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ISL9220A Datasheet(PDF) 8 Page - Intersil Corporation

Part # ISL9220A
Description  Switching Charger for 1-Cell and 2-Cell Li-ion Batteries
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL9220A Datasheet(HTML) 8 Page - Intersil Corporation

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ISL9220, ISL9220A
8
FN6936.1
July 2, 2010
Typical Operating Conditions
FIGURE 1. PWM WAVEFORM IN CC MODE
FIGURE 2. PWM WAVEFORM IN TRICKLE MODE
FIGURE 3. EFFICIENCY vs LOAD 1-CELL (VIN = 5V,
L = 10μH)
FIGURE 4. EFFICIENCY vs LOAD 2-CELL (VIN=12V,
L = 10μH
CH4 = INDUCTOR CURRENT (500mA/DIV)
CH1 = SW(5V/DIV)
CH4 = INDUCTOR CURRENT (500mA/DIV)
CH1 = SW(5V/DIV)
95
90
85
80
75
70
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
2.2
CHARGE CURRENT (A)
VBAT = 3.6V
VBAT = 4V
VBAT = 4V
VBAT = 3V
95
90
85
80
75
70
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
CHARGE CURRENT (A)
VBAT = 8.2V
VBAT = 7V
VBAT = 6V


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