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參數資料
| 型號： | TPS60230RGTT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.2 A SWITCHED CAPACITOR REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁數： | 14/20頁 |
| 文件大小： | 640K |
| 代理商： | TPS60230RGTT |
www.ti.com
ELECTRICAL CHARACTERISTICS
TPS60230
SLVS516A – MAY 2004 – REVISED JUNE 2004
V
I = 3.6 V, EN1 = EN2 = VI, TA = -40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE AND CURRENT
VI
Input voltage range
IO = 0 mA to 75 mA
2.7
6.5
V
VI = 4.2 V, x1-mode, EN1 = EN2 = 1, ISET = 20 A
200
A
IQ
Operating quiescent current
IO = 0 mA, x1.5-mode
2.1
mA
ISD
Shutdown current
EN2 = EN1 = GND
0.1
1
A
CHARGE PUMP STAGE
VOUT
Overvoltage limit
LED1 unconnected, VI = 4.2 V
5.5
V
Startup time
CO = 1 F, IDX≥ 0.9 IDX, set
375
s
Softstart duration
160
s
f
Switching frequency
0.75
1
1.25
MHz
η
Efficiency
VI = 3.7 V, ILED = 15 mA each, VDX = 3.1 V
83%
Shutdown temperature
Temperature rising
160
°C
Shutdown temperature hysteresis
20
°C
Input current limit
EN2 = EN1 = 1, ISET = 100 A
350
mA
CURRENT SINKS
Recommended maximum current per cur-
3.2 V
≤ V
I≤ 6.5 V
25
mA
IDx
rent sink
Current into each current sink when Iset is
50
mA
IDx
3.0 V
≤ V
I≤ 6.5 V, ISET shorted to GND
shorted to GND
Current matching between any two outputs
VDx = 3.1 V, TA = 25°C
–2% 0.4%
2%
3.2 V
≤ V
I≤ 6.5 V, VDx = 3.1 V, EN1 = EN2 = 1,
±3%
Line regulation
ISET = 80 A
EN2 = 0, EN1 = 1
200
VISET
Reference voltage for current set
EN2 = 1, EN1 = 0
400
mV
EN2 = 1, EN1 = 1
580
600
620
Iset
Recommended ISET pin current range
4
130
A
k
IDx to Iset current ratio
EN2 = EN1 = 1, ISET = 80 A
230
260
280
EN2 = 0, EN1 = 1
200
Vsource
Voltage at Dx to GND
EN2 = 1, EN1 = 0
300
mV
EN2 = 1, EN1 = 1
400
ENABLE 1, ENABLE 2
VIH
EN1, EN2 high level input voltage
1.3
V
VIL
EN1, EN2 low level input voltage
0.3
V
EN1, EN2 trip point hysteresis
50
mV
IIKG
EN2 input leakage current
EN1, EN2 = GND or EN2 = VI, VI = 6.5 V
0.01
1
A
II
EN1 input current
EN1 = VI, VI = 4.2 V
11
15
A
V(UVLO)
Undervoltage lockout threshold
Input voltage falling
2.1
V
Undervoltage lockout hysteresis
50
mV
Frequency range at PWM
0
50
kHz
Recommended ON-time for PWM signal
2.5
s
Delay time when EN1 = EN2 go to GND after which
Shutdown delay time
0.5
0.85
1.5
ms
the TPS60230 shuts down completely
3
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