BA9736KV-E2 datasheet, PDF - EEWORLD Datasheet

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BA9736KV-E2: DescriptionSwitching Regulator/Controller, Voltage-mode, 770kHz Switching Freq-Max, BIPolar, PQFP64,; CategoryPower/power management The power supply circuit; File Size176KB，10 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BA9736KV-E2 Overview

Switching Regulator/Controller, Voltage-mode, 770kHz Switching Freq-Max, BIPolar, PQFP64,

BA9736KV-E2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	QFP, QFP64,.47SQ,20
Reach Compliance Code	compliant
Is Samacsys	N
control mode	VOLTAGE-MODE
JESD-30 code	S-PQFP-G64
Number of terminals	64
Maximum operating temperature	85 °C
Minimum operating temperature	-25 °C
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Encapsulate equivalent code	QFP64,.47SQ,20
Package shape	SQUARE
Package form	FLATPACK
Certification status	Not Qualified
surface mount	YES
Maximum switching frequency	770 kHz
technology	BIPOLAR
Temperature level	OTHER
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	QUAD
Base Number Matches	1

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Regulator ICs

6-channel switching regulator

controller

BA9736KV

The BA9736KV is a 6-channel controller that includes all of the circuits required to construct a switching regulator. The

circuits on the chip include a triangular-wave generator, a reference voltage circuit, an error amplifier, a PWM compara-

tor, a pseudo-totem-pole driver, and a variety of protection circuits.

FApplications

VCR / cameras, digital still cameras, and other portable

equipment

FFeatures

1) The totem-pole driver can directly drive power tran-

sistors, and the on current can be set to the rating cur-

rent using an external resistor.

2) Miss-operation prevention circuit for low-voltage input.

3) Output cutoff circuit (timer latch type) for overload

protection.

4) Channels 1 and 4 employ FETs, and have totem-pole

drivers that rectify synchronously with a chopper. The

duty offset of the chopper can be adjusted externally.

FAbsolute

maximum ratings (Ta = 25_C)

5) For channel control, by making STB low level, all

channels go off, and by making STB3 low level, chan-

nel 3 can be switched off independently.

6) Soft start is applied to all channels using an external

capacitor, and is synchronized with the rising edges

of STB and STB3.

7) VQFP64 package (0.5mm pitch).

FRecommended

operating conditions (Ta = 25_C)

432

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