RT9502 RICHTEK [Richtek Technology Corporation], RT9502 Datasheet - Page 5

• Manufacturer Part Number: RT9502
• Description: Linear Single Cell Li-Ion Battery Charger IC with Dual Input Supply
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Absolute Maximum Ratings
Recommended Operating Conditions
(ACIN = USB = 5V, T
DS9502-02 April 2011
Electrical Characteristics
Supply Input
ACIN/USB UVP Rising Threshold
Voltage
ACIN/USB UVP Hysteresis
ACIN/USB Standby Current
ACIN/USB Shutdown Current
ACIN/USB UVP Current
BATT Sleep Leakage Current
Voltage Regulation
BATT Regulation Voltage
Regulation Voltage Accuracy
ACIN MOSFET
USB MOSFET
Current Regulation
ISETA Set Voltage
(Fast Charge Phase)
Full Charge setting range
ACIN Input Voltage -------------------------------------------------------------------------------------------------------- −0.3V to 18V
USB Input Voltage --------------------------------------------------------------------------------------------------------- −0.3V to 7V
EN Input Voltage ----------------------------------------------------------------------------------------------------------- −0.3V to 6V
Output Current ------------------------------------------------------------------------------------------------------------- 1.2A
Power Dissipation, P
WDFN-10L 3x3 ------------------------------------------------------------------------------------------------------------- 0.926W
Package Thermal Resistance (Note 2)
WDFN-10L 3x3, θ
WDFN-10L 3x3, θ
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
Junction Temperature ---------------------------------------------------------------------------------------------------- 150°C
Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
ACIN, USB Input Voltage Range --------------------------------------------------------------------------------------- 4.5V to 6V
Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
Parameter
JA
A
JC
= 27°C, Unless Otherwise specification)
------------------------------------------------------------------------------------------------------- 108°C/W
------------------------------------------------------------------------------------------------------- 8.2°C/W
D
@ T
A
= 25°C
N
I
I
I
V
I
V
V
I
R
R
V
STBY
SHDN
UVP
SLEEP
CHG_ACIN
UV_HIGH
UV_LOW
REG
ISETA
DS(ON)_ACI
DS(ON)_USB
Symbol
(Note 1)
V
V
V
V
V
V
V
I
I
I
BATT
BATT
BATT
BATT
EN
ACIN
BATT
ACIN
BATT
BATT
= High
Test Conditions
= 60mA
= 500mA
= 4V, V
= 3V
= 4V, V
= 4.5V
= 500mA
= 3.5V
= 4.5V
(Note 4)
USB
USB
= 4V
= 4V,
4.158
2.42
Min
100
50
−1
--
--
--
--
--
--
--
1200
Typ
300
600
150
4.4
4.2
2.5
80
50
--
--
2
RT9502
To be continued
www.richtek.com
4.242
1200
Max
2.55
120
100
500
250
4.5
+1
--
--
5
Units
mΩ
mΩ
mV
mA
uA
uA
uA
uA
%
V
V
V
5