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參數(shù)資料
| 型號： | TPS65910RSLT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PQCC48 |
| 封裝： | 6 X 6 MM, 0.40 MM PITCH, GREEN, PLASTIC, VQFN-48 |
| 文件頁數(shù)： | 2/86頁 |
| 文件大?。?/td> | 534K |
| 代理商： | TPS65910RSLT |
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PRODUCTPREVIEW
SWCS046A – MARCH 2010 – REVISED MAY 2010
www.ti.com
THERMAL MONITORING AND SHUTDOWN
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Hot-die temperature rising threshold
THERM_HDSEL[1:0] = 00
117
THERM_HDSEL[1:0] = 01
121
°C
THERM_HDSEL[1:0] = 10
113
125
136
THERM_HDSEL[1:0] = 11
130
Hot-die temperature hysteresis
10
°C
Thermal shutdown temperature rising
136
148
160
°C
threshold
Thermal shutdown temperature hysteresis
10
°C
Device in ACTIVE state, Temp = 27°C,
Ground current
6
A
VCC7 = 3.8 V
32-kHz RTC CLOCK
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CLK32KOUT rise and fall time
CL = 35 pF
10
ns
Bypass Clock (OSC32KIN: input, OSC32KOUT floating)
Input bypass clock frequency
OSCKIN input
32
kHz
Input bypass clock duty cycle
OSCKIN input
40%
60%
Input bypass clock rise and fall time
10% – 90%, OSC32KIN input,
10
20
ns
CLK32KOUT duty cycle
Logic output signal
40%
60%
Bypass clock setup time
32KCLKOUT output
1
ms
Ground current
Bypass mode
1.5
A
Crystal oscillator (connected from OSC32KIN to OSC32KOUT)
Crystal frequency
@ specified load cap value
32.768
kHz
Crystal tolerance
@ 27°C
–20
0
20
ppm
Frequency temperature coefficient
Oscillator contribution
–0.5
0.5
ppm/°C
(not including crystal variation)
Secondary temperature coefficient
–0.04
–0.035
–0.03
ppm/°C
Voltage coefficient
–2
2
ppm/V
Max crystal series resistor
@ Fundamental frequency
90
k
Ω
Crystal load capacitor
According to crystal data sheet
6
12.5
pF
Load crystal oscillator
Parallel mode
12
25
pF
Coscin, Coscout
Including parasitic PCB capacitor
Quality factor
8000
80000
Oscillator startup time
On power on
2
s
Ground current
1.5
A
RC oscillator (OSC32KIN: grounded TBC, OSC32KOUT floating)
Output frequency
CK32KOUT output
32
kHz
Output frequency accuracy
@ 25°C
–15%
0%
+15%
Cycle jitter (RMS)
Oscillator contribution
+10%
Output duty cycle
+40%
+50%
+60%
Settling time
150
s
Ground current
Active @ fundamental frequency
4
A
10
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65910
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