Datasheet

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bq25010
bq25011
bq25012
SLUS615B – DECEMBER 2004 – REVISED JULY 2007
ELECTRICAL CHARACTERISTICS (continued)
over junction temperature range (0 ° C ≤ T
J
≤ 125 ° C) and the recommended supply voltage range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC-DC INPUT/OUTPUT CURRENT
Input power absent V
(LOWV)
4.2
V
(BAT)
Input voltage range
Input power present V
(UVLO)
4.2 V
UVLO
Undervoltage lockout 2
I
OUT_L
Maximum output current 150 mA
FPWM – bq25010
V
IH(FPWM)
High-level input voltage 2.0
V
IL(FPWM)
Low-level input voltage 0.4
FPWM bq25011 and bq25012
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 μ A
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 μ A
POWER SWITCH
V
IN
= V
GS
= 3.6 V 0.97 1.52
Internal P-channel MOSFET
on-resistance
V
IN
= V
GS
= 2.5 V 1.27 2.00
R
DS(on)
Ω
V
IN
= V
GS
= 3.6 V 0.68 1.19
Internal N-channel MOSFET
on-resistance
V
IN
= V
GS
= 2.5 V 0.86 1.45
I
lgk(P)
P-channel leakage current V
DS
= 6 V 0.1 1
μ A
I
lgk(N)
N-channel leakage current V
DS
= 6 V 0.1 1
I
(LIM)
P-channel current limit 2.5 V < V
BAT
< 4.2 V 190 230 350 mA
OSCILLATOR
f
SW
Switching frequency 0.65 1 1.5 MHz
OUTPUT
V
REF
Reference voltage bq25010 0.5
Feedback 3.6 V ≤ V
BAT
≤ 4.2 V, 0 mA ≤ I
OUT
≤ 150
V
FB
bq25010 – 3% +3%
voltage
(2)
mA
Adjustable output
bq25010 0.7 V
BAT
voltage range V
3.6 V ≤ V
BAT
≤ 4.2 V, 0 mA ≤ I
OUT
≤ 150
V
DC-DC
bq25011 3.2 3.3 3.4
mA
Fixed output
voltage
3.6 V ≤ V
BAT
≤ 4.2 V, 0 mA ≤ I
OUT
≤ 150
bq25012 1.746 1.8 1.854
mA
(2) For output voltages ≤ 1.2 V a 22- μ F 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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