MAX1553ETA+T Maxim Integrated Products, MAX1553ETA+T Datasheet - Page 2

• Manufacturer Part Number: MAX1553ETA+T
• Description: IC LED DRIVR WHITE BCKLGT 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX1553ETA+T

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 40V
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 480mA
• Internal Switch(s): Yes
• Number Of Segments: 10
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Power Dissipation: 1951 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Efficiency: -
• Lead Free Status / Rohs Status: Details

ABSOLUTE MAXIMUM RATINGS
DC to GND......................................................................0 to +8V
DC to BAT .......................................................................0 to +7V
BAT, CHG, POK, USB to GND .................................-0.3V to +7V
Continuous Power Dissipation (T
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+
Battery Chargers
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.
ELECTRICAL CHARACTERISTICS
(V
2
DC
DC Voltage Range
DC to BAT Voltage Range
DC Undervoltage Lockout
Threshold
DC Supply Current
DC to BAT On-Resistance
DC to BAT Dropout Voltage
USB
USB Voltage Range
USB Undervoltage Threshold
USB Supply Current
USB to BAT On-Resistance
USB to BAT Dropout Voltage
BAT
BAT Regulation Voltage
DC Charging Current
USB Charging Current
BAT Prequal Threshold
Prequalification Charging Current
BAT Leakage Current
POK, CHG, AND THERMAL LIMIT
CHG Threshold
CHG, POK Logic-Low Output
CHG, POK Leakage Current
Thermal-Limit Temperature
DC
5-Pin Thin SOT23 (derate 9.1mW/°C above +70°C) ....727mW
_______________________________________________________________________________________
= 5V, V
PARAMETER
USB
= 0, I
BAT
= 0, C
A
BAT
= +70°C)
(Note 1)
Input rising, 430mV hysteresis, V
V
When charging stops, V
DC falling, 200mV hysteresis
(Note 1)
Input rising, 430mV hysteresis, V
V
V
V
When charging stops, V
USB falling, 200mV hysteresis, V
V
V
V
V
V
V
Charge current where CHG goes high,
I
I
V
Charge current reduced by 17mA/°C above this
temperature
= 1µF, T
BAT
CHG
DC
BAT
USB
USB
DC
BAT
BAT
BAT
BAT
DC
CHG
= 3.7V, V
or V
= V
falling, 50mA hysteresis
, I
= 3V (Note 1)
= 3.3V, V
= 3.3V, V
rising, 100mV hysteresis
= 2.8V
, V
= 5V, V
= 3.7V, V
POK
USB
POK
USB
A
= 0°C to +85°C, unless otherwise noted.)
= 10mA
= 0, V
= 6V, T
DC
= 5V
BAT
USB
DC
BAT
= 0
= 3.6V
= 0, V
BAT
= 3.6V, V
= 0, V
A
CONDITIONS
= +25°C
= 4.2V
BAT
BAT
USB
DC
= 4V,
= 4V,
DC
= 5V
= 5V
= 0
DC
BAT
DC
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
= 0
= 0,
= 3V (Note 1)
4.158
3.75
3.75
MIN
220
3.7
0.1
3.7
2.9
30
30
80
20
25
0.001
+110
TYP
3.95
1.75
3.95
1.65
280
150
4.2
60
60
90
40
50
1
2
3
4.242
MAX
4.15
4.15
340
100
100
300
7.0
6.0
6.0
3.1
90
90
80
3
2
3
4
5
1
UNITS
mA
mV
mA
mV
mA
mA
mA
mA
mV
µA
µA
°C
Ω
Ω
V
V
V
V
V
V
V