参数资料
型号: A6268KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 5/19页
文件大小: 0K
描述: IC LED CTLR AUTOMOBILE 16TSSOP
标准包装: 1
恒定电流:
拓扑: 低端,PWM,SEPIC,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载,背光
频率: 100kHz ~ 700kHz
电源电压: 5 V ~ 50 V
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 16-TSSOP-EP
包装: 标准包装
工作温度: -40°C ~ 150°C
其它名称: 620-1473-6
A6268
Automotive High Current LED Controller
ELECTRICAL CHARACTERISTICS 1 Valid a t T J = –40°C to 150°C, V IN = 5 to 40 V; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Supply and Reference
V IN Functional Operating Range 2
5
50
V
V IN Quiescent Current
VREG Output Voltage
VREG Current Limit
I INQ
I INS
V REG
V REGCL
SG open circuit
EN = GND
I REG = 0 to 2 mA, V IN ≥ 5.3 V
I REG = 2 mA, V IN = 5 V
4.85
4.7
25
4
5
8
10
5.15
mA
μ A
V
V
mA
Gate Output Drive
Turn-On Time
Turn-Off Time
Maximum Duty Cycle
Pull-Up On Resistance
Pull-Down On Resistance
Output High Voltage
Output Low Voltage
t r
t f
D
R DS(on)UP
R DS(on)DN
V SGH
V SGL
C LOAD = 1 nF, 20% to 80%
C LOAD = 1 nF, 80% to 20%
t ON × f OSC
T J = 25°C, I GHx = –100 mA
T J = 150°C, I GHx = –100 mA
T J = 25°C, I GLx = 100 mA
T J = 150°C, I GLx = 100 mA
I SG = –100 μ A
I SG = 100 μ A
80
V REG –
0.1
30
30
85
1.7
0.75
3.5
1.5
V REG
0.1
ns
ns
%
Ω
Ω
Ω
Ω
V
V
Logic Inputs and Outputs
Fault Output (Open Drain)
Fault Output FF1 Sink Current
Fault Output FF1 Leakage Current 1
V OL
I OH(snk)
I OH1(lkg)
I OL = 1 mA, fault not asserted
0.4 V < V O < 50 V, fault not asserted
V O = 12 V, fault asserted
–1
1.3
0.4
1
V
mA
μ A
Fault Output FF2 Leakage
Current 1
I OH2(lkg)
V O = 5 V, fault asserted
–5
5
μ A
Input Low Voltage
Input High Voltage
Input Hysteresis
Enable Input Internal Clamp Voltage
V IL
V IH
V Ihys
V ENC
2
120
180
8.4
0.8
V
V
mV
V
Enable Input Current Limit Resistor
Boost Mode Select Voltage
Buck-Boost Mode Select Voltage
Disable Time
R EN
V LNB
V LNBB
t DIS
Between EN and internal clamp
Defined by V LN
Defined by V LN
f OSC = 350 kHz
3.5
200
94
0.8
k Ω
V
V
ms
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5
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