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LMC7660IM/NOPB

1.5-V to 10-V switched capacitor voltage converter

Manufacturer: Texas Instruments, Inc
Mfr.Part #: LMC7660IM/NOPB
Datasheet: LMC7660IM/NOPB Datasheet (PDF)
Package/Case: SOP8
Product Type: Power Management ICs
RoHS:
Lifecycle: Active
EDA/CAD Models: Request Free CAD Models for LMC7660IM/NOPB

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LMC7660IM/NOPB General Description

The LMC7660 is a CMOS voltage converter capable of converting a positive voltage in the range of +1.5V to +10V to the corresponding negative voltage of −1.5V to −10V. The LMC7660 is a pin-for-pin replacement for the industry-standard 7660. The converter features: operation over full temperature and voltage range without need for an external diode, low quiescent current, and high power efficiency.

The LMC7660 uses its built-in oscillator to switch 4 power MOS switches and charge two inexpensive electrolytic capacitors.

Key Features

Operation Over Full Temperature and Voltage Range without an External Diode
Low Supply Current, 200 μA Max
Pin-for-pin Replacement for the 7660
Wide Operating Range 1.5V to 10V
97% Voltage Conversion Efficiency
95% Power Conversion Efficiency
Easy to Use, Only 2 External Components
Extended Temperature Range

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Specifications

Vin (min) (V)	1.5	Vin (max) (V)	10
Vout (min) (V)	-1.5	Vout (max) (V)	-10
Iout (max) (A)	0.05	Regulated outputs (#)	1
Switching frequency (min) (kHz)	10	Iq (typ) (mA)	0.12
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 -10	feature-minimum-operating-supply-voltage-v	1.5
feature-maximum-operating-supply-voltage-v	10	feature-maximum-supply-current-ma	0.2
feature-maximum-power-dissipation-mw	600	feature-output-current-ma	50(Max)
feature-switching-frequency-khz	10(Typ)	feature-efficiency-	97(Typ)
feature-packaging	Tube	feature-rad-hard
feature-pin-count	8	feature-supplier-package	SOIC
feature-standard-package-name	SO	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	No
feature-svhc-exceeds-threshold	No

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Ratings and Reviews

D**n 04/21/2024

Purchase satisfied. With the photo and description is the same. Assembled on lm2596s + ss34. Such charges load up to 1a, or higher begins to significantly warm the diode. But it all depends on the input voltage and current at the output, and the heating of the board (check the temperature not only of the chip, but also the throttle and the output diode ss34). The minimum voltage at the output i had 1,39 v, less is not done. The maximum output will be 0.3-0.5 v lower than the input. I use these modules from 19 v (bp laptop) and from 12-14 v in the car. On the input and output sometimes i add a fuse to 1a-2a, if there is a risk that something is accidentally short. I use for power led tapes. The goods were sent the next day. Came in an antistatic bag, in a puffy yellow envelope. The parcel was tracked all the way, and drove 9 days. Good. Delivery 9 days.

J**s 05/29/2020

Very quick delivery. Thank you.