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| BQ25015 Datasheet, PDF (5/28 Pages) Texas Instruments – SINGLE-CHIP CHARGER AND DC/DC CONVERTER IC FOR PORTABLE APPLICATIONS | |||
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bq25015
bq25017
www.ti.com
SLUS721A â DECEMBER 2006 â REVISED MARCH 2007
ELECTRICAL CHARACTERISTICS (continued)
over operating temperature range (TA = 0°C to 125°C) and recommended supply voltage range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
FPWM â bq25015
VIH(FPWM)
High-level input voltage
VIL(FPWM)
Low-level input voltage
FPWM â bq25017
2.0
0.4
VIH(FPWM)
VIL(FPWM)
IFPWM
ENABLE
High-level input voltage
Low-level input voltage
Input bias current
VEN = GND or VBAT, VFPWM = GND or VBAT
1.3
0.01
V
0.4
0.1 µA
VIH(EN)
High-level input voltage
VIL(EN)
Low-level input voltage
IEN
Input bias current
POWER SWITCH
VEN = GND or VBAT, VFPWM = GND or VBAT
1.3
0.01
V
0.4
0.1 µA
RDS(on)
ILEAK(P)
ILEAK(N)
I(LIM)
OSCILLATOR
Internal P-channel MOSFET
on-resistance
Internal N-channel MOSFET
on-resistance
P-channel leakage current
N-channel leakage current
P-channel current limit
VIN = VGS = 3.6 V
VIN = VGS = 2.5 V
VIN = VGS = 3.6 V
VIN = VGS = 2.5 V
VDS = 6.0 V
VDS = 6.0 V
2.5 V < VBAT < 4.2 V
530
670
430
530
0.1
0.1
380
480
790
930
mâ¦
620
740
1.0
µA
1.0
670 mA
fSW
OUTPUT
Switching frequency
0.65
1.00
1.50 MHz
VREF
VFB
VDC-DC
Reference voltage
Feedback
voltage (2)
Adjustable output
voltage range
Fixed output
voltage
bq25015
bq25015 3.6 V ⤠VBAT⤠4.2 V, 0 mA ⤠IOUT⤠150 mA
bq25015
bq25017 3.6 V ⤠VBAT⤠4.2 V, 0 mA ⤠IOUT⤠150 mA
â3%
0.7
1.746
0.5
+3%
V
VBAT
1.8
1.854
(2) For output voltages ⤠1.2 V a 22-µF output capacitor value is required to achieve a maximum output voltage accuracy of +3% while
operating in power save mode (PFM).
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