RT9259AGS Richtek USA Inc, RT9259AGS Datasheet - Page 5

• Manufacturer Part Number: RT9259AGS
• Description: IC CTRLR PWM SYNC BUCK 14SOP
• Manufacturer: Richtek USA Inc

Specifications of RT9259AGS

• Topology: Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
• Function: Any Function
• Number Of Outputs: 2
• Frequency - Switching: 300kHz
• Voltage/current - Output 1: Controller
• Voltage/current - Output 2: Controller
• W/led Driver: No
• W/supervisor: No
• W/sequencer: No
• Voltage - Supply: 10.8 V ~ 13.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
DS9259A-02 March 2007
Supply Input
Power On Reset
Power Supply Voltage
Power On Reset Hysteresis
Power Supply Current
Oscillator
Free Running Frequency
Ramp Amplitude
DC -------------------------------------------------------------------------------------------------------------
DC -------------------------------------------------------------------------------------------------------------
Supply Voltage, V
PHASE to GND
< 200ns ------------------------------------------------------------------------------------------------------
BOOT to PHASE ------------------------------------------------------------------------------------------ 15V
BOOT to GND
< 200ns ------------------------------------------------------------------------------------------------------
UGATE ------------------------------------------------------------------------------------------------------- V
LGATE ------------------------------------------------------------------------------------------------------- GND − 0.3V to V
DRV ---------------------------------------------------------------------------------------------------------- GND − 0.3V to V
Input, Output or I/O Voltage ----------------------------------------------------------------------------- GND − 0.3V to 7V
Power Dissipation, P
SOP-14 ------------------------------------------------------------------------------------------------------ 1.000W
Package Thermal Resistance (Note 2)
SOP-14, θ
Junction Temperature ------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------- 260°C
Storage Temperature Range ----------------------------------------------------------------------------
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------- 200V
Supply Voltage, V
Junction Temperature Range ----------------------------------------------------------------------------
Ambient Temperature Range ----------------------------------------------------------------------------
CC
= 12V, T
Parameter
JA
A
------------------------------------------------------------------------------------------------- 100°C/W
= 25°C unless otherwise specified)
CC
CC
D
-------------------------------------------------------------------------------------- 15V
-------------------------------------------------------------------------------------- 12V ± 10%
@ T
A
= 25°C
V
V
V
I
f
VCC
OSC
Symbol
CC
VCCRTH
V CCHYS
(Note 1)
R
V
UGATE, LGATE Open
RT
CC
= 110kΩ
Rising
Test Conditions
(Note 4)
Min
250
8.8
0.4
--
--
--
−
−
−
−
−
−
−
5V to 15V
10V to 30V
0.3V to V
0.3V to 42V
PHASE
40°C to 150°C
40°C to 125°C
40°C to 85°C
T yp
0.78
300
9.6
− 0.3V to V
1.6
12
3
RT9259A
CC
To be continued
www.richtek.com
+15V
Max
10.4
350
1.2
15
--
--
CC
CC
BOOT
+ 0.3V
+ 0.3V
+ 0.3V
Unit
kHz
mA
V
V
V
V
5