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| 型号： | MAX8520ETP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/18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
ELECTRICAL CHARACTERISTICS (continued)
(V DD = V PVDD1 = V PVDD2 = V SHDN = 5V, 1MHz mode (Note 4). PGND1 = PGND2 = GND, CTLI = MAXV = MAXIP = MAXIN = REF,
T A = -40°C to +85°C , unless otherwise noted.) (Note 8)
PARAMETER
MAXV Threshold Accuracy
SYMBOL
CONDITIONS
V MAXV = V REF x 0.67, V OS1 to V OS2 = ± 4V,
V DD = 5V
V MAXV = V REF x 0.33, V OS1 to V OS2 = ± 2V,
V DD = 3V
MIN
-2
-3
MAX
+2
+3
UNITS
%
%
I MAXV-
MAXV, MAXI_ Input Bias Current
BIAS ,
V MAXV = V MAXI_ = 0.1V or 1.5V
-0.1
+0.1
μA
I MAXI_-BIAS
CTLI Gain
CTLI Input Resistance
A CTLI
R CTLI
V CTLI = 0.5V to 2.5V (Note 7)
1M ? terminated at REF
9.5
0.5
10.5
2.0
V/V
M ?
Error-Amp Transconductance
V ITEC Accuracy
g m
V OS1 to V CS = ± 100mV
V OS1 = V DD /2
50
-10
160
+10
μS
%
Note 4: Enter 1MHz mode by connecting a 60k ? resistor from FREQ to ground for the MAX8520, and connecting FREQ to V DD for
the MAX8521.
Note 5: Includes power FET leakage.
Note 6: Duty-cycle specification is guaranteed by design and not production tested.
Note 7: CTLI Gain is defined as:
A CTLI =
? V CTLI
? ( V OS 1 ? V CS )
Note 8: Specifications to -40°C are guaranteed by design and not production tested.
Typical Operating Characteristics
(V DD = 5V, circuit of Figure 1, T A = +25°C unless otherwise noted.)
90
80
70
60
50
EFFICIENCY vs. TEC CURRENT
V DD = 5V, R TEC = 2 ?
FREQ = 500kHz
FREQ = 1MHz
90
80
70
60
50
EFFICIENCY vs. TEC CURRENT
V DD = 3.3V, R TEC = 1.3 ?
FREQ = 500kHz
FREQ = 1MHz
COMMON-MODE
OUTPUT VOLTAGE RIPPLE
MAX8520/21 toc03
C 2 = C 7 = 1 μ F
V OS2
20mV/div
AC-COUPLED
40
40
30
20
10
0
30
20
10
0
V OS1
20mV/div
AC-COUPLED
I TEC = 1A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
400ns/div
TEC CURENT (A)
TEC CURRENT (A)
_______________________________________________________________________________________
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8520EVKIT | 制造商:Maxim Integrated Products 功能描述:SMALLEST TEC POWER DRIVERS FOR OPTI - Rail/Tube |
| MAX8521EBX | 制造商:Maxim Integrated Products 功能描述:SMALLEST TEC POWER DRIVERS FOR OPTICAL MODULE - Rail/Tube |
| MAX8521EBX+T | 功能描述:其他电源管理 RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| MAX8521EBX-T | 功能描述:其他电源管理 RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| MAX8521ETP | 功能描述:其他电源管理 RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
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