RT8452GS Richtek USA Inc, RT8452GS Datasheet - Page 6

• Manufacturer Part Number: RT8452GS
• Description: IC PWM CTRLR LED DVR 16SOP
• Manufacturer: Richtek USA Inc

Specifications of RT8452GS

• Internal Driver: No
• Type - Primary: Backlight, General Purpose
• Mounting Type: Surface Mount
• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Frequency: 280kHz ~ 420kHz
• Voltage - Supply: 4.5 V ~ 36 V
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Operating Temperature: -

RT8452
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
www.richtek.com
6
WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------- 1.4W
Overall
Supply Current
Shutdown Current
EN Threshold
Voltage
EN Input Current
Current Sense Amplifier
Input Threshold (V
ISP / ISN Input Current
VC Output Current
VC Threshold for PWM Switch
Off
WQFN-16L 3x3, θ
Supply Input Voltage, V
GBIAS, GATE, PWMDIM, PWMOUT -------------------------------------------------------------------------------- 10V
ISW --------------------------------------------------------------------------------------------------------------------------- 1V
ISP, ISN ---------------------------------------------------------------------------------------------------------------------- 54V
DCTL, ACTL, OVP Pin Voltage ---------------------------------------------------------------------------------------- 8V (Note 6)
EN Pin Voltage ------------------------------------------------------------------------------------------------------------- 20V
Power Dissipation, P
SOP-16 ---------------------------------------------------------------------------------------------------------------------- 1.0W
Package Thermal Resistance (Note 2)
SOP-16, θ
WQFN-16L 3x3, θ
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
Supply Input Voltage Range, V
Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
CC
= 24V, No Load on any Output, T
Parameter
JA
----------------------------------------------------------------------------------------------------------------- 95°C/W
Logic-High
Logic-Low
JA
JC
ISP
------------------------------------------------------------------------------------------------------- 68°C/W
D
------------------------------------------------------------------------------------------------------ 7.5°C/W
− V
@ T
CC
ISN
-----------------------------------------------------------------------------------------------
A
= 25°C
)
CC
I
I
V
V
I
I
VCC
SHDN
ISP
VC
------------------------------------------------------------------------------------- 4.5V to 36V
Symbol
IH
IL
A
= 25°C, unless otherwise specified)
/ I
ISN
(Note 1)
VC ≤ 0.4V (Switching off)
V
V
12V ≤ common mode ≤ 36V
4.5V ≤ V
V
0.5V ≤ V
EN
EN
ISP
≤ 0.7V
≤ 3V
− V
ISN
ISP
C
Test Conditions
≤ 2.4V
= V
= 190mV,
(Note 4)
ISN
≤ 48V
Min
180
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2
DS8452-01
Typ
190
140
±20
0.7
12
6
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38V
To be continued
September 2010
Max
200
7.2
0.5
1.2
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Unit
mA
mV
μA
μA
μA
μA
V
V