MAX1779EUE+ Maxim Integrated Products, MAX1779EUE+ Datasheet - Page 4
![IC DC-DC CONV TRPL LCD 16-TSSOP](/photos/6/56/65666/175-16-tssop_sml.jpg)
MAX1779EUE+
Manufacturer Part Number
MAX1779EUE+
Description
IC DC-DC CONV TRPL LCD 16-TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1779EUE.pdf
(18 pages)
Specifications of MAX1779EUE+
Applications
Converter, 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-TSSOP
Mounting Style
SMD/SMT
Duty Cycle (max)
92 %
Efficiency
91 %
Input / Supply Voltage (max)
5.5 V
Input / Supply Voltage (min)
2.7 V
Load Regulation
0.1 %
Maximum Operating Temperature
+ 85 C
Maximum Power Dissipation
755 mW
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Output Voltage
13 V
Supply Current
0.5 mA
Switching Frequency
250 KHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS
(V
unless otherwise noted.) (Note 1)
Low-Power Triple-Output TFT LCD DC-DC
Converter
4
Input Supply Range
Input Undervoltage Threshold
IN Quiescent Supply Current
SUPP Quiescent Current
SUPN Quiescent Current
IN Shutdown Current
SUPP Shutdown Current
SUPN Shutdown Current
MAIN BOOST CONVERTER
Output Voltage Range
FB Regulation Voltage
FB Input Bias Current
Operating Frequency
Oscillator Maximum Duty Cycle
LX Switch On-Resistance
LX Leakage Current
LX Current Limit
FB Fault Trip Level
POSITIVE CHARGE PUMP
SUPP Input Supply Range
FBP Regulation Voltage
FBP Input Bias Current
DRVP PCH On-Resistance
DRVP NCH On-Resistance
FBP Power-Ready Trip Level
NEGATIVE CHARGE PUMP
SUPN Input Supply Range
FBN Regulation Voltage
FBN Input Bias Current
DRVN PCH On-Resistance
DRVN NCH On-Resistance
FBN Power-Ready Trip Level
REFERENCE
Reference Voltage
Reference Undervoltage
IN
_______________________________________________________________________________________
= +3.0V, SHDN = IN, V
PARAMETER
SUPP
= V
SYMBOL
R
V
V
V
V
SUPN
I
I
V
f
LX(ON)
V
V
SUPN
I
SUPP
I
UVLO
V
I
SUPN
V
MAIN
OSC
SUPP
I
FBN
I
FBP
I
LIM
FBN
FBP
REF
FB
LX
IN
FB
IN
= +10V, TGND = PGND = GND, C
V
V
V
V
V
V
V
V
I
V
Falling edge
V
V
V
Rising edge
V
V
V
Falling edge
-2µA < I
V
LX
IN
FB
FBP
FBN
FB
LX
FBP
FBP
FBP
FBN
FBN
FBN
REF
SHDN
SHDN
SHDN
= 100mA
rising, 40mV hysteresis (typ)
= +13V
= V
= +1.25V, INTG = GND
= +1.5V
= +1.5V
= +1.200V
= +1.300V
rising
= -0.1V
= -0.05V
= +0.050V
= -0.050V
= 0, V
= 0, V
= 0, V
FBP
REF
= +1.5V, V
< 50µA
IN
SUPP
SUPN
CONDITIONS
= +5V
= +13V
= +13V
FBN
= -0.2V
REF
= 0.22µF, C
INTG
1.225
1.223
1.07
1.20
1.09
MIN
195
350
V
2.7
2.2
-50
2.7
-50
2.7
-50
-50
0.9
79
20
20
80
IN
= 2200pF, T
A
= -40°C to +85°C,
1.271
1.269
MAX
0.55
0.55
1.14
1.30
1.16
305
700
165
5.5
2.6
2.0
1.2
10
10
10
13
50
92
20
13
50
10
13
50
50
10
1
5
5
UNITS
kHz
mA
mA
mA
mA
mV
mV
μA
μA
μA
kΩ
kΩ
nA
µA
nA
nA
%
Ω
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V