MAX1542ETP+ Maxim Integrated Products, MAX1542ETP+ Datasheet - Page 4

• Manufacturer Part Number: MAX1542ETP+
• Description: IC DC-DC CONV TFT-LCD 20-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1542ETP+

• 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
(V
TFT LCD DC-to-DC Converter with
Operational Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.)
4
DEL Turn-On Threshold
DEL Discharge Switch On-
Resistance
CTL Input Low Voltage
CTL Input High Voltage
CTL Input Leakage Current
CTL-to-SRC Propagation Delay
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 Supply Range
IN Undervoltage Lockout
Threshold
IN Quiescent Current
MAIN STEP-UP REGULATOR
Output Voltage Range
Operating Frequency
FB Regulation Voltage
FB Fault Trip Level
FB Line Regulation
FB Transconductance
LX On-Resistance
IN
IN
_______________________________________________________________________________________
= 3V, V
= 3V, V
PARAMETER
PARAMETER
SUP
SUP
= 8V, V
= 8V, V
SRC
SRC
= 28V, FREQ = IN (MAX1543), PGND = AGND = 0, T
= 28V, FREQ = IN (MAX1543), PGND = AGND = 0, T
R
R
SYMBOL
R
SYMBOL
V
R
COM(ON)
DRN(ON)
SRC(ON)
V
V
TH(DEL)
I
LX(ON)
I
f
UVLO
V
DRC
MAIN
OSC
SRC
V
I
IN
FB
IN
During UVLO, V
V
V
CTL = AGND or IN
V
V
V
V
MAX1543
V
CTL = IN
V
V
V
V
V
V
MAX1542
MAX1543
No load
V
V
∆I
IN
IN
D RN
D E L
DRN
DRN
DEL
DEL
DEL
IN
IN
FB
FB
FB
IN
COMP
= 2.6V to 5.5V
= 2.6V to 5.5V
rising
falling
= 2.6V to 5.5V
= 1.3V, LX not switching
= 1.1V, LX switching
falling
= 1.5V
= 1.5V,
= 1.5V, CTL = AGND
= 1.1V
= 8V , C TL = IN ,
= 8V, CTL = AGND, V
= 8V, CTL = AGND, V
= 5µA
CONDITIONS
CONDITIONS
IN
= 2.2V
FREQ = AGND
FREQ = IN
MAX1542
MAX1543
MAX1542
MAX1543
DEL
DEL
A
= 1.5V
= 1.5V,
= -40°C to +85°C, unless otherwise noted.)
A
= 0°C to +85°C, typical values at T
1.178
1.215
1000
1000
MIN
MIN
0.96
350
512
V
2.6
2.3
2.2
75
-1
2
IN
1.240
1000
TYP
TYP
100
100
20
70
15
90
15
30
5
1.302
1.260
MAX
1800
MAX
1400
1400
0.65
1.04
0.15
130
180
150
768
300
400
0.6
+1
5.5
2.7
2.5
6.5
28
30
10
30
60
13
A
= +25°C,
UNITS
UNITS
kHz
%/V
mΩ
mA
µA
µA
µA
ns
µS
V
Ω
V
V
V
Ω
Ω
Ω
V
V
V
V
V