参数资料
型号: MAX8520ETP+T
厂商: Maxim Integrated Products
文件页数: 7/18页
文件大小: 0K
描述: IC DRVR PWR TEC 20-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 热电冷却器
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP(5x5)
包装: 带卷 (TR)
Smallest TEC Power Drivers for Optical
Modules
Typical Operating Characteristics (continued)
(V DD = 5V, circuit of Figure 1, T A = +25°C unless otherwise noted.)
1200
SWITCHING FREQUENCY CHANGE vs. V DD
1100
SWITCHING FREQUENCY vs. R EXT
0.6
REFERENCE VOLTAGE CHANGE vs. V DD
1000
800
FREQ = 1MHz
1000
900
0.4
0.2
0
REF SOURCING 150 μ A
800
-0.2
600
700
V DD = 5V
-0.4
-0.6
400
200
0
FREQ = 500kHz
600
500
400
V DD = 3.3V
-0.8
-1.0
-1.2
-1.4
3.0
3.5
4.0
4.5
5.0
5.5
60
80
100
120
140
160
3.0
3.5
4.0
4.5
5.0
5.5
5
V DD (V)
REFERENCE VOLTAGE CHANGE
vs. TEMPERATURE
0
R EXT (k ? )
REFERENCE VOLTAGE CHANGE
vs. LOAD CURRENT
V DD (V)
STARTUP AND SHUTDOWN WAVEFORMS
MAX8520/21 toc17
4
3
2
1
0
REF SOURCING 150 μ A
-2
-4
-6
V SHDN
5V/div
0V
I DD
200mA/div
0mA
-1
-2
-3
-4
-5
-8
-10
-12
I TEC
500mA/div
0mA
-40
-20
0
+20
+40
+60
+80
0
0.2
0.4
0.6
0.8
1.0
200 μ s/div
TEMPERATURE ( ° C)
CTLI STEP RESPONSE
MAX8520/21 toc18
V CTLI
LOAD CURRENT (mA)
V DD STEP RESPONSE
MAX8520/21 toc19
1ms
1V/div
1.5V
0A
I TEC
1A/div
10ms/div
V DD
2V/div
0V
1A
I TEC
10mA/div
_______________________________________________________________________________________
7
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