RT9953 RICHTEK [Richtek Technology Corporation], RT9953 Datasheet - Page 7

• Manufacturer Part Number: RT9953
• Description: 4+1 CH Power Management IC
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Absolute Maximum Ratings
l
l
l
l
l
l
l
l
l
Recommended Operating Conditions
l
l
Electrical Characteristics
(V
DS9953-02 April 2011
Supply Voltage
VDDM Operating Voltage
VDDM Startup Voltage
VDDM Over Voltage Protection
PVDD5 Operating Voltage
Supply Current
Shutdown Supply Current into VDDM
CH1 (Syn Step-Up) : Supply Current
into VDDM
CH2 (Syn Step-Up or Syn
Step-Down) : Supply Current into
VDDM
CH3 (Syn Step-Down) :
Supply Current into VDDM
CH4 (Syn Step-Down) :
Supply Current into VDDM
CH5 (LDO) :
Supply Current into PVDD5
WQFN 24L 4x4,
WQFN 24L 4x4,
Supply Voltage, VDDM, PVDD5 -------------------------------------------------------------------------------------- 0.3V to 7V
Power Switch :
LX1, LX2, LX3, LX4------------------------------------------------------------------------------------------------------- 0.3V to 6.5V
The Other Pins ----------------------------------------------------------------------------------------------------------- 0.3V to 6.5V
Power Dissipation, P
WQFN 24L 4x4 ----------------------------------------------------------------------------------------------------------- 1.852W
Package Thermal Resistance (Note 2)
Junction Temperature --------------------------------------------------------------------------------------------------- 150 C
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------------ 260 C
Storage Temperature Range ------------------------------------------------------------------------------------------- 65 C to 150 C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Junction Temperature Range ------------------------------------------------------------------------------------------ 40 C to 125 C
Ambient Temperature Range ------------------------------------------------------------------------------------------ 40 C to 85 C
DDM
= 3.3V, T
Parameter
A
= 25 C, unless otherwise specified)
JA
JC
----------------------------------------------------------------------------------------------------- 54 C/W
----------------------------------------------------------------------------------------------------- 7 C/W
D
@ T
A
= 25 C
V
V
V
I
I
I
I
I
I
Symbol
OFF
Q1
Q2
Q3
Q4
Q5
DDM
ST
PVDD5
(Note 1)
All EN = 0
Non Switching, EN1 = 3.3V
Non Switching, EN2 = 3.3V
Non Switching, EN3 = 3.3V
Non Switching, EN4 = 3.3V
EN5 = 3.3V, I
Test Conditions
(Note 4)
OUT
= 0mA
Min
2.7
1.5
5.7
2.5
--
--
--
--
--
--
Typ
90
--
--
--
--
--
--
--
--
6
RT9953
To be continued
www.richtek.com
M ax
6.25
800
800
800
800
130
5.5
5.5
0.1
--
Unit
V
V
V
V
A
A
A
A
A
A
7