AME5144 Datasheet, PDF (6/15 Pages) AMETHERM Circuit Protection Thermistors – High Efficiency, 37V Step-Up Converter for 2 to 10 White LEDs

AME
AME5144
High Efficiency, 37V Step-Up
Converter for 2 to 10 White LEDs
n Electrical Specifications
V_IN = 3V, L=22µH, C_IN=2.2µF, C_OUT=0.1µF, C_COMP=0.1µF, R_SENSE =13Ω, T_A = 25^oC, unless otherwise noted.
Parameter
Input voltage
Adjustable Output Range
Input Undervoltage Locked
Input Undervoltage Locked
Hysteresis
Quiescent Current
Shutdown Current
Over Voltage Protection
Over Voltage Protection
Hysteresis
OUT Input Bias Current
Symbol
V_IN
V_OUT
UVP
UVP
Hysteresis
I_Q
I_SHDN
OVP
OVP,_HYST
I_B,OUT
CTRL to CS Regulation
V_CS
CS Input Bias Current
CS Maximum Brightness Clamp
Voltage
CTRL Voltage for CS Maximum
Brightness Clamp
I_{C S}
V_CS(MAX)
V_CTRL(MAX)
CTRL Input Resistance
R_CTRL
CTRL Dual-Mode Threshold
CTRL Dual-Mode Hysteresis
CTRL Shutdown Enable Delay
V_DM
V_DM
Hysteresis
Test Condition
Note 1
Rising edge
No Switching, V_CS=0.5V
CTRL=GND,
V_OUT=V_IN
V_OUT Rising
V_OUT=32V, V_CTRL>0.24V
OUT=IN,
CTRL=GND
V_CTRL=1.5V,
V_IN=2.6V to 5.5V
V_{C S}= V _{C T R L}/ 5
V_CTRL=3V
V_CTRL<=1.5V
Note 2
Min Typ Max Units
2.6
5.5 V
V_IN-VD
37 V
2.10 2.38 2.55 V
30
mV
0.5 0.7 mA
0.3 2 µA
37 38.5 40 V
2
V
9
20 35
µA
0.01 1
0.290 0.300 0.310 V
0.01 1 µA
310 330 347 mV
1.65
V
250 500 780 KΩ
100 170 240 mV
5
mV
6.0 8.2 10.5 mS
6
Rev. D.01