RT9232A datasheet(6/14 Pages) RICHTEK

部件名	RT9232A

功能描述	Programmable Frequency Synchronous Buck PWM Controller

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制造商	RICHTEK [Richtek Technology Corporation]

网页	http://www.richtek.com

标志

6 / 14 page

RT9232A

6

DS9232A-02 March 2007

www.richtek.com

Typical Operating Characteristics

RRT vs. Oscillator Frequency

1

10

100

1000

0

100

200

300

400

500

600

700

800

Frequency (kHz)

Pull high to VCC

Pull down to GND

Efficient vs. Output Current

50

60

70

80

90

100

0

5

10

15

20

25

30

Output Current (A)

VIN = 3.3V

VIN = 5V

VIN = 12V

Time (1us/Div)

UGATE

Bootstrap Wave Form

PHASE

LGATE

VOUT

(5V/Div)

(500mV/Div)

Dead Time

Time (25ns/Div)

UGATE

LGATE

(5V/Div)

Loading = 0A

VGS

PHASE

Dead Time

Time (25ns/Div)

Loading = 0A

LGATE

UGATE

(5V/Div)

VGS

PHASE

UVP

Time (20ms/Div)

UGATE (10V/Div)

FB (500mV/Div)

SS (5V/Div)

VCC = EN (2V/Div)

类似零件编号 - RT9232A

制造商	部件名	数据表	功能描述
Richtek Technology Corp...	RT9232	217Kb / 8P	PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER WITH 1.5V/2.5V DUAL LOW DROPOUT LINEAR REGULATOR CONTROLLER AND REFERENCE OUTPUT
	RT9232	387Kb / 14P	Programmable Frequency Synchronous Buck PWM Controller
	RT9232-CS	217Kb / 8P	PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER WITH 1.5V/2.5V DUAL LOW DROPOUT LINEAR REGULATOR CONTROLLER AND REFERENCE OUTPUT
	RT9232-MS	217Kb / 8P	PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER WITH 1.5V/2.5V DUAL LOW DROPOUT LINEAR REGULATOR CONTROLLER AND REFERENCE OUTPUT
	RT9232B	304Kb / 14P	Programmable Frequency Synchronous Buck PWM Controller

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