RT9511 RICHTEK [Richtek Technology Corporation], RT9511 Datasheet - Page 6

• Manufacturer Part Number: RT9511
• Description: Fully Integrated Battery Charger with Two Step-Down Converters
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9511
Absolute Maximum Ratings
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Recommended Operating Conditions
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Electrical Characteristics
(V
www.richtek.com
6
Supply Input
ACIN UVP Threshold Voltage
USB UVP Threshold Voltage
ACIN/USB UVP Hysteresis
ACIN/USB Standby Current
ACIN/USB Shutdown Current
BATT Sleep Leakage Current
Voltage Regulation
BATT Regulation Voltage
ACIN MOSFET Dropout
USB MOSFET Dropout
Current Regulation
ISETA Set Voltage
(Fast Charge Phase)
Supply Input Voltage, ACIN -------------------------------------------------------------------------------------------- 0.3V to 18V
Supply Input Voltage, USB -------------------------------------------------------------------------------------------- 0.3V to 7V
Supply Input Voltage, EN1, EN2, FB1, FB2 ----------------------------------------------------------------------- 0.3V to 6V
VDD1, VDD2 -------------------------------------------------------------------------------------------------------------- 6.5V
Power Dissipation, P
WQFN-24L 4x4 ----------------------------------------------------------------------------------------------------------- 1.923W
Package Thermal Resistance (Note 2)
WQFN-24L 4x4,
WQFN-24L 4x4,
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
Supply Input Voltage Range, ACIN ----------------------------------------------------------------------------------- 4.5V to 12V
Supply Input Voltage Range, USB ----------------------------------------------------------------------------------- 4.1V to 6V
Supply Input Voltage Range, VDD1, VDD2 ------------------------------------------------------------------------- 2.5V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------------ 25 C to 125 C
Ambient Temperature Range ------------------------------------------------------------------------------------------ 25 C to 85 C
ACIN
= V
USB
Parameter
= 5V, T
JA
JC
A
= 25 C, unless otherwise specification)
----------------------------------------------------------------------------------------------------- 52 C/W
----------------------------------------------------------------------------------------------------- 7 C/W
D
@ T
A
= 25 C
V
V
V
I
I
I
V
V
STBY
SHDN
SLEEP
U V_ACIN
U V_USB
U V_HYS
R EG
ISETA_FCHG
Symbol
(Note 1)
Rising
V
V
V
V
V
= 4.5V
V
I
V
V
BATT
BATT
BATT
BATT
EN
ACIN
BATT
BATT
BATT
= High
= 60mA
= 4V, V
= 3V, Rising
= 3V
= 3.5V
Test Conditions
= 4.5V
= 4V, I
= 4V, I
(Note 4)
CHG
SET_ USB
USB
= 4V, V
= 1A
= High
BATT
4.158
2.43
Min
400
500
4.1
3.7
40
--
--
--
2.48
Typ
100
300
500
650
4.3
3.9
4.2
50
5
DS9511-01 April 2011
To be continued
4.242
Max
2.53
140
500
100
620
800
4.5
4.1
15
Unit
mV
mV
mV
V
V
V
V
A
A
A