MAX16818_09 Datasheet, PDF (4/25 Pages) Maxim Integrated Products – 1.5MHz, 30A High-Efficiency, LED Driver with Rapid LED Current Pulsing

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 = 1mΩ, 100mV ≤ V__IOUT ≤ 5.5V
132.3 135 137.7 mV/A
Offset Voltage
1
mV
VOLTAGE-ERROR AMPLIFIER (EAOUT)
Open-Loop Gain
A_VOLEA
Unity-Gain Bandwidth
f_GBW
EAN Input Bias Current
I_B(EA)
V_EAN = 2.0V
70
3
-0.2 +0.03 +0.2
dB
MHz
µA
Error Amplifier Output Clamping
Voltage
V_CLAMP(EA) With respect to V_CM
883 930 976
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
EN Input High Voltage
EN Input Hysteresis
EN Pullup Current
THERMAL SHUTDOWN
Thermal Shutdown
V_PGLO
I_PG
OVP_TH
I_OVI
I_SINK = 4mA
PGOOD = V_CC
With respect to SGND
V_EN
EN rising
I_EN
Temperature rising
0.4
V
1
µA
1.244 1.276 1.308
V
0.2
µA
2.437 2.5 2.562
V
0.28
V
13.5 15 16.5
µA
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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