MAX1543ETP+ Maxim Integrated Products, MAX1543ETP+ Datasheet - Page 5

• Manufacturer Part Number: MAX1543ETP+
• Description: IC DC-DC CONV TFT-LCD 20-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1543ETP+

• Applications: Controller, TFT, LCD
• Voltage - Input: 2.6 ~ 5.5 V
• Number Of Outputs: 2
• Voltage - Output: 2.6 ~ 13 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
LX Current Limit
Current-Sense Transresistance
OPERATIONAL AMPLIFIERS
SUP Supply Range
SUP Supply Current
Input Offset Voltage
Input Bias Current
Input Common-Mode Voltage
Range
Output Voltage Swing High
Output Voltage Swing Low
Short-Circuit Current
Output Source-and-Sink Current
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
DEL Capacitor Charge Current
DEL Turn-On Threshold
CTL Input Low Voltage
CTL Input High Voltage
SRC Input Voltage Range
SRC Input Current
DRN Input Current
SRC to COM Switch On-
Resistance
DRN to COM Switch On-
Resistance (MAX1543)
COM to PGND Switch On-
Resistance (MAX1543)
IN
= 3V, V
PARAMETER
SUP
= 8V, V
_______________________________________________________________________________________
SRC
= 28V, FREQ = IN (MAX1543), PGND = AGND = 0, T
R
SYMBOL
R
R
V
COM(ON)
DRN(ON)
TH (DEL)
SRC(ON)
TFT LCD DC-to-DC Converter with
V
I
I
I
V
V
V
I
I
V
BIAS
DRN
SUP
SRC
LIM
SUP
CM
OS
OH
OL
V
Buffer configuration, V
V
NEG1, NEG2, POS1, POS2
I
I
I
I
To V
Buffer configuration, V
| ∆V
During startup, V
V
V
V
V
V
V
MAX1543
V
V
V
OUT_
OUT_
OUT_
OUT_
FB
CM
IN
IN
DRN
DEL
DRN
DRN
DEL
DEL
DEL
OS
= 2.6V to 5.5V
= 2.6V to 5.5V
= 1V, duty cycle = 65%
SUP
= V
= 1.5V
= 1.5V, CTL = IN
= 1.5V, CTL = AGND
= 1.1V
= 8V, CTL = IN,
= 8V, CTL = AGND, V
= 8V, CTL = AGND, V
= 100µA
= 5mA
= -100µA
= -5mA
| < 10mV
/2
SUP
/2, T
CONDITIONS
A
DEL
= +25ºC
Operational Amplifiers
= 1.0V
POS_
POS_
Source
Sink
MAX1542
MAX1543
MAX1542
MAX1543
= 4V, no load
= 4V,
DEL
DEL
A
= 1.5V
= 1.5V,
= -40°C to +85°C, unless otherwise noted.)
V
V
1.178
0.30
MIN
SUP
SUP
150
350
1.2
4.5
15
50
50
40
0
4
2
-
-
TYP
1.302
V
MAX
1800
0.65
13.0
±50
150
130
180
150
1.8
2.1
0.6
12
SUP
15
28
30
10
30
60
6
UNITS
mA
mV
mV
mV
mA
mA
nA
µA
µA
µA
Ω
Ω
Ω
Ω
A
V
V
V
V
V
V
5