RT9953 datasheet(13/19 Pages) RICHTEK

tên linh kiện	RT9953

Giải thích chi tiết về linh kiện	41 CH Power Management IC

PDF	19 Pages

Scroll/Zoom	100%

nhà sản xuất	RICHTEK [Richtek Technology Corporation]

Trang chủ	http://www.richtek.com

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13 / 19 page

RT9953

DS9953-02 April 2011

www.richtek.com

CH1 Load Transient Response

Time (1ms/Div)

ILOAD

(200mA/Div)

VOUT_CH1_ac

(100mV/Div)

VDDM = 5V, VBAT = 3V, VOUT_CH1 = 5V,

IOUT = 100mA to 400mA, L1 = 2.2

μH, C2 = 10μFx2

CH2 Step-Down Load Transient Response

Time (1ms/Div)

ILOAD

(200mA/Div)

VOUT_CH2_ac

(50mV/Div)

VDDM = 5V, VBAT = 3.7V, VOUT_CH2 = 1.2V,

IOUT = 100mA to 400mA, L2 = 2.2

μH, C5 = 10μF

CH2 Step-Up Load Transient Response

Time (1ms/Div)

ILOAD

(200mA/Div)

VOUT_CH2_ac

(100mV/Div)

VDDM = 3V, VBAT = 1.8V, VOUT_CH2 = 3.3V,

IOUT = 100mA to 400mA, L2 = 2.2

μH, C5 = 10μFx2

CH3 Load Transient Response

Time (1ms/Div)

ILOAD

(200mA/Div)

VOUT_CH3_ac

(50mV/Div)

VDDM = 5V, VBAT = 3.7V, VOUT_CH3 = 1.8V,

IOUT = 50mA to 300mA, L3 = 4.7

μH, C8 = 10μF

CH4 Load Transient Response

Time (1ms/Div)

ILOAD

(200mA/Div)

VOUT_CH4_ac

(50mV/Div)

VDDM = 5V, VBAT = 3.7V, VOUT_CH4 = 3.3V,

IOUT = 50mA to 300mA, L4 = 4.7

μH, C11 = 10μF

Frequency vs. Temperature

850

870

890

910

930

950

970

990

1010

1030

1050

-40 -30 -20 -10 0 1020 304050 6070 8090

Temperature (°C)

VDDM = 3V, VBAT = 3V

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