MAX8630WETD20+T Maxim Integrated Products, MAX8630WETD20+T Datasheet - Page 2

• Manufacturer Part Number: MAX8630WETD20+T
• Description: IC LED DRVR WHITE BCKLGT 14-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Backlight, White LEDr

Specifications of MAX8630WETD20+T

• Constant Current: Yes
• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 5
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 1MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 25mA
• Internal Switch(s): Yes
• Efficiency: 93%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
IN, OUT to GND.....................................................-0.3V to +6.0V
C1N, C2N, ENM, CPWM, ENS,
LED_ to GND ............................................-0.3V to (V
C1P, C2P to GND ...-0.3V to greater of (V
OUT Short Circuit to GND ..........................................Continuous
125mA 1x/1.5x Charge Pumps for 5 White LEDs
in 3mm x 3mm TDFN
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
IN Operating Voltage
Undervoltage-Lockout Threshold
Undervoltage-Lockout Hysteresis
Output Overvoltage Protection
Threshold
No-Load Supply Current
Shutdown Supply Current
Soft-Start Time (t
Full-Scale LED Current
Full-Scale LED Current Accuracy
Derating Function Start
Temperature
Derating Function Slope
LED_ Dropout Voltage
1x to 1.5x Mode Transition
Threshold
Input Voltage Mode Transition
Hysteresis
1.5x Mode Regulation Voltage
OUT Pulldown Resistance in
Shutdown
PWM to GND ............................................-0.3V to (V
IN
_______________________________________________________________________________________
= 3.6V, V
PARAMETER
GND
SOFT-START
= 0V, EN_ (PWM) = IN, T
)
V
V
1/32nd setting, 1.5x mode
1/32nd setting, 1x mode
ENM = ENS (PWM) = GND
MAX8630_ETD15
MAX8630_ETD18
MAX8630_ETD20
MAX8630_ETD25
T
T
T
100% LED setting (Note 2)
V
Minimum of V
ENM = ENS (PWM) = GND
IN
OUT
A
A
A
LED_
= +25°C
= -40°C to derating function start temperature
= +40°C to +85°C
OUT
rising or falling
rising, any LED_ = GND
falling
A
+ 1V) or (V
= -40°C to +85°C, unless otherwise noted. Typical values are at T
LED_
OUT
IN
IN
+ 0.3V)
+ 0.3V)
+ 1V)
CONDITIONS
Continuous Power Dissipation (T
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
14-Pin TDFN 3mm x 3mm
(derate 18.2mW/°C above +70°C) .............................1454mW
T
T
A
A
= +25°C
= +85°C
MIN
2.20
-3.5
2.7
-1
A
= +70°C)
-1.67
±0.3
±0.3
TYP
2.45
0.35
0.01
100
122
1.4
0.1
15
18
20
25
40
40
88
70
5
2
5
A
= +25°C.) (Note 1)
MAX
+3.5
2.65
5.5
+1
75
2
UNITS
%/°C
mV
mA
mA
mV
mV
mV
mV
ms
kΩ
µA
°C
%
V
V
V