ISL78692 Datasheet, PDF (7/18 Pages) Intersil Corporation – Li-ion/Li-Polymer Battery Charger

ISL78692
Typical Operating Performance The test conditions for the Typical Operating Performance are: V_IN = 5V,
T_A = +25°C, R_IREF = 160kΩ, V_BAT = 3.7V, Unless Otherwise Noted.
4.150
4.140
4.130
4.120
4.110
4.100
4.090
4.080
4.070
4.060
4.050
0
+25°C
+85°C
-40°C
100
200
300
400
500
I_BAT (mA)
4.150
4.140
4.130
4.120
4.110
+85°C
+25°C
-40°C
4.100
4.090
4.080
4.070
4.060
4.050
4.0
4.5
5.0
5.5
6.0
6.5
V_IN (V)
FIGURE 4. VOLTAGE REGULATION vs CHARGE CURRENT
FIGURE 5. NO LOAD VOLTAGE vs TEMPERATURE
0.55
+25°C
0.50
0.45
0.40
-40°C
0.35
+85°C
0.30
0.25
0.20
0.15
0.10
2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
V_BAT (V)
FIGURE 6. CHARGE CURRENT vs OUTPUT VOLTAGE, R_IREF = 158k
0.55
0.50
0.45
+25°C
0.40
0.35
0.30
-40°C
0.25
+85°C
0.20
0.15
0.10
2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3
V_BAT (V)
FIGURE 7. CHARGE CURRENT vs OUTPUT VOLTAGE, R_IREF = 200k
0.6
V_BAT = 4.05V
0.5
0.4
V_BAT = 3.7V
0.3
0.2
V_BAT = 2.9V
0.1
0.0
-40 -20 0.0 20 40 60 80 100 120
JUNCTION TEMP (°C)
FIGURE 8. CHARGE CURRENT vs JUNCTION TEMPERATURE,
R_IREF = 158k
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7
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
-40
V_BAT = 4.05V
V_BAT = 3.7V
V_BAT = 2.9V
-20 0 20 40 60 80 100 120
JUNCTION TEMP (°C)
FIGURE 9. CHARGE CURRENT vs JUNCTION TEMPERATURE,
R_IREF = 200k
FN8692.0
September 10, 2014