RHFL4913XX33 [STMICROELECTRONICS]
Rad-hard positive fixed voltage regulator; 抗辐射的固定正电压稳压器
| 型号： | RHFL4913XX33 |
| 厂家： | 
ST |
| 描述： | Rad-hard positive fixed voltage regulator |
| 文件： | 总19页 (文件大小：267K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RHFL4913XX15 - RHFL4913XX25
RHFL4913XX33 - RHFL4913XX50
Rad-hard positive fixed voltage regulator
Features
■ 2 and 3 A low dropout voltage
■ Embedded overtemperature, overcurrent
protections
■ Adjustable current limitation
SMD.5
Flat-16
■ Output overload monitoring/signalling
■ Fixed 1.5 V, 2.5 V; 3.3 V; 5.0 V output voltages
■ Inhibit (ON/OFF) TTL-compatible control
■ Programmable output short-circuit current
■ Remote sensing operation
TO-257
■ Rad-hard: tested up to 300 krad Mil Std 883E
Method 1019.6 and low dose rate conditions
Available into various hermetic ceramic packages,
it is specifically intended for space and harsh
radiation environments. Input supply range is up
to 12 V.
■ Heavy ion, SEL, and SEU immune; able to
14
2
14
sustain 2x10 protons/cm and 2x10
neutrons/cm
2
RHFL4913 fixed is QML-V qualified, DSCC SMD
are 5962F02534 / 02535 / 02536.
Description
The RHFL4913 fixed is a high performance Rad-
hard positive voltage regulator family.
Figure 1.
Block diagram for package SMD.5 and TO-257
August 2008
Rev 8
1/19
www.st.com
19
Contents
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Contents
1
2
3
4
5
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1
5.2
5.3
5.4
5.5
5.6
5.7
Low pin count package limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SENSE pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Inhibit ON-OFF control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Overcurrent protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
OCM pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Alternate to . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6
7
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.1
Remote sensing operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Notes about Flat-16 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.1
7.2
Radiation performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Die information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9
10
2/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Diagram
1
Diagram
Figure 2.
Block diagram for package Flat-16
3/19
Pin configuration
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
2
Pin configuration
Figure 3.
Pin configuration (top view for Flat-16, bottom view for SMD.5)
Flat-16
SMD.5
TO-257
Table 1.
Pin description
Pin name
Flat-16
SMD.5
TO-257
VO
VI
1, 2, 6, 7
1
2
3
3
1
2
3, 4, 5
GND
ISC
13
8
OCM
INHIBIT
SENSE
NC
10
14
16
9, 11, 12, 15
4/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Maximum ratings
3
Maximum ratings
(1)
Table 2.
Symbol
Absolute maximum ratings
Parameter
Value
Unit
VI
IO
DC input voltage, VI - VGROUND
Output current
14
V
RHFL4913S, ESY
RHFL4913KP
KP, S Versions
ESY Version
3
2
A
15
PD
TC = 25°C power dissipation
Storage temperature range
W
10
TSTG
TOP
TJ
-65 to +150
-55 to +150
+150
°C
°C
°C
Operating junction temperature range
Junction temperature (2)
ESD
Electrostatic discharge capability
Class 3
1. Exceeding maximum ratings may damage the device.
2. Internally limited to about maximum +175 °C by thermal shutdown circuit.
Table 3.
Symbol
Thermal data
Parameter
Flat-16
TO-257
SMD.5
Unit
RthJC
Thermal resistance junction-case max.
Maximum soldering temperature, 10 sec.
8.3
12.5
300
8.3
°C/W
°C
TSOLD
5/19
Electrical characteristics
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
4
Electrical characteristics
Table 4.
Electrical characteristics
(T = 25 °C, V = V +2.5 V, C = C = 1 µF, unless otherwise specified)
J
I
O
I
O
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VI
Operating input voltage IO = 2 A (Flat-16) or 3A (SMD.5 & TO-257)
Output voltage accuracy VI = VO+2.5V, IO = 5mA
12
2
V
%
A
VO
-2
ISHORT Output current limit (1)
Adjustable by mask/external resistor
4.5
VO
VO
VO
VO
Operating output voltage IO = 2 A, 1.5 V output voltage
Operating output voltage IO = 2 A, 2.5 V output voltage
Operating output voltage IO = 2 A, 3.3 V output voltage
Operating output voltage IO = 2 A, 5.0 V output voltage
1.47
2.45
3.23
4.9
1.53
2.55
3.37
5.1
V
V
V
V
VI = VO+2.5V to 12 V, IO = 5mA (+25°C)
VI = VO+2.5V to 12 V, IO = 5mA (-55°C)
VI = VO+2.5V to 12 V, IO = 5mA (+125°C)
0.3
%
%
%
ΔVO/ΔVI Line regulation
0.4
0.4
VI = VO+2.5V, IO = 5mA to 400 mA
(+25°C)
0.2
0.3
0.3
%
%
%
VI = VO+2.5V, IO = 5mA to 400 mA (-55°C)
VI = VO+2.5V, IO = 5mA to 400 mA
(+125°C)
ΔVO/ΔVO Load regulation
VI = VO+2.5V, IO = 5mA to 1A (+25°C)
VI = VO+2.5V, IO = 5mA to 1A (-55°C)
VI = VO+2.5V, IO = 5mA to 1A (+125°C)
IO = 100 mA DC and 20 mA rms
0.3
0.4
0.4
%
%
%
ZOUT
Output impedance
Quiescent current
100
mΩ
VI = VO+2.5V, IO = 30mA, on mode
VI = VO+2.5V, IO = 300mA, on mode
VI = VO+2.5V, IO = 1A, on mode
8
25
60
Iq
mA
mA
VI = VO+2.5V, IO = 3A, on mode
(only for SMD.5 and TO-257)
150
VI = VO+2V, VINH = 2.4V, off mode
1
VI =VO+2.5V, IO=1A, TJ=+125°C, on mode
VI =VO+2.5V, IO=1A, TJ=-55°C, on mode
40
Iq
Quiescent current
100
6/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Electrical characteristics
Table 4.
Symbol
Electrical characteristics (continued)
(T = 25 °C, V = V +2.5 V, C = C = 1 µF, unless otherwise specified)
J
I
O
I
O
Parameter
Test conditions
Min.
Typ.
Max.
Unit
IO = 400mA, TJ = -55°C
300
350
450
400
450
550
550
650
800
I
I
O = 400mA, TJ = +25°C
O = 400mA, TJ = +125°C
IO = 1A, TJ = -55°C
IO = 1A, TJ = +25°C
Vd
Dropout voltage
mV
I
O = 1A, TJ = +125°C
IO = 2A, TJ = +25°C
750
950
IO = 2A, TJ = +125°C
VINH(ON) Inhibit voltage
VINH(OFF) Inhibit voltage
IO = 5mA, TJ= -55 to 125°C
IO = 5mA, TJ= -55 to 125°C
0.8
V
V
2.4
60
30
f = 120Hz
f = 33kHz
70
40
Supply voltage rejection
SVR
VI = VO+2.5V 1V, IO = 5mA
dB
(1)
ISH
Shutdown input current VINH = 5 V
15
µA
V
VOCM
OCM pin voltage
Sinked IOCM = 24 mA active low
0.38
on-off
off-on
20
µs
tPLH
tPHL
Inhibit propagation delay
VI = VO+2.5V, VINH = 2.4 V, IO = 400 mA
(1)
100
µs
eN
Output noise voltage (1) B= 10Hz to 100kHz, IO = 5mA to 2A
40
µVrms
1. This value is guaranteed by design. For each application it’s strongly recommended to comply with the maximum current
limit of the package used.
Figure 4.
Application diagram for remote sensing operation
7/19
Device description
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
5
Device description
The RHFL4913 fixed voltage contains a PNP type power element controlled by a signal
resulting from amplified comparison between the internal temperature compensated band-
gap cell and the fraction of the desired output voltage value. This fractional value is obtained
from an internal-to-die resistor divider bridge set by STMicroelectronics. The device is
protected by several functional blocks.
5.1
5.2
Low pin count package limitations
Some functions (INHIBIT, OCM, SENSE) are not available due to lack of pins.
Corresponding die pads are by default connected inside silicon.
SENSE pin
The load voltage is applied by a Kelvin line connected to SENSE pin: Voltage feed-back
comes from the internal divider resistor bridge. Therefore possible output voltages are set
by manufacturer mask metal options. SENSE pin is not available in 3pin packages.
5.3
5.4
Inhibit ON-OFF control
By setting INHIBIT pin TTL-high, the device switches off the output current and voltage. The
device is ON when INHIBIT pin is set low. Since INHIBIT pin is internally pulled down, it can
be left floating in case inhibit function is not utilized. INHIBIT pin is not available in 3pin
packages.
Overtemperature protection
A temperature detector internally monitors the power element junction temperature. The
device goes OFF at approx. 175 °C, returning to ON mode when back to approx. 40 °C. It is
worth noting that when the internal temperature detector reaches 175 °C, the active power
element can be at 225 °C: device reliability cannot be granted in case of extensive operation
under these conditions.
5.5
Overcurrent protection
I
pin. An internal non-fold back short-circuit limitation is set with I
> 3.8 A (V is 0
SC
SHORT O
V). This value can be reduced by an external resistor connected between I pin and V pin,
SC
I
with a typical value range of 10 kΩ to 200 kΩ. This adjustment feature is not available in 3
pin packages. To keep excellent V regulation, it is necessary to set I
1.6 times
O
SHORT
greater than the maximum desired application I . When I reaches I
– 300 mA, the
O
O
SHORT
current limiter overrules regulation and V starts to drop and the OCM flag is risen. When no
O
current limitation adjustment is required, I pin must be left unbiased (as it is in 3 pin
SC
packages).
8/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Device description
5.6
OCM pin
Goes low when current limiter starts to be active, otherwise V
= V . It is bufferized and
I
OCM
can sink 10 mA. OCM pin is internally pulled-up by a 5 kΩ resistor. Not available in 3 pin
packages.
5.7
Alternate to
RHFL4913 fixed (& custom) voltages replace all 3-terminal industry devices, providing
essential benefits
- Lower drop-out
- High radiation performance
- Better SVR
- Saving the high stability external setting resistors.
9/19
Application information
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
6
Application information
The RHFL4913 fixed voltage is functional as soon as V -V voltage difference is slightly
I
O
above the power element saturation voltage. A minimum 0.5 mA I ensures perfect “no-
O
load” regulation.
All available V pins must always be externally interconnected, same thing for all available
I
V pins, otherwise device stability and reliability cannot be granted. All NC pins can be
O
connected to ground. The INHIBIT function switches off the output current in an electronic
way, that is very quickly. According to Lenz’s Law, external circuitry reacts with –LdI/dt terms
which can be of high amplitude in case some series-inductance exists. The effect would be
a large transient voltage developed on both device terminals. It is necessary to protect the
device with Schottky diodes preventing negative voltage excursions. In the worst case, a 14
V Zener diode shall protect the device input.
The device has been designed for high stability and low drop out operation: minimum 1 µF
input and output tantalum capacitors are therefore mandatory. Capacitor ESR range is from
0.5 Ω to over 20 Ω. Such range turns out to be useful when ESR increases at low
temperature. When large transient currents are expected, larger value capacitors are
necessary.
In case of high current operation with expected short-circuit events, caution must be
considered relatively to capacitors. They must be connected as close as possible to device
terminals. As some tantalum capacitors may permanently fail when submitted to high
charge-up surge currents, it is recommended to decouple them with 470 nF polyester
capacitors.
Being RHFL4913 fixed voltage manufactured with very high speed bipolar technology 6 GHz
f transistors), the PCB lay-out must be performed with extreme care, very low inductance,
T
low mutually coupling lines, otherwise high frequency parasitic signals may be picked-up by
the device resulting into self-oscillation. User’s benefit is a SVR performance extended to far
higher frequencies.
6.1
Remote sensing operation
In case the load is located far from the regulator, it is recommended to comply with the
scheme below. To obtain the best regulation, it is in addition essential to care about:
– The wire connecting R2 to the load end must not be crossed by the load current
(Kelvin sense).
The noise captured by the wires between the load and the chip could bring a noisy output
voltage. In case this happens, it is recommended that shielded cables are used for these
connections. The external wrap must be used for connecting the ground of the chip with the
load ground. It is also recommended to place 1 µF tantalum capacitors between output and
ground close to the device and another next to the load.
10/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Notes about Flat-16 package
7
Notes about Flat-16 package
The bottom of package is metallized to allow user to directly solder the voltage regulator to
the equipment heater, in order to optimize heat removal performance.
7.1
Radiation performances
The RHFL4913F has been tested against: 300krad TID ELDERS in accordance with Mil-
1019.6, bipolar section: post radiation parameters are within datasheet pre-rad limits.
Submitted to 200MeV Iodine ions of 60.4MeV/cm2/mg LET up to 1exp(+7) ions / cm2, no
SEL event has been detected.
7.2
Die information
RHFL4913 fixed is also available in die form. Space dice are electrically tested by
STMicroelectronics in such a way that, when mounted in proper thermal and electrical
substrate, they provide full compliance with equivalent packaged product.
- Max die dimensions: 2.794 mm by 3.861 mm or 110 mils by 152 mils
- Die thickness: 357 µm +/- 50 µm
- Pad size: 184 µm by 184 µm
- Metallization: Aluminum 4% silicon alloy
- Die backside: Bare silicon
- Die backside potential: Ground
Figure 5.
Die size
(*) Die SENSE pad is active in RHFL4913 fixed die. It shall not be left unbonded. It should be bonded to VO pin.
(**) Die adjust pad is available in the die lay-out but is not electrically connected to the IC. It shall be left
unconnected during hybrid bonding.
11/19
Package mechanical data
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
8
Package mechanical data
®
In order to meet environmental requirements, ST offers these devices in ECOPACK
packages. These packages have a lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
12/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Package mechanical data
Flat-16 (MIL-STD-1835) mechanical data
mm.
Typ.
inch.
Dim.
Min.
Max.
Min.
Typ.
Max.
A
b
2.16
2.72
0.085
0.107
0.43
0.13
9.91
6.91
4.32
0.017
0.005
0.390
0.272
0.170
c
D
E
E2
E3
e
0.76
0.030
1.27
6.72
0.050
0.265
L
Q
S1
0.66
1.14
0.026
0.005
0.045
0.13
b
c
e
L
E3
16
9
E
E2
1
8
E3
L
Q
S1
A
D
7450901A
13/19
Package mechanical data
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
SMD.5 mechanical data
mm.
Typ.
inch.
Typ.
Dim.
Min.
Max.
Min.
Max.
A
A1
b
2.84
0.25
7.13
5.58
2.28
2.92
10.03
0.76
7.39
3.00
0.38
7.26
5.72
2.41
3.05
10.16
3.15
0.112
0.118
0.015
0.286
0.225
0.095
0.120
0.400
0.124
0.51
7.39
5.84
2.54
3.18
10.28
0.010
0.281
0.220
0.090
0.115
0.395
0.030
0.291
0.020
0.291
0.230
0.100
0.125
0.405
b1
b2
b3
D
D1
E
7.52
7.64
0.296
0.301
e
1.91
0.075
7386434B
14/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Package mechanical data
TO-257 mechanical data
mm.
inch.
Dim.
Min.
Typ.
Max.
Min.
Typ.
Max.
A
B
C
D
E
F
G
H
I
10.54
0.415
10.54
16.64
0.415
0.655
4.7
5.33
3.81
0.185
0.210
0.150
1.02
3.68
13.51
5.26
0.76
3.05
2.54
0.40
3.56
0.140
0.145
0.532
0.207
0.030
0.120
0.100
J
K
L
15.2
16.5
0.71
0.598
0.650
M
N
R
2.29
0.090
0.028
1.65
0.065
0117268C
15/19
Ordering information
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
9
Ordering information
Table 5.
Order codes
Flat-16
Terminal
finish
Out.
volt.
DIE
SMD.5
TO-257
Q.ty level
RHFL4913KP15-01V
RHFL4913KP15-02V
RHFL4913KP151
RHFL4913S15-03V
RHFL4913S15-04V
RHFL4913S151
RHFL4913ESY1505V
RHFL4913ESY1506V
RHFL4913ESY151
GOLD
SOLDER
GOLD
1.5 V
1.5 V
1.5 V
EM1
EM1=EM2
+48h B.I.
RHFL4913KP152
RHFL4913S152
RHFL4913ESY152
GOLD
1.5 V
L491315DIE2V
L491315DIE2S
NA
NA
1.5 V
1.5 V
2.5 V
2.5 V
2.5 V
EM1
QML-V
QML-V
EM1
RHFL4913KP25-01V
RHFL4913KP25-02V
RHFL4913KP251
RHFL4913S25-03V
RHFL4913S25-04V
RHFL4913S251
RHFL4913ESY2505V
RHFL4913ESY2506V
RHFL4913ESY251
GOLD
SOLDER
GOLD
EM1=EM2
+48h B.I.
RHFL4913KP252
RHFL4913S252
RHFL4913ESY252
GOLD
2.5 V
L491325DIE2V
L491325DIE2S
NA
NA
2.5 V
2.5 V
3.3 V
3.3 V
3.3 V
QML-V
EM1
RHFL4913KP33-01V
RHFL4913KP33-02V
RHFL4913KP331
RHFL4913S33-03V
RHFL4913S33-04V
RHFL4913S331
RHFL4913ESY3305V
RHFL4913ESY3306V
RHFL4913ESY331
GOLD
SOLDER
GOLD
QML-V
QML-V
EM1
EM1=EM2
+48h B.I.
RHFL4913KP332
RHFL4913S332
RHFL4913ESY332
GOLD
3.3 V
L491333DIE2V
L491333DIE2S
NA
NA
3.3 V
3.3 V
5.0 V
5.0 V
5.0 V
QML-V
EM1
RHFL4913KP50-01V
RHFL4913KP50-02V
RHFL4913KP501
RHFL4913S50-03V
RHFL4913S50-04V
RHFL4913S501
RHFL4913ESY5005V
RHFL4913ESY5006V
RHFL4913ESY501
GOLD
SOLDER
GOLD
QML-V
QML-V
EM1
EM1=EM2
+48h B.I.
RHFL4913KP502
RHFL4913S502
RHFL4913ESY502
GOLD
5.0 V
L491350DIE2V
L491350DIE2S
NA
NA
5.0 V
5.0 V
QML-V
EM1
16/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Ordering information
Table 6.
Part number - SMD equivalent
ST part number
SMD part number
RHFL4913KP15-02V
RHFL4913KP25-01V
RHFL4913KP25-02V
RHFL4913KP33-01V
RHFL4913KP33-02V
RHFL4913KP50-01V
RHFL4913KP50-02V
RHFL4913S25-03V
RHFL4913S25-04V
RHFL4913S33-03V
RHFL4913S33-04V
RHFL4913S50-03V
RHFL4913S50-04V
RHFL4913ESY2505V
RHFL4913ESY2506V
RHFL4913ESY3305V
RHFL4913ESY3306V
RHFL4913ESY5005V
RHFL4913ESY5006V
L491325DIE2V
5962F0253401VXC
5962F0253401VXA
5962F0253501VXC
5962F0253501VXA
5962F0253601VXC
5962F0253601VXA
5962F0253402VYC
5962F0253402VYA
5962F0253502VYC
5962F0253502VYA
5962F0253602VYC
5962F0253602VYA
5962F0253402VZC
5962F0253402VZA
5962F0253502VZC
5962F0253502VZA
5962F0253602VZC
5962F0253602VZA
5962F0253402V9A
5962F0253502V9A
5962F0253602V9A
L491333DIE2V
L491350DIE2V
Note:
3 V version is available on request.
Table 7.
Environmental characteristics
Parameter
Conditions
Value
Unit
Output voltage thermal drift
Output voltage radiation drift
-55°C to +125°C
From 0 krad to 300 krad at 0.55 rad/s
40
8
ppm/°C
ppm/krad
From 0 krad to 300 krad, Mil Std 883E Method
1019.6
Output voltage radiation drift
6
ppm/krad
17/19
Revision history
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
10
Revision history
Table 8.
Document revision history
Revision
Date
Changes
05-May-2004
28-Oct-2004
27-May-2005
4
5
6
Mistake in pin description SMD.5 on table 3.
New order codes added - tables 4 and 5.
The features, tables 4, 5 and the figures 1, 2 updated.
Modified: PD on table 1, the RthJC for TO-257 on table 2 and the tables 6 and 7,
added DIE information.
08-Jun-2005
26-Aug-2008
7
8
Added new output 1.5 V, modified: Table 4 on page 6, Table 5 on page 16 and
Table 6 on page 17.
18/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
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相关型号：
RHFL7913KPA-02Q
1.2V-9.5V ADJUSTABLE NEGATIVE LDO REGULATOR, CDFP16, ROHS COMPLIANT, HERMETIC SEALED, CERAMIC, FP-16
STMICROELECTR
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