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參數(shù)資料
| 型號(hào)： | UC1914 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5V to 35V Hot Swap Power Manager |
| 中文描述： | 5V至35V的熱插拔電源管理器 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 652K |
| 代理商： | UC1914 |
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3
UC1914
UC2914
UC3914
ELECTRICAL CHARACTERISTICS:
Unless otherwise specified, T
A
= 0°C to 70°C for the UC3914, –40°C to 85°C for the
UC2914, and –55°C to 125°C for the UC1914. VCC = 12V, V
PUMP
= V
PUMP
(max), SD = 5V, CP1 = CP2 = C
PUMP
= 0.01
μ
F.
T
A
= T
J
.
PARAMETER
TEST CONDITIONS
Output Section
OUT High Voltage
VOUTS = VCC, VPUMP = VPUMP max, with respect to
VPUMP
OUT High Voltage
VOUTS = VCC, VPUMP = VPUMP max, IOUT = –2mA,
with respect to VPUMP
OUT Low Voltage
I
OUT
= 0
I
OUT
= 5mA
I
OUT
= 25mA, Overload Condition, VOUTS = 0V
OUT Clamp Voltage
VOUTS = 0V
Rise Time
C
OUT
= 1nF (Note 1)
Fall Time
C
OUT
= 1nF (Note 1)
Charge Pump Section
OSC, OSCB Frequency
OSC, OSCB Output High
I
OSC
= –5mA
OSC, OSCB Output Low
I
OSC
= 5mA
OSC, OSCB Output Clamp Voltage VCC = 25
OSC, OSCB Output Current Limit
High Side Only
Pump Diode Voltage Drop
I
DIODE
= 10mA, Measured from PMP to PMPB, PMPB to
VPUMP
PMP Clamp Voltage
VCC = 25
VPUMP Maximum Voltage
VCC = 12, VOUTS = VCC, Voltage Where Charge Pump
Disabled
VCC = 35V, VOUTS = VCC, Voltage Where Charge
Pump Disabled
VPUMP Hysteresis
VCC = 12, VOUTS = VCC, Voltage Where Charge Pump
Re-enabled
VCC = 35V, VOUTS = VCC, Charge Pump Re-enabled
Linear Current Section
Input Offset Voltage
Voltage Gain
IMAX Control Voltage
IMAX = OUT, SENSE = VCC, with respect to VCC
IMAX = OUT, SENSE = REF, with respect to REF
SENSE Input Bias
Reference Section
REF Output Voltage
With respect to VCC
REF Current Limit
Load Regulation
I
VREF
= 1mA to 5mA
Line Regulation
VCC = 5V to 35V
Shutdown Section
Shutdown Threshold
Input Current
SD = 5V
Delay to Output
(Note 1)
Fault Section
Fault Output Low
I
FAULT
= 1mA
Fault Output Leakage
V
FAULT
= 35V
MIN
TYP
MAX
UNITS
–1.5
–1.0
V
–2.0
–1.5
V
0.8
1
1.2
13.0
750
250
1.3
2
1.8
14.5
1250
500
V
V
V
V
ns
ns
11.5
60
10.0
150
11.0
0.2
20.5
–10
0.9
250
11.6
0.5
22.5
–3
1.3
kHz
V
V
V
mA
V
18.5
–20
0.5
18.5
20
20.5
22
22.5
24
V
V
42
45
48
V
0.3
0.7
1.4
V
0.25
0.7
1.4
V
–15
60
–20
–20
0
15
mV
dB
mV
mV
μ
A
80
0
0
1.5
20
20
3.5
–2.25
12.5
–2.00
20.0
25
25
–1.75
50.0
60
100
V
mA
mV
mV
0.6
1.5
150
0.5
2.0
300
2.0
V
μ
A
μ
s
100
10
200
500
mV
nA
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