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33394 データシート(PDF) 12 Page - Freescale Semiconductor, Inc

部品番号 33394
部品情報  Switch Mode Power Supply with Multiple Linear Regulators and High Speed CAN Transcelver
PDF  44 Pages
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メーカー  FREESCALE [Freescale Semiconductor, Inc]
ホームページ  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33394 データシート(HTML) 12 Page - Freescale Semiconductor, Inc

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33394
12
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
3. ELECTRICAL CHARACTERISTICS (–40
°C ≤ TA ≤ +125°C; +4.0 V ≤ VBAT ≤ +26.5 V using the 33394 typical application
circuit – see Figure 1, unless otherwise noted.)
Characteristic
Symbol
Min.
Typ.
Max.
Unit
DC CHARACTERISTICS:
SUPERVISORY OUTPUTS
Reset Voltage Thresholds
/HRESET to follow /PRERESET by 0.7
µs
VDDH Reset Upper Threshold Voltage
(Note 1)
5.2
V
VDDH Reset Lower Threshold Voltage
(Note 1)
4.8
V
VDD3_3 Reset Upper Threshold Voltage
(Note 1)
3.43
V
VDD3_3 Reset Lower Threshold Voltage
(Note 1)
3.17
V
VDDL Reset Upper Threshold Voltage
(Notes 1, 4)
1.35
V
VDDL Reset Lower Threshold Voltage
(Notes 1, 4)
1.2
V
/PORESET Voltage Threshold
VKAM Reset Upper Threshold Voltage
(Notes 2, 5)
1.35
V
VKAM Reset Lower Threshold Voltage
(Notes 2, 5)
1.2
V
/PRERESET, /HRESET, /PORESET Open Drain Maximum Voltage
(Note 3)
7.0
V
/PRERESET, /HRESET, /PORESET Open Drain Pull–Down Current,
Vreset< 0.4 V
1.0
mA
/PRERESET, /HRESET, /PORESET Low–Level Output Voltage,
IOL = 1.0 mA
0.5
V
/PRERESET /HRESET /PORESET Leakage Current
15
µA
WAKEUP High–Level Output Voltage, IOH = –800
µA
VDDH–0.8
V
WAKEUP Low–Level Output Voltage, IOL = 1.6 mA
0.4
V
HRT Voltage Threshold
2.49
2.53
2.57
V
HRT Sink Current
1.0
mA
HRT Leakage Current
5.0
µA
HRT Saturation Voltage, HRT Current = 1 mA
0.4
V
AC CHARACTERISTICS:
SUPERVISORY OUTPUTS
/PORESET Delay
Delay time from VKAM in regulation and stable to the release of
/PORESET
7.0
10
15
ms
Reset Delay Time
Time from fault on VDDH, VDD3_3, VDDL or VKAM to Reset
(/PORESET, /PRERESET)
10
20
50
µs
/HRESET Delay Time
Time From /PRERESET low to /HRESET low
0.5
0.7
1.0
µs
VDDH, VDDL, VREF Power Up Sequence
Max Power Up Sequence Time Dependent on Output Load
Characteristics.
(Note 3)
800
µs
NOTE:
1. VDDH, VDD3_3, VDDL regulator outputs supervised by /PRERESET and /HRESET.
2. VKAM regulator output supervised by /PORESET.
3. Guaranteed by design but not production tested.
4. Measured at the VDDL_FB pin.
5. Measured at the VKAM_FB pin.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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