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MAX1852EXT-T Datasheet

  • MAX1852EXT-T

  • IC PUMP INV CHRG SHUTDWN SC70-6

  • 8頁

  • Maxim   Maxim

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19-1792; Rev 0; 9/00
SC70 Inverting Charge Pumps
with Shutdown
General Description
The MAX1852/MAX1853 monolithic, CMOS charge-
pump voltage inverters in the ultra-small SC70 package
feature a low 15鈩?output resistance, permitting loads
up to 30mA with maximum efficiency. The MAX1852/
MAX1853 are available with operating frequencies of
50kHz and 200kHz, respectively, allowing optimization
of supply current or external component size. Small
external components and micropower shutdown mode
make these devices 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. Both versions come in
a 6-pin SC70 package that is 40% smaller than a
SOT23.
o
30mA Output Current
o
Low 15鈩?Output Resistance
o
68碌A(chǔ) Supply Current (MAX1852)
o
Requires Only Two 0.68碌F Capacitors (MAX1853)
o
+2.5V to +5.5V Input Voltage Range
o
0.1碌A(chǔ) Logic-Controlled Shutdown
o
Two Switching Frequencies
50kHz (MAX1852)
200kHz (MAX1853)
o
Slew-Rate Limited to Reduce EMI
o
Ultra-Small 6-Pin SC70 Package
Features
MAX1852/MAX1853
Applications
Negative Supply from +5V or +3.3V Logic Supplies
Small LCD Panels
GaAsFET Bias Supplies
Handy-Terminals, PDAs
Battery-Operated Equipment
PART
MAX1852EXT
MAX1853EXT
TEMP.
RANGE
-40擄C to +85擄C
-40擄C to +85擄C
PIN-
PACKAGE
6 SC70
6 SC70
TOP
MARK
AAL
AAM
Ordering Information
Typical Operating Circuit
0.68碌F
Pin Configuration
TOP VIEW
INPUT
2.5V TO 5.5V
C1+
IN
C1-
OUT
NEGATIVE
OUTPUT
-1
鉁?/div>
V
IN
30mA
0.68碌F
OUT
1
6
C1+
MAX1853
ON
OFF
SHDN
GND
GND
2
MAX1852
MAX1853
5
C1-
SHDN
3
4
IN
SC70-6
________________________________________________________________
Maxim Integrated Products
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

MAX1852EXT-T 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 2,500

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器

  • -

  • 切換式電容器（充電泵），反相

  • 可調(diào)式

  • 1

  • -2.5 V ~ -5.5 V

  • 2.5 V ~ 5.5 V

  • -

  • 50kHz

  • 30mA

  • 無

  • -40°C ~ 85°C

  • 表面貼裝

  • 6-TSSOP，SC-88，SOT-363

  • 帶卷 (TR)

  • SC-70-6

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