MAX1620EEE+ Maxim Integrated Products, MAX1620EEE+ Datasheet - Page 2

• Manufacturer Part Number: MAX1620EEE+
• Description: IC LCD BIAS SUPP DGTL ADJ 16QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1620EEE+

• Applications: LCD Display
• Current - Supply: 150µA
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Output Current: 0.07 A
• Input Voltage: 1.8 V to 20 V
• Switching Frequency: 300 KHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
V
PGND to AGND ..................................................................±0.3V
BATT, LX,
DHI, DLO to PGND.....................................-0.3V to (V
DOUT, FB, POL, POK, REF to AGND.........-0.3V to (V
UP, DN, SHDN to AGND.............................................-0.3V to 6V
SCL, SDA, SUS to AGND............................................-0.3V to 6V
I
ELECTRICAL CHARACTERISTICS
(V
Digitally Adjustable LCD Bias Supplies
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
DHI
DD
SWITCHING REGULATOR
REFERENCE AND DAC OUTPUT
V
V
Positive Output Voltage
Negative Output Voltage
Undervoltage Lockout Threshold (Note 1)
BATT Input Current
LX Input Current
BATT Operating Range (Note 2)
Microsecond-Volt Time Constant (k-factor)
On-Resistance (DLO, DHI)
DHI Output Current (Note 3)
DLO Output Current (Note 3)
FB Regulation Voltage
FB Input Current (Note 3)
LCDON Low, Sinking Current
LCDON High, Leakage Current
POK Threshold Voltage
POK Hysteresis
REF Voltage
REF Load Regulation
DD
DD
DD
......................................................................................60mA
_______________________________________________________________________________________
to AGND ..............................................................-0.3V to 6V
= 3.3V, V
Operating Range
Supply Current
LCDON to AGND ....................................-0.3V to 30V
BATT
PARAMETER
= 10V, T
A
= 0°C to +85°C, unless otherwise noted.)
Operating mode, output in regulation, V
Shutdown mode, V
BATT = 12V, operating mode
BATT = 12V, shutdown mode
LX = 12V, operating mode
LX = 12V, shutdown mode
1.8V ≤ BATT ≤ 20V, T
4V ≤ BATT ≤ 12V, T
V
V
V
V
POL = V
POL = AGND, 3.0V ≤ V
FB = REF + 100mV
FB = -50mV
V
V
Voltage on POK rising
No load
0µA ≤ I
DD
DD
DD
DD
LCDON
LCDON
= 4.5V
= 3.0V
= 5V
= 5V
DD
DD
REF
DD
+ 0.3V)
+ 0.3V)
= 0.4V, POK = 1.017V
= 28V, POK = 0.967V
, 3.0V ≤ V
≤ 25mA
CONDITIONS
SHDN
A
DD
A
= 0°C to +85°C
I
I
Continuous Power Dissipation (T
Operating Temperature Range
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
DLO
LCDON
DD
= +25°C
QSOP (derate 8.3mW/°C above +70°C) ......................667mW
MAX1620EEE/MAX1621EEE ............................-40°C to +85°C
≤ 5.5V
= V
≤ 5.5V
....................................................................................-30mA
DD
...............................................................................-10mA
, V
DD
DD
= 5.5V
= 5.5V
0.967
MIN
16.5
1.46
1.47
3.0
1.5
1.8
-20
-10
-8
-2
A
= +70°C)
0.992
TYP
150
-25
1.5
1.5
13
13
20
14
50
12
-6
9
7
0
3
1.017
MAX
23.5
1.53
1.53
250
5.5
-27
2.8
20
27
20
20
20
10
85
10
1
1
8
1
UNITS
µs-V
mA
mV
mV
nA
µA
mA
mA
mV
µA
µA
µA
Ω
V
V
V
V
V
V
V
V