RY9050
Email: support@rychip.com http://www.rychip.com
©RYCHIP Semiconductor Inc.
5.5V 5A ECOT 1MHz Sync Step-Down Regulator
Page 3 / 12
Absolute Maximum Ratings
(1) (2)
Item
Min
Max
Unit
V
IN
voltage
-0.3
6.5
V
EN voltage
-0.3
6.5
V
LX voltage
-0.3
V
IN
+0.5V
V
FB voltage
–0.3
6
V
PG voltage
–0.3
6
V
SS voltage
-0.3
3
V
Power dissipation
(3)
Internally Limited
Operating junction temperature, T
J
-40
150
°C
Storage temperature, T
stg
–55
150
°C
Lead Temperature (Soldering, 10sec.)
260
°C
Note (1): Exceeding these ratings may damage the device.
Note (2): The device is not guaranteed to function outside of its operating conditions.
Note (3): The maximum allowable power dissipation is a function of the maximum junction temperature, T
J(MAX)
,
the junction-to-ambient thermal resistance, R
θJA
, and the ambient temperature, T
A
. The maximum allowable power
dissipation at any ambient temperature is calculated using: P
D (MAX)
= (T
J(MAX)
− T
A
)/R
θJA
. Exceeding the maximum
allowable power dissipation causes excessive die temperature, and the regulator goes into thermal shutdown.
Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at
T
J
=160°C (typical) and disengages at T
J
= 130°C (typical).
ESD Ratings
Item
Description
Value
Unit
V
(ESD-HBM)
Human Body Model (HBM)
ANSI/ESDA/JEDEC JS-001-2014
Classification, Class: 2
±2000
V
V
(ESD-CDM)
Charged Device Mode (CDM)
ANSI/ESDA/JEDEC JS-002-2014
Classification, Class: C0b
±200
V
I
LATCH-UP
JEDEC STANDARD NO.78E APRIL 2016
Temperature Classification,
Class: I
±150
mA
Recommended Operating Conditions
Item
Min
Max
Unit
Operating junction temperature
(1)
–40
125
°C
Operating temperature range
-40
85
°C
Input voltage V
IN
2.7
5.5
V
Output current
0
5
A
Note (1): All limits specified at room temperature (TA = 25°C) unless otherwise specified. All room temperature
limits are 100% production tested. All limits at temperature extremes are ensured through correlation using standard
Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
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