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参数资料
| 型号： | MAX16816ATJ+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/33页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR HIGH BRIGHT 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 拓扑： | PWM，SEPIC，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载 |
| 类型 - 次要： | 高亮度 LED（HBLED） |
| 频率： | 125kHz ~ 500kHz |
| 电源电压： | 5.5 V ~ 76 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
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Programmable Switch-Mode LED Driver
with Analog-Controlled PWM Dimming
ABSOLUTE MAXIMUM RATINGS
V CC , HI, LO, CLMP to QGND .................................-0.3V to +80V
CS+, CS-, DGT, UVEN, FAULT to QGND...............-0.3V to +80V
UVEN to QGND ..........................................-0.3V to (V CC + 0.3V)
DRV to SGND .........................................................-0.3V to +18V
DRI, REG2, DIM to AGND ......................................-0.3V to +18V
QGND, SGND to AGND ........................................-0.3V to +0.3V
SNS+ to SNS- ...........................................................-0.3V to +6V
CS, FB, COMP, SNS+, SNS-, OV, REF,
RTSYNC to AGND ................................................-0.3V to +6V
REG1, CLKOUT to AGND ........................................-0.3V to +6V
CS+ to CS- .............................................................-0.3V to +12V
HI to LO ..................................................................-0.3V to +36V
CS+, CS-, DGT, CLMP to LO .................................-0.3V to +12V
CS+, CS-, DGT, CLMP to LO ........................-0.3V to (HI + 0.3V)
HI to CLMP .............................................................-0.3V to +28V
Continuous Power Dissipation* (T A = +70°C)
32-Pin TQFN (derate 34.5mW/°C above +70°C) .......2758mW
Thermal Resistance
θ JA ................................................................................29°C/W
θ JC ...............................................................................1.7°C/W
Operating Temperature Range .........................-40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
*As per JEDEC 51 standard, Multilayer Board (PCB).
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V CC = V UVEN = 14V, C REG1 = 1μF, C REG2 = 1μF, C CLMP = 0.1μF, R T = 25k Ω , T A = T J = -40°C to +125°C, unless otherwise noted.
Typical specifications are at T A = +25°C.)
PARAMETER
Input Voltage Range
Supply Current to V CC
Supply Current to HI
Shutdown Current to V CC
Shutdown Current to HI
SYMBOL
V CC
I Q_VCC
I Q_HI
I SHDN_VCC
I SHDN_HI
CONDITIONS
Exclude current to the gate driver, I REG2
V HI = 14V
V UVEN ≤ 300mV
V UVEN ≤ 300mV
MIN
5.5
TYP
2.7
0.5
25
1
MAX
76
4.5
1.0
45
10
UNITS
V
mA
mA
μA
μA
UVEN
V CC UVLO Threshold
V CC Threshold Hysteresis
V CC_R
V CC_F
V CC_HYS
V CC rising
V CC falling
5.5
5.0
0.4
6.0
5.5
V
V
UVEN Threshold
UVEN Input Current
V UVR
V UVF
I UVEN
V UVEN rising
V UVEN falling
(V UVEN = 0V and V CC = 14V) (V UVEN = 76V
and V CC = 77V)
1.10
1.00
-0.2
1.244
1.145
1.36
1.26
+0.2
V
μA
REGULATORS
REG1 Regulator Output
REG1 Dropout Voltage
REG1 Load Regulation
REG2 Dropout Voltage
REG2 Load Regulation
V REG1
Δ V/ Δ I
Δ V/ Δ I
0 < I REG1 < 2mA, 7.5V < V CC < 76V
I REG1 = 2mA, V CC = 5.7V
I REG1 = 2mA (Note 1)
V CC = 7.5V, I REG1 = 0 to 2mA
V CC ≥ 9.5V, REG2 control register is ‘0011’,
I REG2 = 20mA (Note 1)
V CC ≥ 9.5V, REG2 control register is ‘0011’,
I REG2 = 0 to 20mA
4.75
4.00
5.00
4.50
0.5
0.5
5.25
5.25
1.0
25
1.0
25
V
V
Ω
V
Ω
2
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