MAX16816 Datasheet, PDF (3/33 Pages) Maxim Integrated Products – Programmable Switch-Mode LED Driver with Analog-Controlled PWM Dimming

Programmable Switch-Mode LED Driver
with Analog-Controlled PWM Dimming
ELECTRICAL CHARACTERISTICS (continued)
(V_CC = V_UVEN = 14V, C_REG1 = 1µF, C_REG2 = 1µF, C_CLMP = 0.1µF, R_T = 25kΩ, T_A = T_J = -40°C to +125°C, unless otherwise noted.
Typical specifications are at T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
REG2 control register is ‘0000’,
V_CC ≥ 7.5V, I_REG2 = 1mA
REG2 control register is ‘0011’,
V_CC ≥ 9.5V, I_REG2 = 1mA
REG2 Regulation Voltage
REG2 control register is ‘1111’,
V_CC ≥ 17.5V, I_REG2 = 1mA
REG2 control register is ‘0000’,
V_CC = 5.7V, 0 ≤ I_REG2 ≤ 20mA
REG2 control register is ‘0000’,
V_CC = 7.5V, 0 ≤ I_REG2 ≤ 20mA
REG2 control register is ‘1111’,
V_CC = 17.5V, 0 ≤ I_REG2 ≤ 20mA
HIGH-SIDE REGULATOR (CLMP) (All voltages referred to V_LO) (Note 2)
CLMP UVLO Threshold
V_{CLMP_TH} V_CLMP rising
CLMP UVLO Threshold
Hysteresis
V_{CLMP_HYS}
CLMP Regulator Output
Voltage
V_CLMP
8.7V ≤ (V_HI - V_LO) ≤ 36V, I_CLMP = 1mA
5.0V ≤ (V_HI - V_LO) ≤ 8.7V, I_CLMP = 250µA
CURRENT-SENSE AMPLIFIER (CSA)
Differential Input Voltage
Range
V_CS+ - V_CS-
Common-Mode Range
CS+ Input Bias Current
CS- Input Bias Current
Unity-Gain Bandwidth
I_CS+
I_CS-
V_CC ≤ 68V
V_CS+ = 0.3V, V_CS- = 0V
V_CS+ = 0.3V, V_CS- = 0V
From (CS+ to CS-) to CS
REF OUTPUT BUFFER
REF Output Voltage
DIM DRIVER
V_REF
-100µA ≤ I_L ≤ +100µA
Minimal Pulse Width
Source Current
Sink Current
GATE DRIVER
f_DIM = 200Hz (Note 3)
V_CLMP - V_LO = 4V
V_CLMP - V_LO = 8V
V_CLMP - V_LO = 4V
V_CLMP - V_LO = 8V
DRI Voltage Range
DRI UVLO Threshold
V_DRI
V_CC ≥ 2.5V above V_DRI
V_{UVLO_TH}
DRI UVLO Threshold
Hysteresis
V_{UVLO_HYST}
MIN TYP MAX UNITS
4.75
5
5.25
6.65
7.0
7.35
13.5
15
16.5
V
4
4.5
5.25
4.75
5
5.25
13.5
15
16.5
2.0
2.5
3.0
V
0.22
V
5.5
8.0
10.0
(V_HI - V_LO)
V
- 0.7
0
0.3
V
0
V_CC
V
-250
+250 nA
400
µA
1.0
MHz
2.85
3.0
3.15
V
20
40
µs
5
20
mA
30
67
10
22
mA
40
76
5
15
V
4.0
4.2
4.4
V
0.3
V
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