參數(shù)資料
型號(hào)： TCA5600
廠(chǎng)商： MOTOROLA INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： UNIVERSAL MICROPROCESSOR POWER SUPPLY/CONTROLLERS
中文描述： 1 A SWITCHING CONTROLLER, PDIP18
封裝： PLASTIC, DIP-18
文件頁(yè)數(shù)： 4/12頁(yè)
文件大?。?/td> 206K
代理商： TCA5600
TCA5600 TCF5600
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC1 = VCC2 = 12 V; TJ = 25
°
C; Iref = 0; Iout1 = 0 [Note 3]; RSC = 0.5
; INH = High
ELECTRICAL CHARACTERISTICS
INH2 = High; WDS = High; Iout2 = 0 [Note 4]; unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
PROGRAMMABLE VOLTAGE REGULATOR SECTION
(Note 6)
Nominal Output Voltage
Vout2(nom)
Vout2
23
24
25
V
Output Voltage (Figure 8)
1.0 mA
≤
Iout2
≤
100 mA, Tlow
≤
TJ
≤
Thigh (Notes 5, 7)
22.8
—
25.2
V
Load Regulation 1.0 mA
≤
Iout2
≤
100 mA (Note 7)
DC Output Current
Regload
Iout2
Iout2 p
RR
—
40
200
mV
100
—
—
mA
Peak Output Current (Internally Limited)
150
200
—
mA
Ripple Rejection Ratio
f = 20 kHz, V = 0.4 Vpp
45
55
—
dB
Output Voltage (Fixed 5.0 V)
1.0 mA
≤
Iout2
≤
20 mA, Tlow
≤
TJ
≤
Thigh
INH1 = HIGH (Note 5)
Vout2(5.0 V)
4.75
—
5.25
V
Off State Output Impedance (INH2 = Low)
Rout1
Vout2
TJVout2
—
10
—
k
Average Temperature Coefficient
Tlow
≤
TJ
≤
Thigh (Note 5)
—
—
±
0.25
mV/
°
C V
WATCHDOG AND RESET CIRCUIT SECTION
Threshold Voltage
(Static)
High
Low
VC5(H)
VC5(L)
—
—
2.5
1.0
—
—
V
Current Source Tlow
≤
TJ
≤
Thigh (Note 5)
Power–Up RESET
Watchdog Time Out
Watchdog RESET
IC5
–1.8
—
—
–2.5
5
×
IC5
–50
×
IC5
–3.2
—
—
μ
A
Watchdog Input Voltage Swing
VWDI
ri
tp
—
—
±
5.5
V
Watchdog Input Impedance
12
15
—
k
Watchdog Reset Pulse Width (C8 = 1.0 nF) (Note 9)
—
—
10
μ
s
DIGITAL PORTS: WDS, INH 1, INH 2, RESET
(Note 8)
Input Voltage Range
VINP
IIH
—
—
–0.3 to VCC1
V
Input High Current
2.0 V
≤
VIH
≤
5.5 V
5.5 V
≤
VIH
≤
VCC1
—
—
—
—
100
150
μ
A
Input Low Current
–0.3 V
≤
VIL
≤
0.8 V for INH1, INH2, –0.3 V
≤
VIL
≤
0.4 V for WDS
IIL
—
—
–100
μ
A
Leakage Current Immunity (INH2, High “Z” State) (Figure 12)
IZ
±
20
—
—
μ
A
Output Low Voltage RESET (IOL = 6.0 mA)
Output High Voltage RESET (VOH = 5.5 V)
VOL
VOH
—
—
0.4
V
—
—
20
μ
A
NOTES:
3.The external PNP power transistor satisfies the following minimum specifications:
hFE
≥
60 at IC = 500 mA and VCE = 5.0 V;
VCE(sat)
≤
300 mV at IB = 10 mA and IC = 300 mA
4.Regulator Vout2 programmed for nominal 24 V output by means of R4, R5 (see Figure 1).
5.Tlow = 0
°
C for TCA5600
Thigh = +125
°
C for TCA5600
6.V9 = 28 V, INH1 = LOW for this ElThigh = +150
7.Pulse tested tp
≤
300
μ
s.
8.Temperature range Tlow
≤
TJ
≤
Thigh applies to this Electrical Characteristics section.
9.For test purposes, a negative pulse is applied to Pin 4 (–2.5 V
≥
V4
≥
–5.5 V).
Tlow = –40
°
C for TCF5600
°
C for TCF5600
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