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| 型号： | MAX1697UEUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHED CAP INV SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 切换式电容器（充电泵），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -1.5 V ~ -5.5 V |
| 输入电压： | 1.6 V ~ 5.5 V |
| 频率 - 开关： | 120kHz ~ 400kHz |
| 电流 - 输出： | 60mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-6 |
| 其它名称： | MAX1697UEUT+TDKR |
19-1499; Rev 3; 12/08
60mA, SOT23 Inverting Charge Pump
with Shutdown
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 Ω 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
Features
? 60mA Output Current
? Low 12 Ω Output Resistance
? 150 μ A Supply Current (MAX1697R)
? Requires Only Two 1 μ F Capacitors (MAX1697U)
? Start-Up Current Limited
? +1.25V to +5.5V Input Voltage Range
? Slew-Rate Limited to Reduce EMI
Ordering Information
switches are included on-chip. Applications include
PART
TEMP RANGE
PIN-PACKAGE
-40 ° C to +85 ° C
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.
MAX1697_EUT-T 6 SOT23
Note 1: The MAX1697 requires special solder temperature pro-
file described in the Absolute Maximum Ratings section.
Note 2: 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.
Applications
PART NO.
FREQUENCY
TOP MARK
Negative Supply from +5V or +3.3V Logic Supplies
Small LCD Panels
GaAsFET Bias Supplies
SUFFIX
R
S
(kHz)
12
35
-T
AABV
AABW
+T
AABV
AABW
#T
ACBT
ACCK
Handy-Terminals, PDAs
Battery-Operated Equipment
Typical Operating Circuit
T 125 AABX AABX ACCL
U 250 AABY AABY ACCM
Note 3: MAX1697 is available in different package material.
Add the following suffix to the part number when ordering:
- T = Denotes a package containing lead(Pb).
+ T = Denotes a lead(Pb)-free/RoHS-compliant package.
# T = Denotes an RoHS-compliant device that may include
lead(Pb) that is exempt under the RoHS requirements.
Pin Configuration
1 μ F
TOP VIEW
+
OUT
1
6
C1+
INPUT
1.5V to 5.5V
IN
C1+
C1-
OUT
NEGATIVE
OUTPUT
-1 ? V IN
IN
2
MAX1697
5
SHDN
60mA
MAX1697U
1 μ F
C1-
3
4
GND
ON
OFF
SHDN
GND
SOT23
Note 4: Leaded and lead-free top marks are identical. Per
Maxim guideline, the pin 1 indicator for leaded package is
a ‘?’ and the lead-free package is a ‘+’.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
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