參數(shù)資料
型號(hào)： UCC2919DTR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝： GREEN, PLASTIC, MS-012AC, SOIC-16
文件頁(yè)數(shù)： 21/27頁(yè)
文件大?。?/td> 701K
代理商： UCC2919DTR
UCC2919
UCC3919
SLUS374C JULY 1999 REVISED NOVEMBER 2005
3
www.ti.com
absolute maximum ratings over operating free-air temperature (unless otherwise noted)}
VDD
–0.3 V to 10 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin voltage (all pins except CAP and GATE)
–0.3 V to VDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin voltage (CAP and GATE)
–0.3 V to 18 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PL current
0.5 mA to –10 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IBIAS current
0 mA to 3 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction temperature, TJ
–55
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature (soldering, 10sec.)
300
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
Currents are positive into, negative out of the specified terminal. Consult Packaging Section of Databook for thermal limitations and
considerations of package.
electrical characteristics, VDD = 5 V, TA = 0°C to 70°C for the UCC3919, –40°C to 85°C for the
UCC2919, all voltages are with respect to GND, TA = TJ, (unless otherwise specified)
input supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Supply current
VDD = 3 V
0.5
1
mA
Supply current
VDD = 8 V
1
1.5
mA
Shutdown current
SD = 0.2 V
1
7
A
undervoltage lockout
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Minimum voltage to start
2.35
2.75
3
V
Minimum voltage after start
1.9
2.25
2.5
V
Hysteresis
0.25
0.5
0.75
V
IBIAS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Output voltage, (0 A < IOUT < 15 A)
25
°C,
referred to CSP
1.47
1.5
1.53
V
Output voltage, (0
A < IOUT < 15 A)
Over temperature range,
referred to CSP
1.44
1.5
1.56
V
Maximum output current
1
2
mA
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