Datasheet

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bq25015
bq25017
SLUS721A – DECEMBER 2006 – REVISED MARCH 2007
ELECTRICAL CHARACTERISTICS (continued)
over operating temperature range (T
A
= 0°C to 125°C) and recommended supply voltage range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
FPWM – bq25015
V
IH(FPWM)
High-level input voltage 2.0
V
IL(FPWM)
Low-level input voltage 0.4
FPWM – bq25017
V
IH(FPWM)
High-level input voltage 1.3
V
V
IL(FPWM)
Low-level input voltage 0.4
I
FPWM
Input bias current V
EN
= GND or V
BAT
, V
FPWM
= GND or V
BAT
0.01 0.1 µA
ENABLE
V
IH(EN)
High-level input voltage 1.3
V
V
IL(EN)
Low-level input voltage 0.4
I
EN
Input bias current V
EN
= GND or V
BAT
, V
FPWM
= GND or V
BAT
0.01 0.1 µA
POWER SWITCH
V
IN
= V
GS
= 3.6 V 530 790
Internal P-channel MOSFET
on-resistance
V
IN
= V
GS
= 2.5 V 670 930
R
DS(on)
m Ω
V
IN
= V
GS
= 3.6 V 430 620
Internal N-channel MOSFET
on-resistance
V
IN
= V
GS
= 2.5 V 530 740
I
LEAK(P)
P-channel leakage current V
DS
= 6.0 V 0.1 1.0
µA
I
LEAK(N)
N-channel leakage current V
DS
= 6.0 V 0.1 1.0
I
(LIM)
P-channel current limit 2.5 V < V
BAT
< 4.2 V 380 480 670 mA
OSCILLATOR
f
SW
Switching frequency 0.65 1.00 1.50 MHz
OUTPUT
V
REF
Reference voltage bq25015 0.5
Feedback
V
FB
bq25015 3.6 V ≤ V
BAT
≤ 4.2 V, 0 mA ≤ I
OUT
≤ 150 mA –3% +3%
voltage
(2)
V
Adjustable output
bq25015 0.7 V
BAT
voltage range
V
DC-DC
Fixed output
bq25017 3.6 V ≤ V
BAT
≤ 4.2 V, 0 mA ≤ I
OUT
≤ 150 mA 1.746 1.8 1.854
voltage
(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).
5
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