11

DS9986-00 May 2011

www.richtek.com

RT9986

Note 1. Stresses listed as the above

“Absolute Maximum Ratings” may cause permanent damage to the device. These are for

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.

Note 2.

51-7 thermal measurement standard. The measurement case position of

Note 3. Devices are ESD sensitive. Handling precaution is recommended.

Note 4. The device is not guaranteed to function outside its operating conditions.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Thermal Protection

Thermal Shutdown

125

160

--

°C

Thermal Shutdown Hysteresis

--

20

--

°C

System Reset

SYSR, FB2 Regulation Threshold

for SYSR to go low

0.709

0.72

0.731

V

SYSR, FB2 Hysteresis

--

40

--

mV

SYSR Rising Delay Time

--

10

--

ms

SYSR Sink Capability

4

--

--

mA

Voltage Detector

Voltage Detector Reset Threshold

(VCHK

RST = L)

VCHK Falling

1.57

1.6

1.63

V

Voltage Detector Reset Hysteresis

--

16

--

mV

Standby Current

--

2

4

μA

RST Rising Delay Time

35

55

75

ms

RST Sink Capability

4

--

--

mA

RTC LDO

Standby Current

--

5

8

μA

Regulated Output Voltage @

RTCPWR

3.1

3.2

3.3

V

Max Output Current (Current Limit)

60

130

200

mA

--

--

1000

--

--

150

Dropout Voltage

--

--

60

mV