MAX8723ETE+T Maxim Integrated Products, MAX8723ETE+T Datasheet - Page 4

• Manufacturer Part Number: MAX8723ETE+T
• Description: IC REG FOR LCD DISPLAY 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8723ETE+T

• Applications: Converter, LCD
• Voltage - Input: 6 ~ 13.2 V
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 2 ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1 with 1.5MHz components of Table 1, unless otherwise specified. V
PGND = GND = 0, T
Low-Cost, Internal-Switch, Step-Down
Regulator for LCD Displays
4
Note 1: When the inductor is in continuous conduction, the output voltage has a DC regulation level lower than the error comparator
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
V L U nd er vol tag e Lockout Thr eshol d
GENERAL
IN, INL Input Voltage Range
INL Quiescent Current
INL Standby Supply Current
Operating Frequency
VL REGULATOR
VL Output Voltage
REFERENCE
REF Output Voltage
REF Load Regulation
STEP-DOWN REGULATOR
OUT Voltage in Fixed Mode
FB Voltage in Adjustable Mode
Output Voltage Adjust Range
Step-Down Regulator Fault Trip
Level
LX-to-IN Switch On-Resistance
LX-to-GND Switch On-Resistance
Positive Current Limit
Maximum Duty Cycle
EXTERNAL FET DRIVER
EXT On-Resistance
EXT Output Driver Current
LOGIC AND I/O CONTROL
SHDN, Input Voltage Low
SHDN, Input Voltage High
SWITCH FREQUENCY SELECTION
FSEL Input Levels
_______________________________________________________________________________________
threshold by 50% of the output voltage ripple.
PARAMETER
A
= -40°C to +85°C. Typical values are at T
FB = 1.8V, EXT unconnected
V
FSEL = GND
FSEL = VCC
FSEL = REF
6V < V
I
VL rising, hysteresis = 2.5%
No external load
0 < I
V
Duty cycle = 20% to 35%, I
Falling edge
FSEL = VCC (1MHz)
FSEL = REF (0.5MHz)
FSEL = GND (1.5MHz)
VL
Sourcing or sinking
Sourcing or sinking, EXT = VCC/2
INL
IN
= 25mA
= 6.0V to 13.2V, I
LOAD
= 6V to 13.2V, SHDN = GND
INL
< 13.2V, V
< 50µA
FB
OUT
CONDITIONS
= 1.8V, EXT unconnected,
= 0.5A (Note 1)
A
OUT
= +25°C, unless otherwise noted.) (Note 2)
= 0.5A (Note 1)
VCC - 0.4
1.536
IN
1275
MIN
1.98
3.24
1.97
2.30
850
425
6.0
4.9
3.6
2.0
0.5
1.6
65
9
2
= V
INL
TYP
= 12V, V
1.664
MAX
1725
1150
13.2
2.02
3.35
2.03
3.10
590
300
0.5
5.1
4.4
3.6
0.4
2.4
0.5
12
10
30
80
5
OUT
= +3.3V,
UNITS
kHz
mΩ
mA
mA
mV
%
Ω
Ω
V
V
V
V
V
V
V
V
A
A
V
V
V
V
V