RT9527 RICHTEK [Richtek Technology Corporation], RT9527 Datasheet - Page 4

• Manufacturer Part Number: RT9527
• Description: Single Cell Li-Ion Battery Charger with Adjustable Charging Current for Portable Applications
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9527
Absolute Maximum Ratings
Recommended Operating Conditions
Copyright
www.richtek.com
4
Electrical Characteristics
(V
Supply Input
VIN Under Voltage Lockout
Threshold
VIN Under Voltage Lockout
Hysteresis
VIN − BAT VOS Rising
VIN − BAT VOS Falling
VIN Standby Current
BAT Sleep Leakage Current
Voltage Regulation
Battery Voltage Regulation
Re-Charge Threshold
VIN Power FET On-Resistance R
Current Regulation
VIN Charge Setting Range
Fast-Charge Current Factor
Power Dissipation, P
WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.833W
Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- −0.3V to 28V
CHG, PGOOD -------------------------------------------------------------------------------------------------------------- −0.3V to 28V
Other Pins ------------------------------------------------------------------------------------------------------------------- −0.3V to 6V
Package Thermal Resistance (Note 2)
WDFN-8L 2x2, θ
WDFN-8L 2x2, 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 Model) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ----------------------------------------------------------------------------------------------------- 200V
Supply Input Voltage,
Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
IN
= 5V, V
©
2012 Richtek Technology Corporation. All rights reserved.
Parameter
BAT
= 4V, T
JA
JC
--------------------------------------------------------------------------------------------------------- 120°C/W
--------------------------------------------------------------------------------------------------------- 8.2°C/W
A
D
= 25°C, unless otherwise specified)
VIN ----------------------------------------------------------------------------------------------- 4.4V to 6V
@ T
A
= 25°C
V
ΔV
V
V
I
I
V
ΔV
I
K
K
STANDBY
SLEEP
CHG
Symbol
UVLO
OS_H
OS_L
REG
CHG_F1
CHG_F2
DS(ON)
UVLO
REGCHG
(Note 1)
V
V
V
V
0°C to 85°C
Battery Regulation − Recharge Level
I
I
I
I
I
BAT
CHG_F1
CHG_F1
CHG_F2
CHG_F2
IN
IN
BAT
IN
= 0V to 5V
= 5V to 0V
= 0V
= 450mA
= 4.5V
= K
= 10mA to 50mA
= K
= 50mA to 600mA
Test Conditions
CHG_F1
CHG_F2
(Note 4)
is a registered trademark of Richtek Technology Corporation.
/ R
/ R
ISET
ISET
,
,
4.158
Min
510
570
3.1
10
60
10
--
--
--
--
--
Typ
240
100
100
600
600
3.3
4.2
0.8
50
DS9527-00 May 2012
--
--
1
4.242
Max
200
140
600
690
630
3.5
--
--
2
1
--
Unit
mV
mV
mV
mA
mV
mA
AΩ
μA
Ω
V
V