MAX16818_15 Datasheet, PDF (4/25 Pages) Maxim Integrated Products – 1.5MHz, 30A High-Efficiency, LED Driver with Rapid LED Current Pulsing

MAX16818
1.5MHz, 30A High-Efficiency, LED Driver
with Rapid LED Current Pulsing
Electrical Characteristics (continued)
(V_CC = 5V, V_DD = V_CC, T_A = T_J = T_MIN to T_MAX, unless otherwise noted. Typical specifications are at T_A = +25°C.) (Note 1)
PARAMETER
Maximum Load Capacitance
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
50
pF
V_IOUT Output to I_OUT Transfer
Function
R_SENSE = 1mW, 100mV ≤ V_IOUT ≤ 5.5V
132.3 135 137.7 mV/A
Offset Voltage
VOLTAGE-ERROR AMPLIFIER (EAOUT)
Open-Loop Gain
Unity-Gain Bandwidth
EAN Input Bias Current
A_VOLEA
f_GBW
I_B(EA)
V_EAN = 2.0V
Error Amplifier Output Clamping
Voltage
V_CLAMP(EA) With respect to V_CM
1
mV
70
3
-0.2 +0.03 +0.2
883 930 976
dB
MHz
µA
mV
POWER-GOOD AND OVERVOLTAGE PROTECTION
PGOOD Trip Level
V_UV
PGOOD goes low when V_OUT is below this
threshold
87.5
90 92.5 %V_OUT
PGOOD Output Low Level
PGOOD Output Leakage Current
OVI Trip Threshold
OVI Input Bias Current
ENABLE INPUT
V_PGLO
I_PG
OVP_TH
I_OVI
I_SINK = 4mA
PGOOD = V_CC
With respect to SGND
0.4
V
1
µA
1.244 1.276 1.308
V
0.2
µA
EN Input High Voltage
EN Input Hysteresis
V_EN
EN rising
2.437 2.5 2.562
V
0.28
V
EN Pullup Current
I_EN
THERMAL SHUTDOWN
13.5 15 16.5
µA
Thermal Shutdown
Temperature rising
150
°C
Thermal Shutdown Hysteresis
30
°C
Note 1: Specifications at T_A = +25°C are 100% tested. Specifications over the temperature range are guaranteed by design.
Note 2: Does not include an error due to finite error amplifier gain. See the Voltage-Error Amplifier (EAOUT) section.
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