ADM8828ARTZ-REEL7 | |
|---|---|
| Manufacturer Part Number | ADM8828ARTZ-REEL7 |
| Description | IC SW CAP/INV ADJ .025A SOT23-6 |
| Manufacturer | Analog Devices Inc |
| Type | Switched Capacitor (Charge Pump), Inverting |
| ADM8828ARTZ-REEL7 datasheets |
|
Availability: In stock
International delivery:
Warranty: 60 days
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Specifications of ADM8828ARTZ-REEL7 | |||
|---|---|---|---|
| Internal Switch(s) | Yes | Synchronous Rectifier | No |
| Number Of Outputs | 1 | Voltage - Output | -1.5 ~ -5.5 V |
| Current - Output | 25mA | Voltage - Input | 1.5 ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C | Mounting Type | Surface Mount |
| Package / Case | SOT-23-6 | Power - Output | 570mW |
| Primary Input Voltage | 5.5V | No. Of Outputs | 1 |
| Output Voltage | -5.5V | Output Current | 25mA |
| No. Of Pins | 6 | Operating Temperature Range | -40°C To +85°C |
| Msl | MSL 1 - Unlimited | Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Frequency - Switching | - | Other names | ADM8828ARTZ-REEL7 ADM8828ARTZ-REEL7TR |
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FEATURES
Inverts Input Supply Voltage
99% Voltage Conversion Efficiency
25 mA Output Current
Shutdown Function
Requires Only Two Capacitors
1 F Capacitors
18
Output Resistance
+1.5 V to +5.5 V Input Range
600 A Quiescent Current
20 nA Shutdown Current (ADM8828)
APPLICATIONS
Handheld Instruments
LCD Panels
Cellular Phones
PDAs
Remote Data Acquisition
Op Amp Power Supplies
GENERAL DESCRIPTION
The ADM8828/ADM8829 is a charge-pump voltage inverter
which may be used to generate a negative supply from a positive
input. Input voltages ranging from +1.5 V to +5.5 V can be
inverted into a negative –1.5 V to –5.5 V output supply. This
inverting scheme is ideal for generating a negative rail in single
power-supply systems. Only two small external capacitors are
needed for the charge pump. Output currents up to 25 mA with
greater than 99% efficiency are achievable.
The ADM8828 also features a low power shutdown (SHDN)
pin. This can be used to disable the device and reduce the quies-
cent current to 20 nA.
The ADM8828/ADM8829 is available in a 6-lead SOT-23
package.
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
Switched-Capacitor
Voltage Inverter with Shutdown
ADM8828/ADM8829
FUNCTIONAL BLOCK DIAGRAMS
1
OUT
ADM8828
2
IN
TOP VIEW
(Not to Scale)
CAP–
3
1
OUT
ADM8829
IN
2
TOP VIEW
(Not to Scale)
CAP–
3
NC = NO CONNECT
+1.5V TO +5.5V
INPUT
CAP+
IN
+
ADM8828/
C1
ADM8829
1 F
SHDN
CAP–
OUT
GND
Figure 1. Typical Circuit Configuration
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
6
CAP+
5
SHDN
4
GND
6
CAP+
5
NC
4
GND
SHUTDOWN
CONTROL
INVERTED
NEGATIVE
OUTPUT
C2
+
1 F
© Analog Devices, Inc., 1999
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ADM8828ARTZ-REEL7 Summary of contents |
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