參數(shù)資料
型號： TC1303C-DI2EUN
元件分類： 穩(wěn)壓器
英文描述： 0.5 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, PDSO10
封裝： PLASTIC, MO-187, MSOP-10
文件頁數(shù)： 38/38頁
文件大?。?/td> 756K
代理商： TC1303C-DI2EUN
2008 Microchip Technology Inc.
DS21949C-page 9
TC1303A/TC1303B/TC1303C/TC1304
Output Short Circuit Current
(Average)
IOUTsc2
—
240
—
mA
RLOAD2 ≤ 1
Wake-Up Time (From SHDN2
mode), (VOUT2)
tWK
—31
100
s
IOUT1 = IOUT2 = 50 mA
Settling Time (From SHDN2
mode), (VOUT2)
tS
—
100
—
s
IOUT1 = IOUT2 = 50 mA
Power-Good (PG)
Voltage Range PG
VPG
1.0
1.2
—5.5
5.5
VTA = 0°C to +70°C
TA = -40°C to +85°C
VIN ≤ 2.7 ISINK = 100 A
PG Threshold High
(VOUT1 or VOUT2)
VTH_H
—94
96
% of
VOUTX
On Rising VOUT1 or VOUT2
VOUTX =VOUT1 or VOUT2
PG Threshold Low
(VOUT1 or VOUT2)
VTH_L
89
92
—
% of
VOUTX
On Falling VOUT1 or VOUT2
VOUTX =VOUT1 or VOUT2
PG Threshold Hysteresis
(VOUT1 and VOUT2)
VTH_HYS
—2
—
% of
VOUTX
VOUTX =VOUT1 or VOUT2
PG Threshold Tempco
ΔVTH/ΔT
—
30
—
ppm/°C
PG Delay
tRPD
—
165
—
s
VOUT1 or VOUT2 =(VTH + 100 mV)
to (VTH - 100 mV)
PG Active Time-out Period
tRPU
140
262
560
ms
VOUT1 or VOUT2 =VTH - 100 mV
to VTH + 100 mV,
ISINK = 1.2 mA
PG Output Voltage Low
PG_VOL
——
0.2
VVOUT1orVOUT2 =VTH - 100 mV,
IPG= 1.2 mA VIN2 >2.7V
IPG = 100 A, 1.0V < VIN2 < 2.7V
PG Output Voltage High
(TC1303B only)
PG_VOH
0.9* VOUT2
——
V
VOUT1 or VOUT2 =VTH + 100 mV
VOUT2 ≥ 1.8V, IPG = - 500 A
VOUT2 < 1.8V,IPG = - 300 A
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics: VIN1 =VIN2 = SHDN1,2 = 3.6V, COUT1 =CIN = 4.7 F, COUT2 =1F, L = 4.7 H, VOUT1 (ADJ) = 1.8V,
IOUT1 = 100 mA, IOUT2 = 0.1 mA TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
The Minimum VIN has to meet two conditions: VIN ≥ 2.7V and VIN ≥ VRX + VDROPOUT, VRX = VR1 or VR2.
2:
VRX is the regulator output voltage setting.
3:
TCVOUT2 = ((VOUT2max – VOUT2min) * 106)/(VOUT2 * DT).
4:
Regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load regulation is tested
over a load range from 0.1 mA to the maximum specified output current.
5:
Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its
nominal value measured at a 1V differential.
6:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction
temperature and the thermal resistance from junction to air. (i.e. TA, TJ, θJA). Exceeding the maximum allowable power
7:
The integrated MOSFET switches have an integral diode from the LX pin to VIN, and from LX to PGND. In cases where
these diodes are forward-biased, the package power dissipation limits must be adhered to. Thermal protection is not
able to limit the junction temperature for these cases.
8:
VIN1 and VIN2 are supplied by the same input source.
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