RT9986 RICHTEK [Richtek Technology Corporation], RT9986 Datasheet - Page 11

• Manufacturer Part Number: RT9986
• Description: 7-CH DC/DC Converter for DSC
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
DS9986-00 May 2011
Thermal Protection
Thermal Shutdown
Thermal Shutdown Hysteresis
System Reset
SYSR, FB2 Regulation Threshold
SYSR, FB2 Hysteresis
SYSR Rising Delay Time
SYSR Sink Capability
Voltage Detector
Voltage Detector Reset Threshold
(VCHK
Voltage Detector Reset Hysteresis
Standby Current
RST Rising Delay Time
RST Sink Capability
RTC LDO
Standby Current
Regulated Output Voltage @
RTCPWR
Max Output Current (Current Limit)
Dropout Voltage
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may
remain possibility to affect device reliability.
51-7 thermal measurement standard. The measurement case position of θ
JA
<
is measured in natural convection at T
Threshold
Parameter
RST = L)
T
ΔT
SD
Symbol
SD
A
= 25°C on a high-effective thermal conductivity four-layer test board of JEDEC
for SYSR to go low
V
VCHK Falling
V
V
V
I
V
I
I
I
OUT
OUT
OUT
OUT
SYSR
VCHK
RST
DDM
DDM
= 0mA
= 50mA
= 10mA
= 3mA
= 0.5V, V
= 4.2V
= 4.2V
Test Conditions
= 0.5V
= 3V
VCHK
= 1.5V
JC
is on the exposed pad of the package.
0.709
1.57
Min
125
3.1
35
60
--
--
--
--
--
--
--
--
--
4
4
0.72
Typ
160
130
1.6
3.2
20
40
10
16
55
--
--
--
--
--
2
5
RT9986
www.richtek.com
0.731
1000
Max
1.63
200
150
3.3
75
60
--
--
--
--
--
--
--
4
8
Unit
mV
mA
mV
mA
mA
mV
ms
ms
μA
μA
°C
°C
V
V
V
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