulator and Output Voltage Selection sections).
STEP-UP REGULATOR EFFICENCY
PARAMETER
vs. LOAD CURRENT (V
LOAD CURRENT (mA)
10
_______________________________________________________________________________________
IN
REF
= +3.3V, V
A
B
100
= 0.22µF, PGND = GND, T
MAIN
C
A: V
B: V
C: V
Triple-Output TFT LCD Power Supply
= 9V)
IN
IN
IN
= 2.7V
= 3.3V
= 5.5V
MAIN
SYMBOL
I
I
I
1000
I
FREQ
OCN
GATE
OCP
= +9V, V
,
9.1
9.0
8.9
8.8
8.7
8.6
8.5
0.15 x V
V
V
V
OCN
GATE
GATE
PL
STEP-UP REGULATOR OUTPUT VOLTAGE
1
= +20V, V
vs. LOAD CURRENT (V
= V
A
= 1.5V, during turn-on transition
< 0.5V
IN
= -40°C to +85°C.) (Note 4)
OCP
typical hysteresis
LOAD CURRENT (mA)
10
= V
CONDITIONS
NL
V
IN
IN
= 2.7V
= -7V, SHDN = FREQ = IN, PGND = GND, T
V
IN
= 3.3V
V
Typical Operating Characteristics
IN
100
= 5.5V
MAIN
with Fault Protection
= 9V)
1000
100
90
80
70
60
50
0.7 x V
1
MIN
-50
-5
6
1.5
STEP-UP REGULATOR EFFICIENCY
vs. LOAD CURRENT (V
IN
TYP
LOAD CURRENT (mA)
10
A
0.3 x V
A
MAX
= +25°C, unless
0.8 x
+50
200
200
V
+5
18
1
B
IN
MAIN
100
C
IN
A: V
B: V
C: V
= 13V)
IN
IN
IN
UNITS
= 2.7V
= 3.3V
= 5.5V
mV
µA
µA
nA
Ω
Ω
V
V
V
1000
5