MAX1543ETP+T Maxim Integrated Products, MAX1543ETP+T Datasheet - Page 3

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

Specifications of MAX1543ETP+T

• 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
unless otherwise noted.)
FB Input Bias Current
FB Transconductance
FB Voltage Gain
LX On-Resistance
LX Leakage Current
LX Current Limit
Current-Sense Transresistance
Soft-Start Period
Soft-Start Step Size
OPERATIONAL AMPLIFIERS
SUP Supply Range
SUP Supply Current
Input Offset Voltage
Input Bias Current
Input Common-Mode Voltage
Range
Common-Mode Rejection Ratio
Open-Loop Gain
Output Voltage Swing High
Output Voltage Swing Low
Short-Circuit Current
Output Source-and-Sink Current
Power-Supply Rejection Ratio
Slew Rate
-3dB Bandwidth
Gain-Bandwidth Product
POSITIVE GATE-DRIVER TIMING AND CONTROL SWITCHES
DEL Capacitor Charge Current
IN
= 3V, V
PARAMETER
SUP
= 8V, V
_______________________________________________________________________________________
SRC
= 28V, FREQ = IN (MAX1543), PGND = AGND = 0, T
SYMBOL
R
CMRR
TFT LCD DC-to-DC Converter with
PSRR
V
GBW
LX(ON)
I
I
V
V
V
I
V
BIAS
SUP
I
t
LIM
SUP
LX
SS
CM
OS
OH
OL
V
∆I
FB to COMP
V
V
MAX1542
MAX1543
Buffer configuration, V
V
NEG1, NEG2, POS1, POS2
0 ≤ V
I
I
I
I
To V
Buffer configuration, V
|∆V
DC, 6V ≤ V
V
R
Buffer configuration
During startup, V
OUT_
OUT_
OUT_
OUT_
FB
LX
FB
CM
SUP
L
COMP
OS|
= 10kΩ, C
= 13V
= 1.5V
= 1V, duty cycle = 65%
SUP
= V
NEG_
/2
= 100µA
= 5mA
= -100µA
= -5mA
< 10mV
/2
= 5µA
SUP
, V
SUP
/2, T
POS_
L
=10pF, buffer configuration
CONDITIONS
≤ 13V, V
A
DEL
≤ V
= +25°C
Operational Amplifiers
= 1V
SUP
POS_
POS_
Source
Sink
FREQ = AGND
FREQ = IN
NEG_
= 4V, no load
= 4V,
, V
POS_
A
= 0°C to +85°C, typical values at T
=
V
V
MIN
0.30
SUP
SUP
150
-40
1.2
4.5
75
50
15
50
50
40
60
0
4
-
-
I
V
V
LIM
TYP
0.01
0.50
160
700
210
125
SUP
SUP
150
140
100
1.5
1.3
7.5
+1
14
13
14
90
80
80
12
0
2
2
8
5
/ 8
-
-
V
MAX
0.65
13.0
+40
±50
280
400
150
1.8
1.9
20
12
SUP
15
6
A
= +25°C,
UNITS
MHz
MHz
V/µs
mΩ
V/V
mA
mV
mV
mV
mA
mA
ms
dB
dB
dB
nA
µS
µA
nA
µA
A
Ω
A
V
V
3