L4995 データシートの表示（PDF） - STMicroelectronics
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L4995 Datasheet PDF : 35 Pages
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Electrical specifications
L4995
Table 5. General (continued)
Pin Symbol
Parameter
Test condition Min. Typ. Max. Unit
VS, Vo
VS, Vo
VS, Vo
Iqn_150
Iqn_250
Iqn_500
Tw
Current consumption
with regulator enabled
Current consumption
with regulator enabled
Current consumption
with regulator enabled
Thermal protection
temperature
VS = 13.5V,
Io = 150mA,
VS= 13.5V,
Io= 250mA,
VS= 13.5V,
Io= 500mA,
740 1000 µA
1 1.4 mA
2.1 2.7 mA
150
190 °C
Tw_hy
Thermal protection
temperature hysteresis
10
°C
1. See Figure 28.
2. Measured output current when the output voltage has dropped 100mV from its nominal value obtained at
Vs=13.5V and Io= 250mA.
3. Vansd-VIoo=m2e5a0smurAe.d when the output voltage has dropped 100mV from its nominal value obtained at Vs=13.5V
4. Guaranteed by design.
Table 6. Reset
Pin Symbol
Parameter
Test condition Min. Typ. Max. Unit
Res
Vres_l
Reset output low voltage Rext = 5kΩ to Vo,
Vo > 1V
Res
IRes_lkg
Reset output high leakage
current
VRes = 5V
0.4
V
1
µA
Res
RRes
Pull up internal resistance
(versus Vo)
10 20 40 kΩ
Res
Vo_th
Vo out of regulation
threshold
VS = 5.6 to 31V
Io = 1 to 500mA
6%
8%
10%
below
Vo_ref
Vcr
VRlth
Reset delay circuit low
threshold
VS = 13.5V
10% 13% 16% Vo_ref
Vcr
VRhth
Reset delay circuit high
threshold
VS =13.5V
44% 47% 50% Vo_ref
Vcr
Icr
Charge current
VS = 13.5V
8 15 30 µA
Vcr
Idr
Discharge current
VS = 13.5V
8 15 30 µA
Res
Trr
Reset reaction time(1)
Vo = Vo_th -100mV 100 250 700 µs
Res
Trd
Reset delay time
VS = 13.5V,
Ctr = 47nF
12 33 73 ms
1. When Vo becomes lower than 4V, the reset reaction time decreases down to 2µs assuring a faster reset
condition in this particular case.
10/35
Doc ID 13103 Rev 13
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