FAN54300 Datasheet, PDF (10/43 Pages) Fairchild Semiconductor – USB-Compliant, Dual-Power Input, Single-Cell, Li-Ion Switching Charger with USB-OTG Boost Regulator

Electrical Specifications (Continued)
Unless otherwise specified: circuit of Figure 1, recommended operating temperature range for TJ and TA, VBUS or VIN = 5.0 V,
HZ1, HZ2, OPA_MODE = 0, (Charger Mode). SCL, SDA, OTG = 0 or 1.8 V. Typical values are for TJ = 25°C.
Symbol
Parameter
Conditions
Sleep Comparator
VSLP
Sleep Mode Entry Threshold,
VBUS – VBAT or VIN – VBAT
Sleep Mode Exit Hysteresis
VSLP_EXIT _{Deglitch Time for VBUS Rising}
Above VSLP + VSLP_EXIT
Power Switches (see Figure 3)
2.3 V < VBAT < VOREG, VPWRIN Falling
2.3 V < VBAT < VOREG
Rising Voltage
Q3 On Resistance
(VBUS to PMID1)
IBUS(LIMIT) > 500 mA
Q1 On Resistance
(PMID1 to SW1)
RDS(ON)
Q2 On Resistance
(SW1 to GND)
Q4 On Resistance
(VIN to PMID2)
Q5 On Resistance
(PMID2 to SW2)
Q6 On Resistance
(SW2 to GND)
Charger PWM Modulator
fSW
DMAX
DMIN
ISYNC
Oscillator Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Synchronous to Non-
Synchronous Current
Threshold⁽³⁾
Low-Side MOSFET Cycle-by-Cycle
Current Limit
Boost Mode Operation (OPA_MODE = 1, HZ1 = 0)
VBOOST Boost Output Voltage at VBUS
IBAT(BOOST) Boost Mode Quiescent Current
ILIMPK(BST) Q2-Peak Current Limit
Maximum Battery Input for
VBAT(MAX) ^{Boost Operation}
Hysteresis
UVLOBST
Minimum Battery Voltage for
Boost Operation
VBUS, VIN Load Resistance
2.5 V < VBAT < 4.5 V, 0-200 mA Load
2.7 V < VBAT < 4.5 V, 0-300 mA Load
PFM Mode, VIN = 3.6 V, IOUT = 0
VBAT Rising
VBAT Falling
While Boost Active
To Start Boost Regulator
RVBUS VBUS to GND Resistance
RVIN VIN to GND Resistance
Normal Operation
VBUS Validation
Normal Operation
VIN Validation
Min. Typ. Max. Units
0
90
160
mV
40
mV
30
ms
210
300
110
225
130
225
mΩ
160
225
110
225
190
350
2.7
3.0
3.3
MHz
100
%
0
%
-120
mA
4.80
5.05 5.17
V
4.77
5.05 5.17
300
400
A
1160 1380 1550 mA
4.7
V
125
mV
2.42
V
2.58 2.70
500
1000 1500

50
110
175

500
1000 1500

50
110
175

Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FAN54300 • Rev. 1.0.4
10
www.fairchildsemi.com