參數(shù)資料
型號(hào)： TPS62690YFFR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.5 A SWITCHING REGULATOR, 4400 kHz SWITCHING FREQ-MAX, BGA6
封裝： GREEN, DSBGA-6
文件頁(yè)數(shù)： 21/27頁(yè)
文件大?。?/td> 870K
代理商： TPS62690YFFR
SLVS965
– MARCH 2011
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
VIN
Input voltage range
2.3
4.8(1)
V
TPS62690
0
500
mA
IO
Output current range
TPS62691
0
600
mA
L
Inductance
0.5
1.8
H
CO
Output capacitance
1
5
10
F
TA
Ambient temperature
–40
+85
°C
TJ
Operating junction temperature
–40
+125
°C
(1)
Operation above 4.8V input voltage is not recommended over an extended period of time.
ELECTRICAL CHARACTERISTICS
Minimum and maximum values are at VIN = 2.3V to 5.5V, VOUT = 2.85V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C;
Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.6V, VOUT =
2.85V, EN = 1.8V, AUTO mode and TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
TPS6269x
IO = 0mA. Device not switching
19
50
μA
Operating quiescent
IQ
current
TPS62690
IO = 0mA, PWM mode
4.2
mA
I(SD)
Shutdown current
TPS6269x
EN = GND
0.2
5
μA
Undervoltage lockout
UVLO
TPS6269x
2.05
2.1
V
threshold
ENABLE, MODE
VIH
High-level input voltage
1
V
VIL
Low-level input voltage
TPS6269x
0.4
V
Ilkg
Input leakage current
Input connected to GND or VIN
0.01
1.5
μA
POWER SWITCH
VIN = V(GS) = 3.6V. PWM mode
160
280(1)
m
P-channel MOSFET on
rDS(on)
TPS6269x
resistance
VIN = V(GS) = 2.9V. PWM mode
190
350(1)
m
P-channel leakage
Ilkg
TPS6269x
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
1
μA
current, PMOS
VIN = V(GS) = 3.6V. PWM mode
110
m
N-channel MOSFET on
rDS(on)
TPS6269x
resistance
VIN = V(GS) = 2.9V. PWM mode
140
m
N-channel leakage
Ilkg
TPS6269x
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
2
μA
current, NMOS
Discharge resistor for
rDIS
100
150
power-down sequence
2.3V
≤ VIN ≤ 4.8V. Open loop
900
1100
1250
mA
TPS62690
P-MOS current limit
VIN = 3.6V. Closed loop
830
mA
TPS62691
2.3V
≤ VIN ≤ 4.8V. Open loop
1050
1250
1400
mA
Input current limit under
TPS62690
VO shorted to ground
15
mA
short-circuit conditions
Thermal shutdown
140
°C
TPS6269x
Thermal shutdown
10
°C
hysteresis
(1)
Verified by characterization. Not tested in production.
2011, Texas Instruments Incorporated
3
Product Folder Link(s) :TPS62690 TPS62691
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