参数资料
型号: MAX890LESA+T
厂商: Maxim Integrated Products
文件页数: 8/8页
文件大小: 0K
描述: IC SW MOSFET PUR PCH HSIDE 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 高端开关
输出数: 1
Rds(开): 130 毫欧
内部开关:
电流限制: 1.2A
输入电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
High-Frequency, Regulated,
200mA, Inverting Charge Pump
Table 1. Capacitor Selection Table
PART
MAX889R
MAX889S
MAX889T
FREQUENCY
0.5MHz
1MHz
2MHz
C FLY
4.7 μ F
2.2 μ F
1 μ F
C OUT
22 μ F
10 μ F
4.7 μ F
C IN
REGULATED
22 μ F
10 μ F
4.7 μ F
C IN
FREE-RUN
4.7 μ F
2.2 μ F
1 μ F
Table 2. Low-ESR Capacitor Manufacturers
PRODUCTION
METHOD
Surface-Mount
Tantalum
Surface-Mount Polymer
Surface-Mount Ceramic
MANUFACTURER
AVX
Kemet
Matsuo
Sprague
Sanyo
AVX
Kemet
Matsuo
Murata
SERIES
TPS series
494 series
267 series
593D, 595D series
POSCAP-APA
X7R
X7R
X7R
GRM X7R
PHONE
803-946-0690
864-963-6300
714-969-2491
603-224-1961
619-661-6835
803-946-0690
864-963-6300
714-969-2491
814-237-1431
FAX
803-626-3123
864-963-6521
714-960-6492
603-224-1430
619-661-1055
803-626-3123
864-963-6521
714-960-6492
814-238-0490
Chip Information
TRANSISTOR COUNT: 1840
PROCESS: BiCMOS
V REF
Package Information
INPUT
5V
5.0V
C IN
4.7 μ F
1
R1
100k
OFF
ON
6
SHDN
IN
FB
7
V OUT = -V REF × R2
C FLY
1 μ F
2
4
CAP+ MAX889T
CAP-
AGND
OUT
GND
5
R2
66.5k
C OUT
4.7 μ F
OUTPUT
-3.3V
R1
8
3
Figure 4. Separate VREF for Voltage Divider
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
? 2000 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
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