BBK PV420S, Service Manual

Page: 270 / 299

SLUS530D − SEPTEMBER 2002 − REVISED SEPTEMBER 2003
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3
ELECTRICAL CHARACTERISTICS
over 0 C
≤
TJ
≤
125 C and recommended supply voltage, unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CURRENT
VCC current, ICC(VCC) VCC > VCC(min), STATx pins in OFF state 0 3.5 5 mA
Sleep current, ICC(SLP)
Sum of currents into OUT and BAT pins,
VCC < V(SLP)
5
µ
A
Input bias current on BAT pin, IIB(BAT) 500 nA
Input current on TS pin, IIB(TS) VI(TS)
≤
10 V 1
Input current on CE pin, IIB(CE) 1
µ
A
Input bias current on TTE pin, IIB(TTE) 1
µ
A
VOLTAGE REGULATION VO(REG) + V(DO−MAX)
≤
VCC , I(TERM) < IO(OUT)
≤
1 A
Output voltage, VO(REG) 4.20 V
Voltage regulation accuracy
TA = 25 C −0.5% 0.5%
Voltage regulation accuracy
−1% 1%
Dropout voltage (V(IN) − V(OUT)), V(DO) VO(REG) + V(DO−MAX))
≤
VCC, IO(OUT) = 1A 650 790 mV
CURRENT REGULATION
Output current range, IO(OUT) (1)
VCC
≥
4.5 V, VIN
≥
4.5 V, VI(BAT) > V(LOWV),
VIN − VI(BAT) > V(DO−MAX)
100 1000 mA
Output current set voltage, V(SET)
Voltage on ISET pin, VCC
≥
4.5 V, VIN
≥
4.5 V,
VI(BAT) > V(LOWV), VIN − VI(BAT) > V(DO−MAX)
VO(REG) = 4.2 V 2.45 2.50 2.55 V
50 mA
≤
IO(OUT)
≤
1000 mA, VI(ISET)
≥
V(TAPER) 315 335 355
Output current set factor, K(SET)
10 mA
≤
IO(OUT) < 50 mA, VI(ISET)
≥
V(TAPER) 315 372 430
Output current set factor, K(SET)
10 mA
≤
IO(OUT) < 50 mA, VI(ISET) < V(TAPER) 350 1000
PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION
Precharge to fast-charge transition
threshold, V(LOWV)
Voltage on BAT pin 2.80 2.95 3.10
V
Precharge to short-circuit transition
threshold, V(SC)
Voltage on BAT pin 1.0 1.4 1.8
V
Precharge range, IO(PRECHG)(2) V(SC) < VI(BAT) < V(LOWV), t < t(PRECHG) 10 100
mV
Precharge set voltage, V(PRECHG) Voltage on ISET pin, V(SC) < VI(BAT) < V(LOWV) 225 250 280
mV
Short circuit current, ISC V(SC) > VI(BAT) 660 900 1200
µ
A
CHARGE TAPER AND TERMINATION DETECTION
Charge taper detection range, I(TAPER)(3) VI(BAT) > V(RCH), t < t(TAPER) 10 100 mA
Charge taper detection set voltage,
V(TAPER) Voltage on ISET pin, VI(BAT) > V(RCH),
t < t(TAPER), VI(BAT) = VO(REG)
225 250 275
mV
Charge termination detection set voltage,
V(TERM) Voltage on ISET pin, VI(BAT) = VO(REG),
VI(BAT) > V(RCH), I(TERM) = K(SET)
×
V(TERM) /R(SET)
5.0 17.5 30.0
mV
TEMPERATURE COMPARATOR
Lower threshold, V(TS1) Voltage on TS pin 29 30 31
Upper threshold, V(TS2) Voltage on TS pin 60 61 62
%VCC
Hysteresis 1
%VCC
(1)
I
O(OUT)
+
ǒ
K
(SET)
V
(SET)
Ǔ
R
SET
(2)
I
O(PRECHG)
+
ǒ
K
(SET)
V
(PRECHG)
Ǔ
R
SET
(3)
I
O(TAPER)
+
ǒ
K
(SET)
V
(TAPER)
Ǔ
R
SET