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参数资料
| 型号： | MAX16834EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/23页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX16834 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 电流 - 输出 / 通道： | 1A |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 28V |
| 特点： | 可调光 |
| 输入电压： | 7 ~ 28V |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX16834 |
MAX16834
High-Power LED Driver with Integrated High-Side LED
Current Sense and PWM Dimming MOSFET Driver
ABSOLUTE MAXIMUM RATINGS
IN, HV, LV to SGND................................................-0.3V to +30V
OVP+, SENSE+, DIMOUT, CLV to SGND ..............-0.3V to +30V
SENSE+ to LV........................................................-0.3V to +0.3V
HV, IN to LV ............................................................-0.3V to +30V
OVP+, CLV, DIMOUT to LV ......................................-0.3V to +6V
PGND to SGND .....................................................-0.3V to +0.3V
V CC to SGND..........................................................-0.3V to +12V
NDRV to PGND...........................................-0.3V to (V CC + 0.3V)
All Other Pins to SGND.............................................-0.3V to +6V
NDRV Continuous Current................................................±50mA
DIMOUT Continuous Current..............................................±2mA
V CC Short-Circuit Current to SGND Duration ...........................1s
Continuous Power Dissipation (T A = +70°C)
QFN, TQFN (derate 25.6mW/°C* above +70°C).........2051mW
TSSOP (derate 26.5mW/°C above +70°C) .....................2122mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
*As per JEDEC51 standard (multilayer board).
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.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
Junction-to-Ambient Thermal Resistance ( θ JA )
QFN, TQFN ........................................................................39°C/W
TSSOP .............................................................................37.7°C/W
Junction-to-Case Thermal Resistance ( θ JC )
QFN, TQFN .....................................................................6°C/W
TSSOP .............................................................................2°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial .
ELECTRICAL CHARACTERISTICS
(V IN = V HV = 12V, V UVEN = 5V, V LV = V PWMDIM = V SGND , C VCC = 4.7μF, C LCV = 100nF, C REF = 100nF, R SENSE+ = 0.1 ? ,
R RT = 10k ? , T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Input Voltage Range
Quiescent Supply Current
Shutdown Supply Current
SYMBOL
V IN
I Q
I SHDN
CONDITIONS
Excluding I LED
V UVEN = 0V
MIN
4.75
TYP
6
30
MAX
28
10
60
UNITS
V
mA
μA
INTERNAL LINEAR REGULATOR (V CC )
Output Voltage
Dropout Voltage
Short-Circuit Current
V CC
V DO
0 ≤ I CC ≤ 50mA, 9.5V ≤ V IN ≤ 28V
I CC = 35mA (Note 2)
V CC = 0V, V IN = 12V
6.3
80
7
0.65
7.7
1
300
V
V
mA
LINEAR REGULATOR (CLV)
Output Voltage
Dropout Voltage
Short-Circuit Current
(V CLV - V LV )
V DO
0 ≤ I CLV ≤ 2mA, 6V ≤ V HV ≤ 28V,
6V ≤ V (HV-LV) ≤ 22V
I CLV = 2mA, 0 ≤ V LV ≤ 23.3V (Note 3)
V CLV = 12V, V IN = 12V, V HV = 24V
4.7
2.2
5
5.3
0.5
10
V
V
mA
REFERENCE VOLTAGE (REF)
Output Voltage
V REF
0 ≤ I REF ≤ 1mA, 4.75V ≤ V IN ≤ 28V
3.625
3.70
3.775
V
REF Short-Circuit Current
V REF = 0V
30
mA
UNDERVOLTAGE LOCKOUT/ENABLE INPUT (UVEN)
UVEN On Threshold Voltage
V UVEN_THUP
1.395
1.435
1.475
V
UVEN Threshold Voltage
Hysteresis
200
mV
Input Leakage Current
I LEAK
V UVEN = 0V
1
μA
PWMDIM
PWMDIM On Threshold Voltage
V PWMDIM
1.395
1.435
1.475
V
2
Maxim Integrated
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| MAX16835ATE+ | 功能描述:LED照明驱动器 350mA Adj Linear HB RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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