- RS Stock No.:
- 191-3999
- Mfr. Part No.:
- MAX840ISA+
- Brand:
- Maxim Integrated
- RS Stock No.:
- 191-3999
- Mfr. Part No.:
- MAX840ISA+
- Brand:
- Maxim Integrated
Technical Reference
Legislation and Compliance
Product Details
Fixed -2V or Adjustable -0.5V to -9.4V Output at 4mA (MAX840)
2.5V to 10V Input Voltage Range
Operate with Small Capacitors (as low as 0.22μF)
1mVp-p Output Voltage Ripple
Charge-Pump Switching Frequency:
100kHz in Normal Operation
20kHz in Shutdown Mode (MAX844)
1μA Max Logic-Level Shutdown Over Temp. (MAX840/MAX843)
Small 8-Pin SO Package
Applications
Cell Phones
Continuously Adjustable GaAsFET Bias
GaAsFET Power Amplifier Modules
LCD-Bias Contrast Control
Personal Communicators, PDAs
Regulated Negative Power Supplies
Wireless Data Loggers
2.5V to 10V Input Voltage Range
Operate with Small Capacitors (as low as 0.22μF)
1mVp-p Output Voltage Ripple
Charge-Pump Switching Frequency:
100kHz in Normal Operation
20kHz in Shutdown Mode (MAX844)
1μA Max Logic-Level Shutdown Over Temp. (MAX840/MAX843)
Small 8-Pin SO Package
Applications
Cell Phones
Continuously Adjustable GaAsFET Bias
GaAsFET Power Amplifier Modules
LCD-Bias Contrast Control
Personal Communicators, PDAs
Regulated Negative Power Supplies
Wireless Data Loggers
Specifications
Attribute | Value |
---|---|
Regulator Type | Linear Voltage |
Maximum Output Current | 4mA |
Output Voltage | -1.9 V |
Number of Outputs | 1 |
Load Regulation | 8 mV/mA |
Mounting Type | Surface Mount |
Polarity | Negative |
Package Type | SOIC |
Pin Count | 8 |
Output Type | Adjustable |
Dimensions | 5 x 4 x 1.5mm |
Minimum Operating Temperature | -25 °C |
Minimum Input Voltage | 2.5 V |
Maximum Input Voltage | 10 V |
Height | 1.5mm |
Maximum Operating Temperature | +85 °C |
Width | 4mm |
Length | 5mm |