DS9746 Datasheet, PDF (3/10 Pages) Richtek Technology Corporation – VBUS OVP with a PTVS Diode

RT9746
Absolute Maximum Ratings (Note 1)
 VIN, OVPFB ---------------------------------------------------------------------------------------------------------------- −0.3V to 28V
 VOUT ------------------------------------------------------------------------------------------------------------------------- −0.3V to 15V
 System Level with Air Discharger, VIN, GND ----------------------------------------------------------------------- ±15kV
 System Level with Contact Discharger, VIN, GND ----------------------------------------------------------------- ±8kV
 All Other Inputs ------------------------------------------------------------------------------------------------------------ −0.3V to 6V
 Power Dissipation, P_D @ T_A = 25°C
WL-CSP-12B 1.92x1.27 (BSC) ---------------------------------------------------------------------------------------- 1.67W
 Package Thermal Resistance (Note 2)
WL-CSP-12B 1.92x1.27 (BSC), θ_JA ---------------------------------------------------------------------------------- 59.6°C/W
 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 Model) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ----------------------------------------------------------------------------------------------------- 200V
CDM (Charged Device Model) ------------------------------------------------------------------------------------------ 2kV
 Surge (VIN) ----------------------------------------------------------------------------------------------------------------- 100V
Recommended Operating Conditions (Note 4)
 USB Supply Input Voltage, VIN ---------------------------------------------------------------------------------------- 3V to 6.7V
 I/O Supply Voltage (V_DDIO) ---------------------------------------------------------------------------------------------- 1.8V to 3.6V
 VOUT Capacitors ---------------------------------------------------------------------------------------------------------- 1μF to 10μF
 Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
 Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 5V, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
DC Characteristics
Input Clamp Voltage
VIN Supply Current
VIN POR Threshold
Only for VOUT
VBUS POR Hysteresis
Only for VOUT
Deglitch Time of POR
Only for VOUT
VIN_CLAMP
IVBUS_S
VPOR
VPOR_Hys
tPOR
IIN = 10mA, TA = 25°C
VBUS = 5V, IOUT = 0mA
Rising
Falling
by EFUSE setting
(16/32/64/128ms)
RT9746
OVP Threshold Voltage VOVP
Rising
RT9746A
RT9746B
RT9746C
Min TYP Max Unit
--
31
--
V
--
130 180 A
2.5
2.7
2.9
V
--
100
--
mV
--
32
--
ms
6.6
6.8
7
11.15 11.5 11.85
V
14 14.5 15
6
6.2 6.4
Copyright ©2016 Richtek Technology Corporation. All rights reserved.
DS9746-00 March 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
3