MAX1570 Maxim Integrated Products, MAX1570 Datasheet - Page 8

• Manufacturer Part Number: MAX1570
• Description: White LED Current Regulator
• Manufacturer: Maxim Integrated Products

White LED Current Regulator with 1x/1.5x
High-Efficiency Charge Pump
Table 1. Enable Input Modes
Table 2. Capacitor Selection
Table 3. Capacitor Manufacturers
8
COMPONENT NAME
OUTPUT
_______________________________________________________________________________________
(mA)
150
40
80
C1 and C2
EN_ INPUT LOGIC LEVELS
C
C
OUT
IN
EN1 = 0, EN2 = 0
EN1 = 0, EN2 = 1
EN1 = 1, EN2 = 0
EN1 = 1, EN2 = 1
(µF)
C
1
1
1
IN
VALUE
(µF)
0.47
0.22
4.7
1
1
(µF)
0.22
0.47
C1
1.0
MANUFACTURER
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
(µF)
0.22
0.47
1.0
C2
Shutdown mode
On, V
On, V
On, V
SET
SET
SET
C
= 200mV, LED1 threshold = 200mV
= 400mV, LED1 threshold = 300mV
= 600mV, LED1 threshold = 400mV
(µF)
4.7
4.7
4.7
OUT
JMK212BJ475MG
JMK107BJ105MA
JMK107BJ105MA
LMK107BJ474MA
LMK107BJ224KA
PART NO.
MODE
1µF ±20%, 6.3V X5R ceramic capacitor (0603)
4.7µF ±20%, 6.3V X5R ceramic capacitor (0805)
1µF ±20%, 6.3V X5R ceramic capacitor (0603)
0.47µF ±20%, 10V X5R ceramic capacitor (0603)
0.22µF ±10%, 10V X7R ceramic capacitor (0603)
DESCRIPTION
LED CURRENT
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