|
|
|
MAX1963A, MAX1976A
Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN
|
Status
| Part Number |
Status |
|
MAX1963A
|
Active: In Production. |
|
MAX1976A
|
Active: In Production. See Ordering Information for details. |
Description
The MAX1963A/MAX1976A low-dropout linear regulators operate from a +1.62V to +3.6V supply and deliver a guaranteed 300mA continuous load current with a low
100mV dropout. The high-accuracy (±0.5%) output voltage is preset to an internally trimmed voltage in the +0.75V to +3.0V range. An active-low, open-drain reset output remains asserted for at least 2.2ms (MAX1963A) or 70ms (MAX1976A) after the output voltage reaches regulation. These devices are offered in thin SOT23 and thin DFN packages. An internal pMOS pass transistor allows the low supply current to remain independent of load and dropout voltage, making these devices ideal for portable battery-powered equipment.
|
|
Data Sheet
|
Key Features
- Low 1.62V Minimum Input Voltage
- Guaranteed 300mA Output Current
- ±2.5% Accuracy Over Load/Line/Temp
- Low 100mV Dropout at 300mA Load
- 2.2ms (MAX1963A) or 70ms (MAX1976A) Active-Low RESET Output Flag
- Supply Current Independent of Load and Dropout Voltage
- Logic-Controlled Shutdown
- Thermal-Overload and Short-Circuit Protection
- Preset Output Voltages (0.75V to 3.0V)
- Tiny 6-Pin Thin SOT23 Package (< 1.1mm High)
- TDFN Package (< 0.8mm High)
|
|
Applications/Uses
- Cellular/Smart/PDA Phones
- DSC, CD/MP3 Players
- Notebook/Handheld Computers
- PCMCIA Cards
|
|
|
|
Key Specifications:
| Linear Regulators |
| Part Number |
Regulators |
VIN
(V) |
VIN
(V) |
Preset VOUT
(V) |
VDROPOUT @Rated ILOAD
(V) |
Rated ILOAD
(mA) |
ICC
(µA) |
Output Voltage Noise
(µV RMS) |
Ref. Bypass |
Low Batt./ Pwr. Fail Out |
POK/Reset Thresh.
(V) |
Watchdog |
Reverse Batt. Protect. |
Oper. Temp.
(°C) |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| min |
max |
typ |
max |
typ |
nom |
max w/pins |
See Notes |
| MAX1963A |
1 |
1.62 |
3.6 |
| 0.75 | | 0.85 | | 0.9 | | 0.75 to 3.0 | | 1 | | 1.1 | | 1.2 | | 1.3 | | 1.5 | | 1.6 | | 1.8 | | 1.85 | | 2.5 | | 2.85 | | 3 |
|
0.1 |
300 |
140 |
86 |
No |
No |
Vout-17.5% |
No |
No |
-40 to +85 |
|
8.3 |
- |
| MAX1976A |
|
4.2 |
$1.56 @1k |
|
See All Linear Regulators (149)
|
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
|
|
Diagram
 Typical Operating Circuit
More Information
Didn't Find What You Need?
Information Index
Document Ref.: 19-3684
Rev 0;
2005-06-17
This page last modified: 2008-06-16
|
|
|
Download
E-Mail