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參數(shù)資料
| 型號(hào)： | MAX1697 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 60mA, SOT23 Inverting Charge Pump with Shutdown |
| 中文描述： | 60mA、SOT23封裝、反相電荷泵，帶有關(guān)斷 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 222K |
| 代理商： | MAX1697 |
General Description
The MAX1697 ultra-small, monolithic, CMOS charge-
pump voltage inverter accepts an input voltage ranging
from +1.25V to +5.5V. This device features an ultra-low
12
output resistance, permitting loads of up to 60mA
with maximum efficiency. The MAX1697 is available
with operating frequencies of 12kHz, 35kHz, 125kHz, or
250kHz, allowing optimization of supply current or
external component size. Its small external components
and micropower shutdown mode make this device
ideal for both battery-powered and board-level voltage
conversion applications.
Oscillator control circuitry and four power MOSFET
switches are included on-chip. Applications include
generating a negative supply from a +5V or +3.3V logic
supply to power analog circuitry. All versions come in a
6-pin SOT23 package and deliver 60mA.
For applications with lower current requirements, the
MAX1719/MAX1720/MAX1721 are pin-compatible
SOT23 charge pumps that supply up to 25mA.
Applications
Negative Supply from +5V or +3.3V Logic Supplies
Small LCD Panels
GaAsFET Bias Supplies
Handy-Terminals, PDAs
Battery-Operated Equipment
Features
60mA Output Current
Low 12
Output Resistance
150μA Supply Current (MAX1697R)
Requires Only Two 1μF Capacitors (MAX1697U)
Start-Up Current Limited
+1.25V to +5.5V Input Voltage Range
0.1μA Logic-Controlled Shutdown
Slew-Rate Limited to Reduce EMI
6-Pin SOT23 Package
M
60mA, SOT23 Inverting Charge Pump
with Shutdown
________________________________________________________________ Maxim Integrated Products
1
SHDN
5
TOP VIEW
IN
GND
C1-
C1+
OUT
SOT23-6
1
6
MAX1697
2
3
4
Pin Configuration
C1+
C1-
IN
SHDN
OUT
GND
ON
1
μ
F
1
μ
F
OFF
INPUT
1.5V to 5.5V
NEGATIVE
OUTPUT
-1
·
V
IN
60mA
MAX1697U
Typical Operating Circuit
19-1499; Rev 0; 7/99
PART
MAX1697
_
EUT-T
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
6 SOT23-6
Ordering Information
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
PART NO.
SUFFIX
R
S
T
U
12
35
125
FREQUENCY
(kHz)
TOP
MARK
AABV
AABW
AABX
250
AABY
Note:
The MAX1697 is available with four different operating
frequencies. Choose the desired frequency from the table
below and insert the suffix in the blank above to complete the
part number.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1697R | 60mA, SOT23 Inverting Charge Pump with Shutdown |
| MAX1697REUT-T | 60mA, SOT23 Inverting Charge Pump with Shutdown |
| MAX1697S | 60mA, SOT23 Inverting Charge Pump with Shutdown |
| MAX1697T | 60mA, SOT23 Inverting Charge Pump with Shutdown |
| MAX1697U | 60mA, SOT23 Inverting Charge Pump with Shutdown |
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