MAX8630WETD20+T Maxim Integrated Products, MAX8630WETD20+T Datasheet - Page 5

• 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

(V
125mA 1x/1.5x Charge Pumps for 5 White LEDs
IN
= 3.6V, ENM = ENS = IN, T
M A X8 6 3 0 X
1
2
3
4
V
V
ENM
ENM
V
V
AND
I
V
V
OUT
OUT
ENS
AND
I
OUT
OUT
PIN
I
ENS
IN
_______________________________________________________________________________________
M A X8 6 3 0 W
STARTUP AND SHUTDOWN
STARTUP AND DIMMING
1
2
3
4
A
= +25°C, unless otherwise noted.)
20ms/div
1ms/div
N A M E
G N D
C 1N
C 2N
MAX8630W/X toc11
MAX8630W/X toc13
IN
Typical Operating Characteristics (continued)
1V/div
5V/div
20mA/div
0
2V/div
0
100mA/div
0
100mA/div
0
5V/div
G r ound . C onnect G N D to system g r ound and the i np ut b yp ass cap aci tor as
cl ose to the IC as p ossi b l e. C onnect GN D to the exp osed p ad d i r ectl y und er
the IC .
Tr ansfer C ap aci tor 1 N eg ati ve C onnecti on. C onnect a 1µF cer am i c cap aci tor
fr om C 1P to C 1N .
S up p l y V ol tag e Inp ut. C onnect a 1µF cer am i c cap aci tor fr om IN to GN D . The
i np ut vol tag e r ang e i s 2.7V to 5.5V .
Tr ansfer C ap aci tor 2 N eg ati ve C onnecti on. C onnect a 1µF cer am i c cap aci tor
fr om C 2P to C 2N .
V
V
LINE-TRANSIENT RESPONSE WITH MODE CHANGE
V
I
ENM
I
OUT
OUT
OUT
OUT
I
V
IN
IN
in 3mm x 3mm TDFN
MAIN STARTUP AND SHUTDOWN
(V
IN
= 3.8V TO 3.2V TO 3.8V)
WITH SUB ENABLED
200μs/div
1ms/div
F U N C T IO N
MAX8630W/X toc12
MAX8630W/X toc14
Pin Description
1V/div
50mA/div
500mV/div
5V/div
0
2V/div
0
100mA/div
0
100mA/div
0
0
0
5