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參數(shù)資料
| 型號： | L4978D013TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.5 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SO-16 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大小： | 581K |
| 代理商： | L4978D013TR |
3/13
L4978
(*) Pins 1, 7, 8, 9, 10, 15 and 16 are not internally, electrically connected to the die.
Table 4. Thermal Data
(*) Package mounted on board.
Table 5. Absolute Maximum Ratings
4
5, 6
OUT
Stepdown regulator output
5
11
VCC
Unregulated DC input voltage
6
12
BOOT
A capacitor connected between this pin and OUT allows to drive the internal DMOS
Transistors
7
13
COMP
E/A output to be used for frequency compensation
8
14
FB
Stepdown feedback input. Connecting directly to this pin results in an output voltage
of 3.3V. An external resistive divider is required for higher output voltages.
Symbol
Parameter
Minidip
SO16
Unit
Rth(j-amb)
Thermal Resistance Junction to ambient
Max.
90 (*)
110 (*)
°C/W
Symbol
Parameter
Value
Unit
Minidip
S016
V5
V11
Input voltage
58
V
V4
V5,V6
Output DC voltage
Output peak voltage at t = 0.1ms f=200KHz
-1
-5
V
I4
I5,I6
Maximum output current
int. limit.
V6-V5
V12-V11
14
V
V6
V12
Bootstrap voltage
70
V
V7
V13
Analogs input voltage (VCC= 24V)
12
V
V2
V3
Analogs input voltage (VCC= 24V)
13
V
V8
V14
(VCC= 20V)
6
-0.3
V
Ptot
Power dissipation a Tamb
≤ 60°C
DIP-8
SO16
1
0.8
W
Tj,Tstg
Junction and storage temperature
-40 to 150
°C
Table 3. Pin Description (continued)
N°
Pin
Name
Function
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L4979D | 功能描述:低壓差穩(wěn)壓器 - LDO Lo DROP Vltg REG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4979D_06 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW DROP VOLTAGE REGULATOR |
| L4979D013TR | 功能描述:低壓差穩(wěn)壓器 - LDO Lo DROP Vltg REG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L4979D13TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW DROP VOLTAGE REGULATOR |
| L4979D-E | 功能描述:低壓差穩(wěn)壓器 - LDO LOW DROP VOLT REG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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