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ISL6253HRZ Datasheet(PDF) 6 Page - Renesas Technology Corp

Part # ISL6253HRZ
Description  Highly Integrated Battery Charger for Notebook Computers
Download  22 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL6253HRZ Datasheet(HTML) 6 Page - Renesas Technology Corp

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ISL6253
FN9117 Rev.2.00
Page 6 of 22
August 2004
Typical Operating Performance
Circuit of Figure 18, VDCIN = 20V, 4S2P Li-Ion Battery, TA = 25°C, unless otherwise noted.
FIGURE 1. VDD LOAD REGULATION
FIGURE 2. VDD LINE REGULATION
FIGURE 3. BATTERY CHARGE V-I CHARACTERISTICS
FIGURE 4. LOAD TRANSIENT RESPONSE
FIGURE 5. LINE TRANSIENT RESPONSE
FIGURE 6. ICM ACCURACY vs AC ADAPTER CURRENT
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0
5
10
15
20
25
30
LOAD CURRENT (mA)
VDCIN = 20V
VDD = 5.075V
EN = 0
510
15
20
25
-0.04
-0.03
-0.02
-0.01
0
0.01
INPUT VOLTAGE VDCIN (V)
VDD =5.075V
IVDD = 0mA
0.0
1.0
2.0
3.0
4.0
5.0
12.0
14.0
15.0
16.0
17.0
TIME (MINUTE)
026
50
75
99
13.0
LOAD
CURRENT
5A/DIV
ADAPTER
CURRENT
5A/DIV
BATTERY
VOLTAGE
2V/DIV
CHARGE
CURRENT
2A/DIV
t: 1ms/DIV, CHLIM = ACLIM = VREF
LOAD STEP: 0A TO 4A
CHARGE CURRENT = 3A
AC ADAPTER CURRENT LIMIT = 5A
CHARGE CURRENT: 2.6A
INPUT VOLTAGE STEP: 18.0V TO 25V
LOAD CURRENT: 1A
t: 10ms/DIV
INDUCTOR
CURRENT
1A/DIV
VDCIN
10V/DIV
BATTERY
VOLTAGE
10V/DIV
CURRENT
CHARGE
1A/DIV
EN=0
AC ADAPTER CURRENT (A)
-20
-15
-10
-5
0
5
01
2
3
4
5


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