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GM7001 Datasheet Low-voltage Switching Regulator Controller

Manufacturer: Gamma Microelectronics

Overview: GM7001 .. BIPOLAR LOW VOLTAGE SWITCHING REGULATOR CONTROLLER Supply voltage operating range from 1.8 to 15 V Low current consumption: 5.5 mA (typical) operating, 1 µA or less stand-by High speed operation up to 1 MHz Error amplifier gain is set in the chip to minimize peripheral ponents Soft-start circuit on-chip Timer-latch short-circuit detection circuit (SCP) on-chip Totem-pole output with adjustable on/off current for NPN transistors Stand-by function SOP-8, SOL-8 and SSOP-8 packages available The GM7001 is a single-channel low-voltage switching regulator control IC with soft-start function and short-circuit detection, capable of 1MHz operation. With its low minimum operating voltage of 1.8V and minimal current consumption, the GM7001 is ideal for power supplies in battery-operated equipment. PIN ASSIGNMENT -IN SCP VCC BR/CTL 1 2 3 4 8 7 6 5 FB OSC GND OUT (TOP VIEW) PIN No.

Datasheet Details

Part number GM7001
Manufacturer Gamma Microelectronics
File Size 176.68 KB
Description Low-voltage Switching Regulator Controller
Datasheet GM7001_GammaMicroelectronics.pdf

General Description

Error amplifier inverting input pin Soft start and SCP setting capacitor connection pin Power supply pin Output current setting and control pin Totem-pole type output pin Ground pin Capacitor and resistor connection pin for setting the oscillation frequency Error amplifier output pin Revision 1, May 2002 1 .gammamicro.

GM7001 ..

BIPOLAR LOW VOLTAGE SWITCHING REGULATOR CONTROLLER BLOCK DIAGRAM VCC 3 OSC 7 Reference 0.6 V– Voltage Supply 0.1 V– Sawtooth Wave Oscillator 5 OUT 30 kΩ 1.25 V 0.1 V 36 kΩ -IN 1 + 0.5 V Error Amp.

Key Features

  • PWM comparator The voltage comparator has one inverting and three non-inverting inputs. The comparator is a voltage/pulse-width converter that controls the ON time of the output pulse depending on the input voltage. The output level is high (H) when the sawtooth wave is lower than the error amplifier output voltage, soft-start setting voltage, and idle period setting voltage. (5) Output circuit The totem.

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