MIC2186 Datasheet, PDF (3/16 Pages) Micrel Semiconductor – Low Voltage PWM Control IC

MIC2186
Absolute Maximum Ratings (Note 1)
Supply Voltage (V_INA, V_INP) ......................................... 15V
Digital Supply Voltage (V_DD) ........................................... 7V
SKIP Pin Voltage (V_SKIP) ................................. –0.3V to 7V
Max Duty Cycle Pin Voltage (V_HIDC) ................ –0.3V to 7V
Frequency Divider Pin Voltage (V_FREQ/2) ........ –0.3V to 7V
Sync Pin Voltage (V_SYNC) ................................ –0.3V to 7V
Comp Pin Voltage (V_COMP) .............................. –0.3V to 3V
Feedback Pin Voltage (V_FB) ............................ –0.3V to 3V
Enable Pin Voltage (V_EN/UVLO) ...................... –0.3V to 15V
Current Sense Voltage (V_CSH) ......................... –0.3V to 1V
Power Dissipation (P_D)
16 lead SOP .............................. 400mW @ T_A = 85°C
16 lead QSOP ........................... 245mW @ T_A = 85°C
Ambient Storage Temp ............................ –65°C to +150°C
ESD Rating (Note 3)
Micrel
Operating Ratings (Note 2)
Supply Voltage (V_INA, V_INP) ........................ +2.9V to +14V
Operating Ambient Temperature ......... –40°C ≤ T_A ≤ +85°C
Junction Temperature ....................... –40°C ≤ T_J ≤ +125°C
PackageThermal Resistance
θ_JA 16-lead SOP ............................................... 100°C/W
θ_JA 16-lead QSOP ............................................. 163°C/W
Electrical Characteristics
V_INA = 5V, V_INP = V_OUT = 12V, SKIP = 0V, FREQ/2 = 0V, HiDC = 3V, V_CSH = 0V, T_J = 25°C, unless otherwise specified. Bold values
indicate –40°C < T_J < +125°C.
Parameter
Condition
Min Typ Max Units
Regulation
Feedback Voltage Reference
(±1%)
1.233 1.245 1.258 V
(±2%)
1.220
1.270 V
Feedback Bias Current
3V ≤ V_INA ≤ 9V; 0mV ≤ CSH ≤ 75mV; (±3%)
1.208 1.245 1.282 V
50
nA
Output Voltage Line Regulation
Output Voltage Load Regulation
3V ≤ V_INA ≤ 9V
0mV ≤ CSH ≤ 75mV
+0.08
–1.2
%/V
%
Input & V_DD Supply
V_INA Input Current, PWM mode
V_INP Input Current, PWM mode
V_INA Input Current, SKIP mode
Shutdown Quiescent Current
Digital Supply Voltage (VDD)
Digital Supply Load Regulation
Undervoltage Lockout
Reference Output (V_REF)
Reference Voltage
V_SKIP = 0V
V_SKIP = 0V (excluding external MOSFET gate current)
V_SKIP = 5V
VEN/UVLO = 0V; (I_VINA + I_VINP)
I_L = 0
I_L = 0 to 0.5mA
V_DD upper threshold (turn on threshold)
V_DD lower threshold (turn off threshold)
(±1.5%)
0.7
mA
2.8
mA
0.6
mA
0.5
5
µA
2.82 3.0 3.18
V
0.03
V
2.9 2.75
V
2.65
V
1.226 1.245 1.264 V
(±2.5%)
1.213
1.276 V
Reference Voltage Line
Regulation
5V < VinA < 9V
2
mV
Reference Voltage Load
Regulation
0 < I_REF < 100µA
1
mV
July 2002
3
MIC2186