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| BQ24300 Datasheet, PDF (6/22 Pages) Texas Instruments – OVERVOLTAGE AND OVERCURRENT PROTECTION IC AND Li+ CHARGER FRONT-END PROTECTION IC | |||
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bq24300
bq24304
SLUS764A â AUGUST 2007 â REVISED OCTOBER 2007
www.ti.com
TYPICAL OPERATING PERFORMANCE
Test conditions (unless otherwise noted) for typical operating performance are: VIN = 5 V, CIN = 1 μF, COUT = 1μF,
RBAT = 100 kâ¦, ROUT = 22â¦, TA = 25°C (see Figure 22 - Typical Application Circuit)
VIN
tDGL(PGOOD)
VOUT
IOUT
VIN
IOUT
VOUT
Figure 2. Normal Power-On Showing Soft-Start.
VIN 0 V to 6.0 V, tR = 20μs
12.8V
11.5V
VIN
Figure 3. Power-On with Input Overvoltage.
VIN 0 V to 12.0 V, tR = 50 μs
VIN
VOUT
5.92V
VOUT
5.9V
tBLANK(OVP)
Figure 4. bq24300 OVP Response for Input Step.
VIN 6.0 V to 10.3 V, tR = 2μs. Shows Immunity to Ringing
Figure 5. bq24300 OVP Response for Input Step.
VIN 6.0 V to 11.0 V, tR = 5μs. Shows OVP Blanking Time
6
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): bq24300 bq24304
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