This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only,

See Technical Specifications

LM2662M

200mA switched capacitor voltage converter

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM2662M
Datasheet:

LM2662M Datasheet (PDF)
Vin (min) (V):

1.5
Vin (max) (V):

5.5
Vout (min) (V):

-5.5
Vout (max) (V):

11
EDA/CAD Models:

Request Free CAD Models for LM2662M

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

LM2662M General Description

The LM2662/LM2663 CMOS charge-pump voltage converter inverts a positive voltage in the range of 1.5 V to 5.5 V to the corresponding negative voltage. The LM2662/LM2663 uses two low cost capacitors to provide 200 mA of output current without the cost, size, and EMI related to inductor based converters. With an operating current of only 300 µA and operating efficiency greater than 90% at most loads, the LM2662/LM2663 provides ideal performance for battery powered systems. The LM2662/LM2663 may also be used as a positive voltage doubler.

The oscillator frequency can be lowered by adding an external capacitor to the OSC pin. Also, the OSC pin may be used to drive the LM2662/LM2663 with an external clock. For LM2662, a frequency control (FC) pin selects the oscillator frequency of 20 kHz or 150 kHz. For LM2663, an external shutdown (SD) pin replaces the FC pin. The SD pin can be used to disable the device and reduce the quiescent current to 10 µA. The oscillator frequency for LM2663 is 150 kHz.

Key Features

Inverts or Doubles Input Supply Voltage
3.5-Ω Typical Output Resistance
86% Typical Conversion Efficiency at 200 mA
(LM2662) Selectable Oscillator Frequency:
20 kHz/150 kHz
(LM2663) Low Current Shutdown Mode

Specifications

Vin (min) (V)	1.5	Vin (max) (V)	5.5
Vout (min) (V)	-5.5	Vout (max) (V)	11
Iout (max) (A)	0.2	Regulated outputs (#)	1
Switching frequency (min) (kHz)	27.5	Switching frequency (max) (kHz)	75
Iq (typ) (mA)	1.3	Operating temperature range (°C)	-40 to 85
Rating	Catalog	Type	Charge pump
feature-function	Inverting/Step Up/Step Down	feature-process-technology
feature-output-type	Adjustable	feature-output-voltage-v	-1.5 to -5.5
feature-minimum-operating-supply-voltage-v	1.5	feature-maximum-operating-supply-voltage-v	5.5
feature-maximum-supply-current-ma		feature-maximum-power-dissipation-mw	735
feature-output-current-ma	200(Min)	feature-switching-frequency-khz	75(Typ)
feature-efficiency-	96(Typ)	feature-packaging	Tube
feature-rad-hard		feature-pin-count	8
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-eccn-code	EAR99
feature-svhc	Yes	feature-svhc-exceeds-threshold	Yes