参数资料
型号: MAX16840ATB+T
厂商: Maxim Integrated
文件页数: 3/12页
文件大小: 0K
描述: IC LED DRVR MR16 12/24VAC 10TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
拓扑: SEPIC,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 通用
频率: 300kHz
电源电压: 6.5 V ~ 40 V
输出电压: 48V
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-TDFN-EP(3x3)
包装: 标准包装
工作温度: -40°C ~ 125°C
其它名称: MAX16840ATB+TDKR
MAX16840
LED Driver with Integrated MOSFET
for MR16 and Other 12V AC Input Lamps
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V; V EXT = V SOURCE = V FB = V GND = 0V; COMP, REFI, and DRAIN = open; T A = T J = -40 N C to +125 N C, unless otherwise
noted. Typical values are at T A = +25 N C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SOURCE Current-Limit
Comparator Propagation Delay
25
ns
FB Input Bias Current
I FB
V FB = 0V and V FB = 0.3V
-1
+1
F A
FB Current-Limit Comparator
Leading-Edge Blanking
50
ns
REFI Source Current
Foldback Kick in Threshold
FB Average Voltage During
Foldback
V REFI = 1.224V
Falling on REFI
V REFI = 1.15V
V REFI = 1V
V REFI = 0.8V
47.5
1.135
178
153
120
50
1.2
189
164.5
132
52.5
1.255
201
176
143
F A
V
mV
FB Average Voltage to REFI
Gain
V REFI = 1V
6.075
EXT Drive Current
V IN = 2V, V EXT = 1V
12.5
40
mA
EXT Pulldown Resistance
Thermal-Shutdown Temperature
Thermal Shutdown Hysteresis
Temperature rising
5
10
165
15
20
k I
N C
N C
Note 2: All devices are 100% tested at T A = T J = +25 N C. Limits over temperature are guaranteed by design.
Maxim Integrated
3
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