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GM7001 fiches techniques PDF

Gamma Microelectronics - Low-voltage Switching Regulator Controller

Numéro de référence GM7001
Description Low-voltage Switching Regulator Controller
Fabricant Gamma Microelectronics 
Logo Gamma Microelectronics 





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GM7001 fiche technique
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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 components
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 FB
7 OSC
6 GND
5 OUT
(TOP VIEW)
PIN No. SYMBOL
1 -IN
2 SCP
3 VCC
4 BR/CTL
5 OUT
6 GND
7 OSC
8 FB
I/O DESCRIPTION
I Error amplifier inverting input pin
- Soft start and SCP setting capacitor connection pin
- Power supply pin
I Output current setting and control pin
O Totem-pole type output pin
- Ground pin
- Capacitor and resistor connection pin for setting the oscillation frequency
O Error amplifier output pin
Revision 1, May 2002
1 www.gammamicro.com

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