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参数资料
| 型号： | DS3920T-002+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/7页 |
| 文件大小： | 1204K |
| 描述： | IC CURRENT MIRROR 5:1 SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 电流镜像 |
| 输入电压： | 2.97 V ~ 76 V |
| 电流 - 输出： | 4.4mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
DS3920
Fast Current Mirror
5
Maxim Integrated
Pin Configuration
Pin Description
Typical Operating Characteristics (continued)
(T
A
= +25癈, unless otherwise noted.)
PIN
NAME
FUNCTION
1
DIODE
Protection Diode. External potential used
for voltage clamping of V
MIR
. If unused,
this pin can be left unconnected.
2
GND
Ground
3
MIR
Mirror Current Monitor Output, 5:1 Ratio
4
MIROUT
Current Mirror Voltage Output. Connect to
photodiode bias pin. Photodiode
provides reference current for the mirror.
5
N.C.
No Connection. Not internally
connected.
6
MIRIN
Current Voltage Bias
SOT23
TOP VIEW
GND
MIR
1
DIODE
2
3
MIROUT
6 MIRIN
5 N.C.
+
4
DS3920
SHORT-CIRCUIT RESPONSE
(V
MIRIN
= 40V)
DS3920 toc12
20ms/div
CH1
0A
CH1: I
MIROUT
, 5mA/div
A: MIROUT SHORTS TO GND THROUGH 10&
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
D: POST COOL-DOWN REENTRY
E: THERMAL SHUTDOWN
F: POST COOL-DOWN REENTRY
T
A
= +40癈
A
B
C
D
E
F
SHORT-CIRCUIT RESPONSE
(V
MIRIN
= 76V)
DS3920 toc13
20ms/div
CH1
0A
CH1: I
MIROUT
, 5mA/div
A: MIROUT SHORTS TO GND THROUGH 10&
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
D: POST COOL-DOWN REENTRY
E: THERMAL SHUTDOWN
F: POST COOL-DOWN REENTRY
T
A
= +40癈
A
B
C
D
E
F
VOLTAGE DROP vs. MIROUT CURRENT
I
MIROUT
(mA)
10
1
0.1
0.01
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0.001
100
V
MIRIN
= 2.97V
T
A
= -40癈
T
A
= +25癈
T
A
= +100癈
T
A
= +85癈
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相关代理商/技术参数 |
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| DS3930E | 功能描述:数字电位计 IC RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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