STM6824LWY6E datasheet, PDF - EEWORLD Datasheet

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STM6824LWY6E: Description1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5; CategoryPower/power management The power supply circuit; File Size460KB，31 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance; Related ProductsFound1parts with similar functions to STM6824LWY6E

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STM6824LWY6E Overview

1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5

STM6824LWY6E Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	STMicroelectronics
Parts packaging code	SOT-23
package instruction	LSSOP, TSOP5/6,.11,37
Contacts	5
Reach Compliance Code	compli
ECCN code	EAR99
Other features	RESET THRESHOLD VOLTAGE IS 4.63V
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	R-PDSO-G5
JESD-609 code	e3
length	2.9 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	5
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Encapsulate equivalent code	TSOP5/6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	1/5.5 V
Certification status	Not Qualified
Maximum seat height	1.45 mm
Maximum supply current (Isup)	0.017 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	1.2 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	1.6 mm

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STM632x, STM682x

5-pin supervisor with watchdog timer and push-button reset

Datasheet

production data

Features

•

Precision V

monitoring of 5, 3.3, 3, or 2.5 V

power supplies

•

RST outputs (active low, push-pull or open

drain)

•

RST outputs (active high, push-pull)

•

Reset pulse width of 1.4 ms, 200 ms and

240 ms (typ.)

•

Watchdog timeout period of 1.6 s (typ.)

•

Manual reset input (MR)

SOT23-5 (WY)

•

Low supply current - 3 µA (typ.)

•

Guaranteed RST (RST) assertion down to

= 1.0 V

•

Operating temperature: –40 to +85 °C

(industrial grade)

•

RoHS compliance

Lead-free components are compliant with the

RoHS directive

Table 1. Device summary

Reset output

Part number

Watchdog

input

✔

Manual

reset input

Active low

(push-pull)

Active high

(push-pull)

✔

Active low

(open drain)

✔

STM632x

STM6321

STM6322

STM6821

STM6822

STM682x

STM6823

STM6824

STM6825

June 2016

This is information on a product in full production.

DocID11110 Rev 13

1/31

www.st.com

Contents

STM632x, STM682x

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1.1

1.1.2

1.1.3

1.1.4

1.1.5

Active low, push-pull reset output (RST) - 6823/6824/6825 . . . . . . . . . . 7

Active low, open drain reset output (RST) - STM6321/6322/6822 . . . . . 7

Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Watchdog input (WDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Active high reset output (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1

2.2

2.3

2.4

2.5

Reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Open drain RST output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Push-button reset input (STM6322/6821/6822/6823/6825) . . . . . . . . . . . .11

Watchdog input (STM6321/6821/6822/6823/6824) . . . . . . . . . . . . . . . . . .11

Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

2.5.1

2.5.2

Watchdog input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Ensuring a valid reset output down to V

= 0 V . . . . . . . . . . . . . . . . . . 11

2.6

Interfacing to microprocessors with bidirectional reset pins . . . . . . . . . . . 12

Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.1

SOT23-5 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2/31

DocID11110 Rev 13

List of figures

STM632x, STM682x

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Figure 17.

Figure 18.

Figure 19.

Figure 20.

Figure 21.

Figure 22.

Figure 23.

Figure 24.

Figure 25.

Figure 26.

Figure 27.

Figure 28.

Logic diagram (STM6821/6822/6823) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Logic diagram (STM6321/6322/6824/6825) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

STM6822/6823 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

STM6821 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

STM6322/6825 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

STM6321/6824 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Block diagram (STM6821/6822/6823) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Block diagram (STM6321/6824) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Block diagram (STM6322/6825) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

STM6321/6322/6822 open drain RST output with multiple supplies . . . . . . . . . . . . . . . . . 10

Ensuring RST valid to V

= 0, (active low push-pull outputs). . . . . . . . . . . . . . . . . . . . . . 12

Ensuring RST valid to V

= 0, (active high, push-pull outputs) . . . . . . . . . . . . . . . . . . . . 12

Interfacing to microprocessors with bidirectional reset I/O . . . . . . . . . . . . . . . . . . . . . . . . . 12

-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Supply current vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

MR-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Normalized power-up t

rec

vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Normalized reset threshold voltage vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Normalized power-up watchdog timeout period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Voltage output low vs. I

SINK

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Voltage output high vs. I

SOURCE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 17

AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Watchdog timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

SOT23-5 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

SOT23-5 carrier tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4/31

DocID11110 Rev 13

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