參數(shù)資料
型號(hào): LTC2913IMS-1#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 187K
代理商: LTC2913IMS-1#TR
LTC2913
5
2913fb
UV Output Voltage vs VCC
UV, ISINK vs VCC
UV/OV Voltage Output Low vs
Output Sink Current
TYPICAL PERFORMANCE CHARACTERISTICS
Reset Timeout Period vs
Temperature
Reset Timeout Period vs
Capacitance
DIS (Pin 8, LTC2913-2): Output Disable Input. Disables
the OV and UV output pins. When DIS is pulled high, the
OV and UV pins are not asserted except during a UVLO
condition. DIS has a weak (2μA) internal pull-down to
GND. Leave DIS open if unused.
Exposed Pad (Pin 11, DFN Package): Exposed Pad may
be left open or connected to device ground.
GND (Pin 5): Device Ground.
LATCH (Pin 8, LTC2913-1): OV Latch Clear/Bypass Input.
When pin is pulled low, OV is latched when asserted. When
pulled high, OV latch is cleared. While held high, OV has
the same delay and output characteristics as UV.
OV (Pin 6): Overvoltage Logic Output. Asserts low when
either VL input voltage is above threshold. Latched low
(LTC2913-1). Held low for programmed delay time after
both VL inputs are valid (LTC2913-2). OV has a weak pull-
up to VCC and may be pulled above VCC using an external
pull-up. Leave OV open if unused.
SUPPLY VOLTAGE, VCC (V)
0
UV
VOLTAGE
(V)
3
4
5
4
2913 G07
2
1
0
1
2
3
5
VHn = 0.55V
SEL = VCC
SUPPLY VOLTAGE, VCC (V)
0
PULL-DOWN
CURRENT,
I
UV
(mA)
3
4
5
4
2913 G08
2
1
0
1
2
3
5
UV AT 150mV
UV AT 50mV
VHn = 0.45V
SEL = VCC
IUV/OV (mA)
0
UV
/OV
,V
OL
(V)
0.2
0.4
0.6
0.8
1.0
85°C
–40°C
25°C
5
10
15
20
2913 G09
25
30
TEMPERATURE (°C)
–50
6
UV
/OV
TIMEOUT
PERIOD,
t
UOTO
(ms)
7
8
9
10
12
–25
025
50
2913 G10
75
100
11
CTMR = 1nF
TMR PIN CAPACITANCE, CTMR (nF)
0.1
1
UV
/OV
TIMEOUT
PERIOD,
t
UOTO
(ms)
100
10000
10
100
1000
2913 G11
10
1000
Specications are at TA = 25°C, VCC = 3.3V unless otherwise noted.
PIN FUNCTIONS
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